Sciweavers

641 search results - page 127 / 129
» Studying Query Expansion Effectiveness
Sort
View
92
Voted
IR
2006
14 years 11 months ago
Hierarchical clustering of a Finnish newspaper article collection with graded relevance assessments
Search facilitated with agglomerative hierarchical clustering methods was studied in a collection of Finnish newspaper articles (N = 53,893). To allow quick experiments, clustering...
Tuomo Korenius, Jorma Laurikkala, Martti Juhola, K...
JPDC
2006
133views more  JPDC 2006»
14 years 11 months ago
Locality in structured peer-to-peer networks
Distributed hash tables (DHTs), used in a number of structured peer-to-peer (P2P) systems provide efficient mechanisms for resource placement and location. A key distinguishing fe...
Ronaldo A. Ferreira, Suresh Jagannathan, Ananth Gr...
SIGIR
2008
ACM
14 years 11 months ago
Learning to reduce the semantic gap in web image retrieval and annotation
We study in this paper the problem of bridging the semantic gap between low-level image features and high-level semantic concepts, which is the key hindrance in content-based imag...
Changhu Wang, Lei Zhang 0001, Hong-Jiang Zhang
SIGIR
2008
ACM
14 years 11 months ago
Asymmetric distance estimation with sketches for similarity search in high-dimensional spaces
Efficient similarity search in high-dimensional spaces is important to content-based retrieval systems. Recent studies have shown that sketches can effectively approximate L1 dist...
Wei Dong, Moses Charikar, Kai Li
BMCBI
2005
123views more  BMCBI 2005»
14 years 11 months ago
PSI-BLAST-ISS: an intermediate sequence search tool for estimation of the position-specific alignment reliability
Background: Protein sequence alignments have become indispensable for virtually any evolutionary, structural or functional study involving proteins. Modern sequence search and com...
Mindaugas Margelevicius, Ceslovas Venclovas