Sciweavers

20 search results - page 2 / 4
» Empirical studies in strategies for Arabic retrieval
Sort
View
MM
2004
ACM
151views Multimedia» more  MM 2004»
13 years 9 months ago
Multimodal concept-dependent active learning for image retrieval
It has been established that active learning is effective for learning complex, subjective query concepts for image retrieval. However, active learning has been applied in a conc...
Kingshy Goh, Edward Y. Chang, Wei-Cheng Lai
IR
2010
13 years 1 months ago
Statistical query expansion for sentence retrieval and its effects on weak and strong queries
The retrieval of sentences that are relevant to a given information need is a challenging passage retrieval task. In this context, the well-known vocabulary mismatch problem arises...
David E. Losada
IR
2008
13 years 4 months ago
An analysis on document length retrieval trends in language modeling smoothing
Abstract. Document length is widely recognized as an important factor for adjusting retrieval systems. Many models tend to favor the retrieval of either short or long documents and...
David E. Losada, Leif Azzopardi
ICDE
2004
IEEE
139views Database» more  ICDE 2004»
14 years 5 months ago
Engineering a Fast Online Persistent Suffix Tree Construction
Online persistent suffix tree construction has been considered impractical due to its excessive I/O costs. However, these prior studies have not taken into account the effects of ...
Srikanta J. Bedathur, Jayant R. Haritsa
ACL
2008
13 years 5 months ago
A Re-examination of Query Expansion Using Lexical Resources
Query expansion is an effective technique to improve the performance of information retrieval systems. Although hand-crafted lexical resources, such as WordNet, could provide more...
Hui Fang