Sciweavers

331 search results - page 25 / 67
» A framework for selective query expansion
Sort
View
COLING
2008
13 years 9 months ago
Experiments with Reasoning for Temporal Relations between Events
Few attempts have been made to investigate the utility of temporal reasoning within machine learning frameworks for temporal relation classification between events in news articl...
Marta Tatu, Munirathnam Srikanth
SIGIR
2010
ACM
14 years 15 days ago
Positional relevance model for pseudo-relevance feedback
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...
Yuanhua Lv, ChengXiang Zhai
ISVC
2010
Springer
13 years 7 months ago
Organizing and Browsing Image Search Results Based on Conceptual and Visual Similarities
This paper presents a novel approach for searching images online using textual queries and presenting the resulting images based on both conceptual and visual similarities. Given a...
Grant Strong, Enamul Hoque, Minglun Gong, Orland H...
BIS
2011
289views Business» more  BIS 2011»
12 years 8 months ago
Advanced Resource Selection for Federated Enterprise Search
Distributed information retrieval is a well-known approach for accessing heterogeneous, highly autonomous sources of unstructured information. Selecting and querying only a number ...
Matthias Wauer, Daniel Schuster, Alexander Schill
SIGMOD
2007
ACM
181views Database» more  SIGMOD 2007»
14 years 8 months ago
Progressive and selective merge: computing top-k with ad-hoc ranking functions
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
Dong Xin, Jiawei Han, Kevin Chen-Chuan Chang