Sciweavers

441 search results - page 27 / 89
» Query expansion using random walk models
Sort
View
MOBIHOC
2001
ACM
14 years 9 months ago
Effects of power conservation, wireless coverage and cooperation on data dissemination among mobile devices
This paper presents 7DS, a novel peer-to-peer data sharing system. 7DS is an architecture, a set of protocols and an implementation enabling the exchange of data among peers that ...
Maria Papadopouli, Henning Schulzrinne
VLDB
2004
ACM
104views Database» more  VLDB 2004»
14 years 10 months ago
Retrieval effectiveness of an ontology-based model for information selection
Technology in the field of digital media generates huge amounts of nontextual information, audio, video, and images, along with more familiar textual information. The potential for...
Latifur Khan, Dennis McLeod, Eduard H. Hovy
SIGIR
2009
ACM
14 years 4 months ago
An improved markov random field model for supporting verbose queries
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...
Matthew Lease
WWW
2008
ACM
14 years 10 months ago
Behavioral classification on the click graph
A bipartite query-URL graph, where an edge indicates that a document was clicked for a query, is a useful construct for finding groups of related queries and URLs. Here we use thi...
Martin Szummer, Nick Craswell
FAW
2008
Springer
111views Algorithms» more  FAW 2008»
13 years 11 months ago
Efficient First-Order Model-Checking Using Short Labels
We prove that there exists an O(log(n))-labeling scheme for every first-order formula with free set variables in every class of graphs that is nicely locally cwd-decomposable, whic...
Bruno Courcelle, Cyril Gavoille, Mamadou Moustapha...