Evaluation of selection criteria for noun phrases with relevance for information retrieval

被引：2

作者：

do Nascimento, Gustavo Diniz ^{[1
]}

Correa, Renato Fernandes ^{[2
]}

机构：

[1] Univ Fed Campina Grande, Biblioteca Cent, Campina Grande, PB, Brazil

[2] Univ Fed Pernambuco, Ctr Artes & Comunicacao, Dept Ciencia Informacao, Av Arquitetura S-N,Campus Univ, BR-50740550 Recife, PE, Brazil

来源：

TRANSINFORMACAO | 2018年 / 30卷 / 02期

关键词：

Automatic indexing; Legal information; Information representation; Noun phrase selection; Noun phrases; DISSERTATIONS;

D O I：

10.1590/2318-08892018000200004

中图分类号：

G25 [图书馆学、图书馆事业]; G35 [情报学、情报工作];

学科分类号：

1205 ; 120501 ;

摘要：

This study assesses the criteria for selecting the most representative noun phrases from documents written in Portuguese in the field of law. The research methods were literature review and an experiment. In the experiment, ten selection criteria were applied to noun phrases extracted from a set of abstracts of theses and dissertations. The effectiveness of the criteria was assessed regarding the selection of noun phrases relevant for information retrieval. Through the experiment, the most effective criteria identified were removal of noun phrases with stopwords value or noun phrases containing pronouns, the selection criteria of noun phrases based on position of occurrence, level of the noun phrase, inverse document frequency, and document occurrence frequency.

引用

页码：179 / 192

页数：14

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