280 search results - page 2 / 56 » Query Expansion and Evolution of Topic in Information Retrie... |
ICMCS
2006
IEEE
13 years 11 months ago
2006
IEEE
In this paper, we present an integrated system for news video retrieval. The proposed system incorporates both speech and visual information in the search mechanisms. The initial ...
CLEF
2009
Springer
13 years 6 months ago
2009
Springer
In this paper we will briefly describe the approaches taken by the Cheshire (Berkeley) Group for the CLEF Adhoc-TEL 2009 tasks (Mono and Bilingual retrieval). Recognizing that man...
RIAO
2007
13 years 6 months ago
2007
The paper proposes an approach to information retrieval based on the use of a structure (ontology) both for document (resp. query) indexing and query evaluating. The conceptual st...
SIGIR
2009
ACM
13 years 11 months ago
2009
ACM
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
ECIR
2009
Springer
14 years 2 months ago
2009
Springer
We explore the utility of different types of topic models for retrieval purposes. Based on prior work, we describe several ways that topic models can be integrated into the retrie...