Searching the icusbib dataset

Searching the icusbib dataset

icusbib is a list of RefManageR::BibEntry objects that covers all presentations, including commentary, in the first 22 ICUS conferences as provided on the ICUS website (International Conference on the Unity of the Sciences - History 2020).

This vignette will illustrate various searches.

The underlying RefManageR package

This package is built on Mathew McLean’s RefManageR package(McLean 2014), which in turn builds on (Patashnik 1988) and (Lehman et al. 2022). Mathew McLean’s excellent user manual for RefManageR is here. There is also an online reference manual. In presenting the examples below, I will try to remain consistent with these references.

Begin by loading the R library. This also loads RefManageR.

library(icus.data)

##  要求されたパッケージ RefManageR をロード中です

Structure and output styles

Let’s take a look at the first entry in icusbib.

icusbib[1]

## [1] _Moral Orientation of the Sciences_. First International Conference
## on Unified Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972)
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

RefManageR’s default output style is “numeric”.

BibOptions("bib.style")

## $bib.style
## [1] "numeric"

Biblatex Proceedings entries

To see Biblatex entries in full, we use the toBiblatex() function.

toBiblatex(icusbib[1])

## @Proceedings{ICUS01,
##   title = {Moral Orientation of the Sciences},
##   titleaddon = {First International Conference on Unified Science},
##   editora = {Ervin Laszlo and E.F. Haskell},
##   editoratype = {chairperson},
##   shorttitle = {ICUS I},
##   eventdate = {1972-11-23/1972-11-26},
##   venue = {Waldorf-Astoria Hotel},
##   organization = {Council for Unified Research and Education},
##   location = {New York, New York},
##   date = {1972},
##   url = {https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf},
##   urldate = {2023-05-01},
##   keywords = {primary, program, moonist},
## }

The original bibliographic file ICUS01.bib contained the following.

@Proceedings{ICUS01,
  title = {Moral Orientation of the Sciences},
  titleaddon = {First International Conference on Unified Science},
  editora = {Ervin Laszlo and E.F. Haskell},
  editoratype = {organizer},
  shorttitle = {ICUS I},
  eventdate = {1972-11-23/1972-11-26},
  venue = {Waldorf-Astoria Hotel},
  organization = {Council for Unified Research and Education},
  location = {New York, New York},
  date = {1972},
  url = {https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf},
  urldate = {2023-05-01},
  keywords = {primary, program, moonist},
}

icusbib uses the three entry types @Proceedings, @InProceedings and @Set. icus.date uses the key field to capture the hierarchy, tracks and sessions of ICUS conferences. For details, please see ICUS Programs: Observations and Coding (Engel 2024). In this record, ‘ICUS01’ is the key for the main entry for ICUS I.

InProceedings entries

The first entry in icusbib is a @Proceedings entry. Now take a look at an @InProceedings entry from the same conference. This is the entry in the manually prepared bibliographic files. You can view this file here.

@InProceedings{ICUS01:C01:G01:S01,
crossref={ICUS01},
author={Camilo Dagum},
title={The Impact of Unified Science on Economics}
}

toBiblatex() outputs the following. This shows that RefManageR folds the content of icusbib[1] into this entry based on the value of crossref. This operation occurs when the file is read when building the data package and is NOT dynamic. In other words, changes to the @Proceedings entry in icusbib[1] will not propagate to its downstream crossref entries.

Searches are on these combined entries. It should be evident that changing keys will corrupt the dataset.

toBiblatex(icusbib[4])

## @InProceedings{ICUS01:C01:G01:S01,
##   crossref = {ICUS01},
##   author = {Camilo Dagum},
##   title = {The Impact of Unified Science on Economics},
##   editora = {Ervin Laszlo and E.F. Haskell},
##   editoratype = {chairperson},
##   shorttitle = {ICUS I},
##   eventdate = {1972-11-23/1972-11-26},
##   venue = {Waldorf-Astoria Hotel},
##   organization = {Council for Unified Research and Education},
##   location = {New York, New York},
##   date = {1972},
##   url = {https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf},
##   urldate = {2023-05-01},
##   keywords = {primary, program, moonist},
##   booktitle = {Moral Orientation of the Sciences},
##   booktitleaddon = {First International Conference on Unified Science},
## }

Set entries: unorthodox usage in order to capture hierarchies and groups

ICUS conferences were multitracked with various interest areas and groups. Biblatex’s (Lehman et al. 2022) crossref field only provides for one parent, and in this application that is the Proceedings entry for each conference. In order to capture the intermediate levels and ferret out various interest groups, I extended the Set entry at two levels.

