Results 211 to 220 of about 4,862 (261)
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Merging thesauri: principles and evaluation
IEEE Transactions on Pattern Analysis and Machine Intelligence, 1988An investigation is reported of ways to take advantage of the semantics in thesauri to improve: (1) indexing by providing descriptions of documents as sets of terms from the thesaurus; and (2) retrieval by assessing the relevance of documents to a query. Thesauri need to be updated to account for the evolution of the field they cover.
Hafedh Mili, Roy Rada
exaly +2 more sources
A method for monolingual thesauri merging
ACM SIGIR Forum, 1997 Thesauri merging is the activity of consolidating a set of thesauri into a thesaurus which accommodates the vocabularies and the structure of all thesauri being merged. In this paper, we introduce a general framework for monolingual thesauri merging.
Marios Sintichakis +1 more
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2017
In recent years, text analysis has become increasingly heated in many fields. And now, majority methods of text analysis are using Word2vec, Naive Bayes or so on to classify the large number of texts. But for the text itself, not all samples are useful for some high-requirement researches and only use one keywords to get the related sample is ...
Fu Chen +4 more
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In recent years, text analysis has become increasingly heated in many fields. And now, majority methods of text analysis are using Word2vec, Naive Bayes or so on to classify the large number of texts. But for the text itself, not all samples are useful for some high-requirement researches and only use one keywords to get the related sample is ...
Fu Chen +4 more
openaire +1 more source
Aslib Proceedings, 1971
The first point that I would like to make about the differences between a structured and unstructured vocabulary is that the question is very much related to vocabulary size and this has certainly in the past generated a good deal of controversy in Aslib co‐ordinate indexing circles.
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The first point that I would like to make about the differences between a structured and unstructured vocabulary is that the question is very much related to vocabulary size and this has certainly in the past generated a good deal of controversy in Aslib co‐ordinate indexing circles.
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Augmenting thesauri for information systems
ACM Transactions on Information Systems, 1987A thesaurus can be a critical component of an office information system. Access to various sets of documents can be facilitated by thesauri and by the connections that are made among thesauri. In the projects described in this paper, the thesauri are stored and manipulated through a relational database management system.
Roy Rada, Brian K. Martin
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Effectiveness of thesauri-aided retrieval
SPIE Proceedings, 1999In this report, we describe the results of an experiment designed to measure the effects of automatic query expansion on retrieval effectiveness. In particular, we used a collection-specific thesaurus to expand the query by adding synonyms of the searched terms. Our preliminary results show no significant gain in average precision and recall.
Kazem Taghva +2 more
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Relational thesauri in information retrieval
Journal of the American Society for Information Science, 1985AbstractThis article describes the design and development of a new type of thesaurus based on lexical‐semantic relations. Relational thesauri have been constructed to perform a new type of term classification. These relational thesauri are generally applicable to any document collection and their maintenance is relatively simple.
Yih-Chen Wang +2 more
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The Environmental Thesauri of CNR EKOLab
2019This chapter aims to illustrate the activities of the Environmental Knowledge Organisation Laboratory (EKOLab) of CNR-IIA and the present status of the Environmental Thesauri developed by our group.
Sabina Di Franco +2 more
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