View source: R/biblio.search.R
lbsSearchDocuments | R Documentation |
Searches for documents meeting given criteria (e.g. document titles, documents' authors identifiers, number of citations, number of pages, publication years or document types).
lbsSearchDocuments(
conn,
titles.like = NULL,
idAuthors = NULL,
citations.expr = NULL,
pages.expr = NULL,
year.expr = NULL,
documentTypes = NULL,
alternativeId = NULL,
surveyDescription = NULL
)
conn |
connection object, see |
titles.like |
character vector of SQL-LIKE patterns to match documents' titles or |
idAuthors |
numeric or integer vector with author identifiers (see column |
citations.expr |
expression determining the desired number of citations or |
pages.expr |
expression determining the desired number of pages or |
year.expr |
expression determining the desired publication year or |
documentTypes |
character vector or |
alternativeId |
character vector of documents' AlternativeIds. |
surveyDescription |
single character string or |
titles.like
is a set of search patterns in an SQL LIKE
format,
i.e. an underscore _
matches a single character and a percent sign
%
matches any set of characters. The search is case-insensitive.
The expressions passed as
parameters citations.expr
, pages.expr
, year.expr
must be acceptable by SQL WHERE clause in the form
WHERE field <expression>
, see Examples below.
Integer vector of documents' identifiers matching given criteria.
lbsGetInfoAuthors
,
lbsSearchAuthors
,
lbsGetInfoDocuments
## Not run:
conn <- dbBiblioConnect("Bibliometrics.db");
## ...
idd <- lbsSearchDocuments(conn, pages.expr=">= 400",
year.expr="BETWEEN 1970 AND 1972");
lbsGetInfoDocuments(conn, idd);
## ...
## End(Not run)
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