rdnb (version 0.1-5)

dnb_advanced: Search the DNB catalogue - advanced search

Description

dnb_search exposes a search in the DNB catalogue, expressed in the DNB query language.

Usage

dnb_advanced(query, limit = 10, clean = TRUE, print = FALSE)

Arguments

query

the search query, expressed in the DNB query language; single string value.

limit

number and (optional) starting point of results returned; single integer value (number of results), vector of two integer values (number of results and first result, >=1) or "all" for a complete list of results.

clean

if TRUE (the default), the results are cleaned (see below for details).

print

if TRUE the search results are printed (default is FALSE).

Value

A data.frame of results with metadata.

Details

Cleaning of results

To harmonise the results, some clutter is deleted and abbreviations frequently used in the dnb catalogue are replaced by full words. Here is a list of all replacements:

Variable	Searched	Replaced by
complete dataset	\u0098	[deleted]
complete dataset	\u009c	[deleted]
complete dataset	,,	,
complete dataset	..	.
complete dataset	;;	;
year	[string]	[numeric]
pages	S.	[deleted]
pages	Seiten	[deleted]
pages	[	[deleted]
pages	]	[deleted]
publisher	Verl.	Verlag
publisher	verl.	verlag
publisher	[	[deleted]
publisher	]	[deleted]
edition	Aufl.	Auflage
edition	aufl.	auflage
edition	Orig.	Original
edition	Ed.	Edition
edition	ed.	edition
edition	Ausg.	Ausgabe
edition	ausg.	ausgabe
edition	Nachdr.	Nachdruck
edition	Bibliogr.	Bibliografie
edition	[	[deleted]
edition	]	[deleted]
edition	[x].,	[x].
price	kart.	Kartoniert
price	Gb.	Gebunden
price	Spiralb.	Spiralbindung

Examples

# NOT RUN {
# german books titled with 'cat' (male or female), 
# excluding titles containing dogs, since the year 2001
cats <- dnb_advanced("(tit=katze OR tit=kater NOT tit=hund) AND jhr>2000 AND mat=books AND spr=ger")
# }