There is redundancy in this workaround so bear with me.

The first extension is an added pattern field, which is a regular expression that enables the entryset value to be computed when the dataset is built. one redundancy here is that the key values in this application reflect the hierarchy and are sufficient. A pattertype field allows for other yet to be implemented schemes for determining the entry set.

A level field specifies the level in the hierarchy and will be used for ‘’birds-of-a-feather’’ searches. setype specifies the kind of set and the title field accommodates a specific title if there was one in the program brochure.

The editorc is for chairpersons or moderators. It is a person object that is searchable using RefManageR’s SearchBib() function and +.BibEntry operator.

Currently, the available styles only output the Set bibtype and key. There is also no built-in referencing so this must be added ad-hoc.

s <- icusbib[bibtype = "Set", key = "ICUS03"][1:2]
s

## Set: ICUS03:C01
## 
## Set: ICUS03:C01:G01

toBiblatex(s)

## @Set{ICUS03:C01,
##   entryset = {ICUS03:C01:G01:S01},
##   pattern = {ICUS03:C01:G\d\d:[S|X]},
##   patterntype = {key},
##   level = {2},
##   settype = {Committee},
##   title = {Quality of life: physical, mental and spiritual aspects},
## }
## 
## @Set{ICUS03:C01:G01,
##   entryset = {ICUS03:C01:G01:S01},
##   pattern = {ICUS03:C01:G01:[S|X]},
##   patterntype = {key},
##   settype = {Session},
##   title = {Session 1},
##   level = {3},
##   editorctype = {organizer},
##   editorc = {S. L. Cook},
## }

Bibliographic styles

Possible values for bib.style are “numeric” (default), “authoryear”, “authortitle”, “alphabetic”, “draft”. (See RefManageR on CRAN for details.) These styles are illustrated below.

Numeric (default)

icusbib[4]

## [1] C. Dagum. "The Impact of Unified Science on Economics". In: _Moral
## Orientation of the Sciences_. First International Conference on Unified
## Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

authoryear

oldstyle <- BibOptions(bib.style = "authoryear")
icusbib[4]

## Dagum, C. (1972). "The Impact of Unified Science on Economics". In:
## _Moral Orientation of the Sciences_. First International Conference on
## Unified Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 5. 01, 2023).

authortitle

BibOptions(bib.style = "authortitle")
icusbib[4]

## Dagum, C. "The Impact of Unified Science on Economics". In: _Moral
## Orientation of the Sciences_. First International Conference on Unified
## Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

alphabetic

BibOptions(bib.style = "alphabetic")
icusbib[4]

## [Dag72] C. Dagum. "The Impact of Unified Science on Economics". In:
## _Moral Orientation of the Sciences_. First International Conference on
## Unified Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

draft

BibOptions(bib.style = "draft")
icusbib[4]

## *ICUS01:C01:G01:S01* C. Dagum. "The Impact of Unified Science on
## Economics". In: _Moral Orientation of the Sciences_. First
## International Conference on Unified Science. (Waldorf-Astoria Hotel,
## 11. 23, 1972-11. 26, 1972). chairpersonE. Laszlo and E. Haskell.
## Council for Unified Research and Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

BibOptions(oldstyle)

Using print()

The bibliographic style can also be selected in print so that you do not to change the global option just for one output.

print(icusbib[4], .opts = list(bib.style = "draft"))

## *ICUS01:C01:G01:S01* C. Dagum. "The Impact of Unified Science on
## Economics". In: _Moral Orientation of the Sciences_. First
## International Conference on Unified Science. (Waldorf-Astoria Hotel,
## 11. 23, 1972-11. 26, 1972). chairpersonE. Laszlo and E. Haskell.
## Council for Unified Research and Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

Now let’s take a look at the structure of this BibEntry below. Because this is an InProceedings entry with a crossref to a corresponding Proceedings entry, this BibEntry is a combination of the two. Note that the title and titleaddon fields from the Proceedings entry have been assigned to booktitle and booktitleaddon fields to avoid conflict.

