Sciweavers

861 search results - page 134 / 173
» Information landscapes and the analysis of search algorithms
Sort
View
132
Voted
WWW
2008
ACM
16 years 1 months ago
LocalSavvy: aggregating local points of view about news issues
The web has become an important medium for news delivery and consumption. Fresh content about a variety of topics, events, and places is constantly being created and published on ...
Jiahui Liu, Larry Birnbaum
ICML
2004
IEEE
16 years 1 months ago
Training conditional random fields via gradient tree boosting
Conditional Random Fields (CRFs; Lafferty, McCallum, & Pereira, 2001) provide a flexible and powerful model for learning to assign labels to elements of sequences in such appl...
Thomas G. Dietterich, Adam Ashenfelter, Yaroslav B...
95
Voted
CIVR
2007
Springer
15 years 6 months ago
Semantics reinforcement and fusion learning for multimedia streams
Fusion of multimedia streams for enhanced performance is a critical problem for retrieval. However, fusion performance tends to easily overfit the hillclimb set used to learn fus...
Dhiraj Joshi, Milind R. Naphade, Apostol Natsev
120
Voted
CIKM
2007
Springer
15 years 6 months ago
Opinion retrieval from blogs
Opinion retrieval is a document retrieval process, which requires documents to be retrieved and ranked according to their opinions about a query topic. A relevant document must sa...
Wei Zhang, Clement T. Yu, Weiyi Meng
118
Voted
CIKM
2011
Springer
14 years 14 days ago
Lower-bounding term frequency normalization
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
Yuanhua Lv, ChengXiang Zhai