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» Query Expansion and Query Reduction in Document Retrieval
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WSDM
2012
ACM
309views Data Mining» more  WSDM 2012»
12 years 3 months ago
Mining contrastive opinions on political texts using cross-perspective topic model
This paper presents a novel opinion mining research problem, which is called Contrastive Opinion Modeling (COM). Given any query topic and a set of text collections from multiple ...
Yi Fang, Luo Si, Naveen Somasundaram, Zhengtao Yu
CORR
2010
Springer
130views Education» more  CORR 2010»
13 years 6 months ago
Distribution of Cognitive Load in Web Search
The search task and the system both affect the demand on cognitive resources during information search. In some situations, the demands may become too high for a person. This arti...
Jacek Gwizdka
VLDB
2004
ACM
104views Database» more  VLDB 2004»
14 years 1 months ago
Remembrance of Streams Past: Overload-Sensitive Management of Archived Streams
This paper studies Data Stream Management Systems that combine real-time data streams with historical data, and hence access incoming streams and archived data simultaneously. A s...
Sirish Chandrasekaran, Michael J. Franklin
WISE
2002
Springer
14 years 19 days ago
Database Support for Spatial Generalisation for WWW and Mobile Applications
The need of using spatial vector data for web-based and mobile applications has been increasing rapidly. Vector spatial data is difficult to generalise (that is, to derive a suita...
Xiaofang Zhou, Sham Prasher, Masaru Kitsuregawa
DATESO
2009
158views Database» more  DATESO 2009»
13 years 5 months ago
Benchmarking Coding Algorithms for the R-tree Compression
Multi-dimensional data structures have been widely applied in many data management fields. Spatial data indexing is their natural application, however there are many applications i...
Jirí Walder, Michal Krátký, R...