str(icusbib[4])

## Classes 'BibEntry', 'bibentry'  hidden list of 1
##  $ :List of 16
##   ..$ crossref      : chr "ICUS01"
##   ..$ author        :Class 'person'  hidden list of 1
##   .. ..$ :List of 5
##   .. .. ..$ given  : chr "Camilo"
##   .. .. ..$ family : chr "Dagum"
##   .. .. ..$ role   : NULL
##   .. .. ..$ email  : NULL
##   .. .. ..$ comment: NULL
##   ..$ title         : chr "The Impact of Unified Science on Economics"
##   ..$ editora       :List of 2
##   .. ..$ :Class 'person'  hidden list of 1
##   .. .. ..$ :List of 5
##   .. .. .. ..$ given  : chr "Ervin"
##   .. .. .. ..$ family : chr "Laszlo"
##   .. .. .. ..$ role   : NULL
##   .. .. .. ..$ email  : NULL
##   .. .. .. ..$ comment: NULL
##   .. ..$ :Class 'person'  hidden list of 1
##   .. .. ..$ :List of 5
##   .. .. .. ..$ given  : chr "E.F."
##   .. .. .. ..$ family : chr "Haskell"
##   .. .. .. ..$ role   : NULL
##   .. .. .. ..$ email  : NULL
##   .. .. .. ..$ comment: NULL
##   .. ..- attr(*, "class")= chr "person"
##   ..$ editoratype   : chr "chairperson"
##   ..$ shorttitle    : chr "ICUS I"
##   ..$ eventdate     : chr "1972-11-23/1972-11-26"
##   ..$ venue         : chr "Waldorf-Astoria Hotel"
##   ..$ organization  : chr "Council for Unified Research and Education"
##   ..$ location      : chr "New York, New York"
##   ..$ date          : chr "1972"
##   ..$ url           : chr "https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf"
##   ..$ urldate       : chr "2023-05-01"
##   ..$ keywords      : chr "primary, program, moonist"
##   ..$ booktitle     : chr "Moral Orientation of the Sciences"
##   ..$ booktitleaddon: chr "First International Conference on Unified Science"
##   ..- attr(*, "bibtype")= chr "InProceedings"
##   ..- attr(*, "key")= chr "ICUS01:C01:G01:S01"
##   ..- attr(*, "dateobj")= POSIXct[1:1], format: "1972-01-01"

Search

Searchable fields

Most of the 14 fields and 3 attributes in this structure can be searched. Here I search the title with two equivalent syntaxes.

icusbib[title = "Economics"][key = "ICUS01"]

## [1] C. Dagum. "The Impact of Unified Science on Economics". In: _Moral
## Orientation of the Sciences_. First International Conference on Unified
## Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

icusbib[title = "Economics", key = "ICUS01"]

## [1] C. Dagum. "The Impact of Unified Science on Economics". In: _Moral
## Orientation of the Sciences_. First International Conference on Unified
## Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

This is a Boolean AND search that can be read as (title = “Economics” AND key = “ICUS01”). The top syntax says, “Search on the title, then search those results on the key.” The bottom syntax is from McLean’s user manual.

Of the fields imported from the Proceedings entry, booktitle cannot be searched but venue can. (In the venue search below, I have listed the first 2 entries.)

icusbib[booktitle = "International"] # from Proceedings entry

## No results.

## list()

icusbib[venue = "Waldorf"][1:2] # also from Proceedings entry

## [1] _Moral Orientation of the Sciences_. First International Conference
## on Unified Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972)
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).
## 
## [2] C. Dagum. "The Impact of Unified Science on Economics". In: _Moral
## Orientation of the Sciences_. First International Conference on Unified
## Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

The BibEntry structure has authors, commentators and other persons in util::person objects (Bengtsson 2023) that are legacy of the original bibtex (Patashnik 1988) that is included in CRAN’s core R installation (R Core Team 2023).

