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CIKM
2009
Springer
14 years 3 months ago
The effect of negation on sentiment analysis and retrieval effectiveness
We investigate the problem of determining the polarity of sentiments when one or more occurrences of a negation term such as “not” appear in a sentence. The concept of the sco...
Lifeng Jia, Clement T. Yu, Weiyi Meng
IAT
2005
IEEE
14 years 2 months ago
Category-based Similarity Algorithm for Semantic Similarity in Multi-agent Information Sharing Systems
Similarity measures are mechanisms that assign a numeric score indicating how closely two documents, or a document and a query match. The Cosine measure is one of the similarity m...
Sepideh Miralaei, Ali A. Ghorbani
SIGIR
2002
ACM
13 years 8 months ago
Video retrieval using an MPEG-7 based inference network
This work proposes a model for video retrieval based upon the inference network model. The document network is constructed using video metadata encoded using MPEG-7 and captures i...
Andrew Graves, Mounia Lalmas
ICIP
2006
IEEE
14 years 10 months ago
CBIR in Distributed Databases using a Multi-Agent System
Information retrieval techniques have to face both the growing amount of data to be processed and the "natural" distribution of these data over the network. Hence, we in...
David Picard, Matthieu Cord, Arnaud Revel
JCDL
2005
ACM
86views Education» more  JCDL 2005»
14 years 2 months ago
From playful exhibits to LOM: lessons from building an exploratorium digital library
The Exploratorium, an interactive hand-on science museum, is developing an online collection of science learning and teaching resources to better serve educators’ needs for peda...
Holly Fait, Sherry Hsi