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» Phase-Based Information Retrieval

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IPM
1998

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Crossover Improvement for the Genetic Algorithm in Information Retrieval

13 years 10 months ago

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- Genetic algorithms (GAs) search for good solutions to a problem by operations inspired from the natural selection of living beings. Among their many uses, we can count informatio...

Dana Vrajitoru

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MTA
2010

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A computation-oriented multimedia data streams model for content-based information retrieval

13 years 8 months ago

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: Multimedia applications nowadays are becoming prevalent. In the past the relational database model was generalized to the multimedia database model. More recently the relational ...

Shi-Kuo Chang, Lei Zhao, Shenoda Guirguis, Rohit K...

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ACL
2010

142views Computational Linguistics» more ACL 2010»

A Study of Information Retrieval Weighting Schemes for Sentiment Analysis

13 years 8 months ago

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Most sentiment analysis approaches use as baseline a support vector machines (SVM) classifier with binary unigram weights. In this paper, we explore whether more sophisticated fea...

Georgios Paltoglou, Mike Thelwall

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EMNLP
2010

179views Natural Language Processing» more EMNLP 2010»

Positional Language Models for Clinical Information Retrieval

13 years 8 months ago

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The PECO framework is a knowledge representation for formulating clinical questions. Queries are decomposed into four aspects, which are Patient-Problem (P), Exposure (E), Compari...

Florian Boudin, Jian-Yun Nie, Martin Dawes

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CSL
2004
Springer

92views Automated Reasoning» more CSL 2004»

Mandarin-English Information (MEI): investigating translingual speech retrieval

13 years 10 months ago