Searching persons

Default is regular expression search on family name

In searching person objects, the default option is to search the family name only. Searching is for matching character strings and not whole names.

icusbib[author = "Joyce"] # given name

## No results.

## list()

icusbib[author = "Oates"][1] # matching string in family name

## [1] V. T. Coates. "Technology Assessment and Public Policy". In:
## _Modern Science and Moral Values_. Second International Conference on
## the Unity of the Sciences. (Imperial Hotel, 11. 18, 1973-11. 21, 1973).
## chairpersonN. Sawada and N. Yosida. International Cultural Foundation.
## Tokyo, Japan, 1973.
## <https://icus.org/wp-content/uploads/2015/10/ICUSII-Program.pdf>
## (visited on 05/08/2023).

icusbib[author = "^Oates"][1] # At the beginning of family name

## [1] J. C. Oates. "The art of suicide". In: _The re-evaluation of
## existing values and the search for absolute values_. The Seventh
## International Conference on the Unity of the Sciences. (Sheraton-Boston
## Hotel, 11. 24, 1978-11. 26, 1978). chairpersonE. P. Wigner and J. C.
## Eccles. With a comment. by I. Soll. International Cultural Foundation.
## Boston, MA, 1978.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-VII-Program.pdf>
## (visited on 05/12/2023).

Different options enable different search results. Here I also show examples using the SearchBib function, which allows the options to be set locally for that query.

Search on ‘exact’ and ‘family.with.initials’

icusbib[author = "Dagum, Camilo"][1] # default option is "family"

## [1] C. Dagum. "The Impact of Unified Science on Economics". In: _Moral
## Orientation of the Sciences_. First International Conference on Unified
## Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

oldopts <- BibOptions(match.author = "exact")
icusbib[author = "Dagum, Camilo"][1]

## [1] C. Dagum. "The Impact of Unified Science on Economics". In: _Moral
## Orientation of the Sciences_. First International Conference on Unified
## Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

BibOptions(oldopts)

icusbib[author = "Dagum, Terry"][1] # default option is "family"

## [1] C. Dagum. "The Impact of Unified Science on Economics". In: _Moral
## Orientation of the Sciences_. First International Conference on Unified
## Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

oldopts <- BibOptions(match.author = "exact")
icusbib[author = "Dagum, Terry"][1]

## No results.

## [[1]]
## NULL

BibOptions(oldopts)

SearchBib(icusbib, author = "Dagum", .opts = list(match.author = "family"))[1]

## [1] C. Dagum. "The Impact of Unified Science on Economics". In: _Moral
## Orientation of the Sciences_. First International Conference on Unified
## Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

SearchBib(icusbib, author = "Camilo", .opts = list(match.author = "given"))[1]

## No results.

## [[1]]
## NULL

SearchBib(icusbib, author = "Dagum, C.",
  .opts = list(match.author = "family.with.initials"))[1]

## [1] C. Dagum. "The Impact of Unified Science on Economics". In: _Moral
## Orientation of the Sciences_. First International Conference on Unified
## Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

SearchBib(icusbib, author = "Dagum, Camilo",
  .opts = list(match.author = "family.with.initials"))[1]

## [1] C. Dagum. "The Impact of Unified Science on Economics". In: _Moral
## Orientation of the Sciences_. First International Conference on Unified
## Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

SearchBib(icusbib, author = "Dagum, Camilo",
  .opts = list(match.author = "exact"))[1]

## [1] C. Dagum. "The Impact of Unified Science on Economics". In: _Moral
## Orientation of the Sciences_. First International Conference on Unified
## Science. (Waldorf-Astoria Hotel, 11. 23, 1972-11. 26, 1972).
## chairpersonE. Laszlo and E. Haskell. Council for Unified Research and
## Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

icusbib[author = "Dagum, Camilo", .opts = list(match.author = "exact")][1]

## No results.

## [[1]]
## NULL

Dates

The default for searching dates is to search only by year (‘’year.only’‘). Searching more precisely requires changing the match.date option to’‘exact’’. Date ranges are specified with a forward slash. The exclamation point is the NOT operator.

icusbib[author = "delgado", date = "1979"]

## [1] J. M. R. Delgado. "Transmaterial values within the brain". In: _The
## responsibility of the academic community in the search for absolute
## values_. The Eighth International Conference on the Unity of the
## Sciences. (Century Plaza Hotel, 11. 22, 1979-11. 25, 1979).
## chairpersonE. P. Wigner and J. C. Eccles. With a comment. by S. L.
## Palay. International Cultural Foundation. Los Angeles, CA, 1979.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-VIII-Program.pdf>
## (visited on 05/12/2023).

