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ISMIS
2003
Springer
15 years 4 months ago
2003
Springer
Abstract. The needs of efficient and flexible information retrieval on multistructural data stored in database and network are significantly growing. Especially, its flexibility pl...
PCM
2001
Springer
15 years 3 months ago
2001
Springer
Developing effective and efficient retrieval techniques for multimedia data is a challenging issue in building a digital library. Unlike most previously proposed retrieval approac...
CLEF
2006
Springer
15 years 3 months ago
2006
Springer
This paper reports the participation of the XLDB Group from the University of Lisbon in the CLEF 2006 ad-hoc monolingual and bilingual subtasks for Portuguese. We present our IR s...
SIGIR
2010
ACM
14 years 11 months ago
2010
ACM
In this paper we study the problem of entity retrieval for news applications and the importance of the news trail history (i.e. past related articles) to determine the relevant en...
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WSDM
2012
ACM
13 years 6 months ago
2012
ACM
This paper presents a novel opinion mining research problem, which is called Contrastive Opinion Modeling (COM). Given any query topic and a set of text collections from multiple ...