Benutzerin:JakobVoss/InformationRetrieval

Open Source Information Retrieval systems Bearbeiten

http://www.xapian.org/ - Open Source Probabilistic Information Retrieval library
http://ils.unc.edu/tera/ - TeraScale Retrieval Project's (apply IR techniques to large scale datasets)

Stemming Bearbeiten

Quellen:

CiteSeer : http://citeseer.nj.nec.com/cs

(z.Z: 2321 Dokumente zu "Stemming", 64 zu "Stemming AND spanish")

Un stemmer es un programma... de reduccion morfologica.

Komposition
Dekomposition
Flexion
Affixe: Prefix, Suffix, Infix, Circumfix

=> Sciencie experimental: invent an algorithmo and test it.

Búsqueda en Google Bearbeiten

http://ir.iit.edu/~abdur/research/conflation/conflation.html: Corpus based KSTEM and Porter

http://ir.iit.edu/~abdur/research/conflation/AIRE-Stemming-System.html: "Pickens [9] later expanded that research by examining the effects of using a combination of kstem and porter with co-occurrence information on precision/recall metrics and found a statistical improvement." (also more background)

Software Bearbeiten

Only freely availabe software, prefered GPL:

http://snowball.tartarus.org/ : Snowball es una pequeña lenguaje de programación para el manejo de strings que permite más facil implementar algoritmos de stemming. Puede genear codigo en ANSI C y Java.

http://www.xapian.org The Xapian Project: includes stemmers for many languages

http://www.tartarus.org/~martin/PorterStemmer/ Official site of porter stemmer (en). Many implementations available
Official site of the Lancaster (Paice/Husk) stemming algorithm (including bibliography)
Muscat Stemmers: open.muscat.com moved to apr smartlogic. was available for free.

SWISH-E contains stemmer(s?) too.

Artículos Bearbeiten

A. Honrado, R. Leon, R. O'Donnel, D. Sinclair: A Word Stemming Algorithm for the Spanish Language
Angel F. Zazo Rodríguez...: Term expansion using stemming and thesauri in spanish

Conferences: Bearbeiten

Text REtrieval Conference (TREC): http://trec.nist.gov/ since 1993
CLEF: Cross-Language Evaluation Forum: http://clef.iei.pi.cnr.it:2002/ since 2000?
Symposium on String Processing Information Retrieval (SPIRE): since 1994?