icusbib[author = "delgado", date = "1979/1984"]

## [1] J. M. R. Delgado. "Biological bases on reality and imaginary". In:
## _Absolute Values and the New Cultural Revolution_. Thirteenth
## International Conference on the Unity of the Sciences. (J.W. Marriott
## Hotel, 9. 02, 1984-9. 05, 1984). chairpersonK. Mellanby, A. King and C.
## A. Villee Jr.. International Cultural Foundation. Washington, DC, USA,
## 1984.
## <https://icus.org/wp-content/uploads/2016/03/ICUS-XVIII-Program.pdf>
## (visited on 05/12/2023).
## 
## [2] J. M. R. Delgado. "Transmaterial values within the brain". In: _The
## responsibility of the academic community in the search for absolute
## values_. The Eighth International Conference on the Unity of the
## Sciences. (Century Plaza Hotel, 11. 22, 1979-11. 25, 1979).
## chairpersonE. P. Wigner and J. C. Eccles. With a comment. by S. L.
## Palay. International Cultural Foundation. Los Angeles, CA, 1979.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-VIII-Program.pdf>
## (visited on 05/12/2023).

icusbib[author = "delgado", date = "!1979/1984"] # not in this range

## [1] J. M. R. Delgado. "Forms, symbols and the structure of the brain".
## In: _Absolute Values and the New Cultural Revolution_. Fourteenth
## International Conference on the Unity of the Sciences. (Hotel
## Intercontinental, 11. 28, 1985-12. 01, 1985). chairpersonK. Mellanby,
## T. R. Gerholm and A. King. International Cultural Foundation. Houston,
## TX, USA, 1985.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XIV-Program.pdf>
## (visited on 05/12/2023).
## 
## [2] J. M. R. Delgado. "Neurobiological factors in the development of
## personhood". In: _Absolute Values and the Reassessment of the
## Contemporary World_. Sixteenth International Conference on the Unity of
## the Sciences. (Stouffer Waverly Hotel, 11. 26, 1987-11. 29, 1987).
## chairpersonA. M. Weinberg, T. R. Gerholm and N. Fukuda. With a comment.
## by L. Rakic. International Cultural Foundation. Washington, DC, USA,
## 1987.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XVI-Program.pdf>
## (visited on 05/12/2023).
## 
## [3] J. M. R. Delgado. "Neurobiology of global ideology and values". In:
## _Absolute Values and the Reassessment of the Contemporary World_.
## Seventeenth International Conference on the Unity of the Sciences.
## (Stouffer Concourse Hotel, 11. 24, 1988-11. 27, 1988). chairpersonA. M.
## Weinberg, M. Higatsberger and V. Cappelletti. International Cultural
## Foundation. Los Angeles, CA, USA, 1988.
## <https://icus.org/wp-content/uploads/2016/03/ICUS-XVII-Program.pdf>
## (visited on 05/12/2023).
## 
## [4] J. M. R. Delgado. "Psychobiology of space and time". In: _Absolute
## Values and the New Cultural Revolution_. Fifteenth International
## Conference on the Unity of the Sciences. (J.W. Marriott Hotel, 11. 27,
## 1986-11. 30, 1986). chairpersonK. Mellanby, A. M. Weinberg and A. King.
## International Cultural Foundation. Washington, DC, USA, 1986.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XV-Program.pdf>
## (visited on 05/12/2023).
## 
## [5] R. Rodriguez-Delgado. "New systems of values and ideologies: a
## general systems approach to find a framework for the future". In:
## _Absolute Values and the Reassessment of the Contemporary World_.
## Seventeenth International Conference on the Unity of the Sciences.
## (Stouffer Concourse Hotel, 11. 24, 1988-11. 27, 1988). chairpersonA. M.
## Weinberg, M. Higatsberger and V. Cappelletti. International Cultural
## Foundation. Los Angeles, CA, USA, 1988.
## <https://icus.org/wp-content/uploads/2016/03/ICUS-XVII-Program.pdf>
## (visited on 05/12/2023).

icusbib[author = "delgado", date = "1987/"]

