270 search results - page 41 / 54 » Language Modeling Using PLSA-Based Topic HMM |
DEXAW
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract—Search context is a crucial factor that helps to understand a user’s information need in ad-hoc Web page retrieval. A query log of a search engine contains rich inform...
CIKM
2007
Springer
13 years 11 months ago
2007
Springer
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
SEBD
1997
13 years 9 months ago
1997
Abstract. Multidimensional databases are large collections of data, often historical, used for sophisticated analysis oriented to decision making. This activity is supported by an ...
NLE
2008
13 years 7 months ago
2008
Words in Semitic texts often consist of a concatenation of word segments, each corresponding to a Part-of-Speech (POS) category. Semitic words may be ambiguous with regard to thei...
SCESM
2006
ACM
14 years 1 months ago
2006
ACM
The notion of aspect is important as a systematic approach to the representation of cross-cutting concerns and the incremental additions of new functionalities to an existing syst...