## [1] J. M. R. Delgado. "Neurobiological factors in the development of
## personhood". In: _Absolute Values and the Reassessment of the
## Contemporary World_. Sixteenth International Conference on the Unity of
## the Sciences. (Stouffer Waverly Hotel, 11. 26, 1987-11. 29, 1987).
## chairpersonA. M. Weinberg, T. R. Gerholm and N. Fukuda. With a comment.
## by L. Rakic. International Cultural Foundation. Washington, DC, USA,
## 1987.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XVI-Program.pdf>
## (visited on 05/12/2023).
## 
## [2] J. M. R. Delgado. "Neurobiology of global ideology and values". In:
## _Absolute Values and the Reassessment of the Contemporary World_.
## Seventeenth International Conference on the Unity of the Sciences.
## (Stouffer Concourse Hotel, 11. 24, 1988-11. 27, 1988). chairpersonA. M.
## Weinberg, M. Higatsberger and V. Cappelletti. International Cultural
## Foundation. Los Angeles, CA, USA, 1988.
## <https://icus.org/wp-content/uploads/2016/03/ICUS-XVII-Program.pdf>
## (visited on 05/12/2023).
## 
## [3] R. Rodriguez-Delgado. "New systems of values and ideologies: a
## general systems approach to find a framework for the future". In:
## _Absolute Values and the Reassessment of the Contemporary World_.
## Seventeenth International Conference on the Unity of the Sciences.
## (Stouffer Concourse Hotel, 11. 24, 1988-11. 27, 1988). chairpersonA. M.
## Weinberg, M. Higatsberger and V. Cappelletti. International Cultural
## Foundation. Los Angeles, CA, USA, 1988.
## <https://icus.org/wp-content/uploads/2016/03/ICUS-XVII-Program.pdf>
## (visited on 05/12/2023).

icusbib[author = "delgado", date = "/1985"]

## [1] J. M. R. Delgado. "Biological bases on reality and imaginary". In:
## _Absolute Values and the New Cultural Revolution_. Thirteenth
## International Conference on the Unity of the Sciences. (J.W. Marriott
## Hotel, 9. 02, 1984-9. 05, 1984). chairpersonK. Mellanby, A. King and C.
## A. Villee Jr.. International Cultural Foundation. Washington, DC, USA,
## 1984.
## <https://icus.org/wp-content/uploads/2016/03/ICUS-XVIII-Program.pdf>
## (visited on 05/12/2023).
## 
## [2] J. M. R. Delgado. "Forms, symbols and the structure of the brain".
## In: _Absolute Values and the New Cultural Revolution_. Fourteenth
## International Conference on the Unity of the Sciences. (Hotel
## Intercontinental, 11. 28, 1985-12. 01, 1985). chairpersonK. Mellanby,
## T. R. Gerholm and A. King. International Cultural Foundation. Houston,
## TX, USA, 1985.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XIV-Program.pdf>
## (visited on 05/12/2023).
## 
## [3] J. M. R. Delgado. "Transmaterial values within the brain". In: _The
## responsibility of the academic community in the search for absolute
## values_. The Eighth International Conference on the Unity of the
## Sciences. (Century Plaza Hotel, 11. 22, 1979-11. 25, 1979).
## chairpersonE. P. Wigner and J. C. Eccles. With a comment. by S. L.
## Palay. International Cultural Foundation. Los Angeles, CA, 1979.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-VIII-Program.pdf>
## (visited on 05/12/2023).

Boolean OR in search (merge)

RefManageR provides Boolean OR capability through

See also SearchBib() in the reference manual.

Using the +.BibEntry operator

length(icusbib[author = "Dagum"])

## [1] 4

length(icusbib[commentator = "Dagum"])

## [1] 1

sr <- icusbib[author = "Dagum"] + icusbib[commentator = "Dagum"]
length(sr)

## [1] 5

Using a list of lists

icusbib[list(author = "delgado", title = "neurobiol", editora = "fukuda")]

## [1] J. M. R. Delgado. "Neurobiological factors in the development of
## personhood". In: _Absolute Values and the Reassessment of the
## Contemporary World_. Sixteenth International Conference on the Unity of
## the Sciences. (Stouffer Waverly Hotel, 11. 26, 1987-11. 29, 1987).
## chairpersonA. M. Weinberg, T. R. Gerholm and N. Fukuda. With a comment.
## by L. Rakic. International Cultural Foundation. Washington, DC, USA,
## 1987.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XVI-Program.pdf>
## (visited on 05/12/2023).

icusbib[list(author = "delgado", title = "psychobiol", editora = "mellanby")]

## [1] J. M. R. Delgado. "Psychobiology of space and time". In: _Absolute
## Values and the New Cultural Revolution_. Fifteenth International
## Conference on the Unity of the Sciences. (J.W. Marriott Hotel, 11. 27,
## 1986-11. 30, 1986). chairpersonK. Mellanby, A. M. Weinberg and A. King.
## International Cultural Foundation. Washington, DC, USA, 1986.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XV-Program.pdf>
## (visited on 05/12/2023).

icusbib[list(author = "delgado", title = "neurobiol", editora = "fukuda"),
          list(author = "delgado", title = "psychobiol", editora = "mellanby")]

## [1] J. M. R. Delgado. "Neurobiological factors in the development of
## personhood". In: _Absolute Values and the Reassessment of the
## Contemporary World_. Sixteenth International Conference on the Unity of
## the Sciences. (Stouffer Waverly Hotel, 11. 26, 1987-11. 29, 1987).
## chairpersonA. M. Weinberg, T. R. Gerholm and N. Fukuda. With a comment.
## by L. Rakic. International Cultural Foundation. Washington, DC, USA,
## 1987.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XVI-Program.pdf>
## (visited on 05/12/2023).
## 
## [2] J. M. R. Delgado. "Psychobiology of space and time". In: _Absolute
## Values and the New Cultural Revolution_. Fifteenth International
## Conference on the Unity of the Sciences. (J.W. Marriott Hotel, 11. 27,
## 1986-11. 30, 1986). chairpersonK. Mellanby, A. M. Weinberg and A. King.
## International Cultural Foundation. Washington, DC, USA, 1986.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XV-Program.pdf>
## (visited on 05/12/2023).

The following examples have the grammar: AUTHOR AND (TITLE1 OR TITLE2) AND CHAIRPERSON.

icusbib[author = "delgado"][list(title = "psychobiol"),list(title = "neurobiol")][editora = "weinberg"]

## [1] J. M. R. Delgado. "Neurobiological factors in the development of
## personhood". In: _Absolute Values and the Reassessment of the
## Contemporary World_. Sixteenth International Conference on the Unity of
## the Sciences. (Stouffer Waverly Hotel, 11. 26, 1987-11. 29, 1987).
## chairpersonA. M. Weinberg, T. R. Gerholm and N. Fukuda. With a comment.
## by L. Rakic. International Cultural Foundation. Washington, DC, USA,
## 1987.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XVI-Program.pdf>
## (visited on 05/12/2023).
## 
## [2] J. M. R. Delgado. "Neurobiology of global ideology and values". In:
## _Absolute Values and the Reassessment of the Contemporary World_.
## Seventeenth International Conference on the Unity of the Sciences.
## (Stouffer Concourse Hotel, 11. 24, 1988-11. 27, 1988). chairpersonA. M.
## Weinberg, M. Higatsberger and V. Cappelletti. International Cultural
## Foundation. Los Angeles, CA, USA, 1988.
## <https://icus.org/wp-content/uploads/2016/03/ICUS-XVII-Program.pdf>
## (visited on 05/12/2023).
## 
## [3] J. M. R. Delgado. "Psychobiology of space and time". In: _Absolute
## Values and the New Cultural Revolution_. Fifteenth International
## Conference on the Unity of the Sciences. (J.W. Marriott Hotel, 11. 27,
## 1986-11. 30, 1986). chairpersonK. Mellanby, A. M. Weinberg and A. King.
## International Cultural Foundation. Washington, DC, USA, 1986.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XV-Program.pdf>
## (visited on 05/12/2023).

icusbib[author = "delgado"][list(title = "psychobiol"),list(title = "neurobiol")][editora = "king"]

## [1] J. M. R. Delgado. "Psychobiology of space and time". In: _Absolute
## Values and the New Cultural Revolution_. Fifteenth International
## Conference on the Unity of the Sciences. (J.W. Marriott Hotel, 11. 27,
## 1986-11. 30, 1986). chairpersonK. Mellanby, A. M. Weinberg and A. King.
## International Cultural Foundation. Washington, DC, USA, 1986.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XV-Program.pdf>
## (visited on 05/12/2023).

icusbib[author = "delgado"][list(title = "psychobiol"),list(title = "neurobiol")][editora = "fukuda"]

## [1] J. M. R. Delgado. "Neurobiological factors in the development of
## personhood". In: _Absolute Values and the Reassessment of the
## Contemporary World_. Sixteenth International Conference on the Unity of
## the Sciences. (Stouffer Waverly Hotel, 11. 26, 1987-11. 29, 1987).
## chairpersonA. M. Weinberg, T. R. Gerholm and N. Fukuda. With a comment.
## by L. Rakic. International Cultural Foundation. Washington, DC, USA,
## 1987.
## <https://icus.org/wp-content/uploads/2016/02/ICUS-XVI-Program.pdf>
## (visited on 05/12/2023).

Searches on keys are also regular expression matches.

oldopts <- BibOptions(bib.style = "draft") # Draft style shows keys
icusbib[key = "ICUS01:C01:G01:S01"]

## *ICUS01:C01:G01:S01* C. Dagum. "The Impact of Unified Science on
## Economics". In: _Moral Orientation of the Sciences_. First
## International Conference on Unified Science. (Waldorf-Astoria Hotel,
## 11. 23, 1972-11. 26, 1972). chairpersonE. Laszlo and E. Haskell.
## Council for Unified Research and Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

icusbib[key = "ICUS01:C01:G01"][1:2]

## Set: ICUS01:C01:G01
## 
## *ICUS01:C01:G01:S01* C. Dagum. "The Impact of Unified Science on
## Economics". In: _Moral Orientation of the Sciences_. First
## International Conference on Unified Science. (Waldorf-Astoria Hotel,
## 11. 23, 1972-11. 26, 1972). chairpersonE. Laszlo and E. Haskell.
## Council for Unified Research and Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).

icusbib[key = "ICUS01:C01:G01$"] # $ matches end of line

## Set: ICUS01:C01:G01

icusbib[key = "C01:G01:S01"][1:2]

## *ICUS01:C01:G01:S01* C. Dagum. "The Impact of Unified Science on
## Economics". In: _Moral Orientation of the Sciences_. First
## International Conference on Unified Science. (Waldorf-Astoria Hotel,
## 11. 23, 1972-11. 26, 1972). chairpersonE. Laszlo and E. Haskell.
## Council for Unified Research and Education. New York, New York, 1972.
## <https://icus.org/wp-content/uploads/2016/03/1st-ICUS-New-York-City-1972.pdf>
## (visited on 05/01/2023).
## 
## *ICUS02:C01:G01:S01* Y. Bar-Hillel. "Unity of Science - 1973". In:
## _Modern Science and Moral Values_. Second International Conference on
## the Unity of the Sciences. (Imperial Hotel, 11. 18, 1973-11. 21, 1973).
## chairpersonN. Sawada and N. Yosida. International Cultural Foundation.
## Tokyo, Japan, 1973.
## <https://icus.org/wp-content/uploads/2015/10/ICUSII-Program.pdf>
## (visited on 05/08/2023).

icusbib[key = "^C01:G01:S01"][1:2] # ^ matches beginning of line

## No results.

## [[1]]
## NULL
## 
## [[2]]
## NULL

BibOptions(oldopts)

References

Bengtsson, Henrik. 2023. R.utils: Various Programming Utilities. https://henrikbengtsson.github.io/R.utils/.

Engel, Alan. 2024. “Moonism and Science.” OSF. https://doi.org/10.17605/OSF.IO/S2PTW.

International Conference on the Unity of the Sciences - History. 2020. ICUS. https://icus.org/about-2/history/.

Lehman, Philipp, Philip Kime, Audrey Boruvka, and Joseph Wright. 2022. “The biblatex Package.” https://mirrors.ibiblio.org/CTAN/macros/latex/contrib/biblatex/doc/biblatex.pdf.

McLean, Mathew W. 2014. “Straightforward Bibliography Management in R Using the RefManageR Package.” https://arxiv.org/abs/1403.2036.

Patashnik, Oren. 1988. “Bibtexing.” http://bibtexml.sourceforge.net/btxdoc.pdf.

R Core Team. 2023. R: A Language and Environment for Statistical Computing. Vienna, Austria: R Foundation for Statistical Computing. https://www.R-project.org/.