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VLDB
1994
ACM
148views Database» more  VLDB 1994»
13 years 9 months ago
Fast Incremental Indexing for Full-Text Information Retrieval
Full-text information retrieval systems have traditionally been designed for archival environments. They often provide little or no support for adding new documents to an existing...
Eric W. Brown, James P. Callan, W. Bruce Croft
VLDB
2008
ACM
140views Database» more  VLDB 2008»
14 years 5 months ago
Efficient temporal counting with bounded error
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
Yufei Tao, Xiaokui Xiao
VLDB
2008
ACM
178views Database» more  VLDB 2008»
14 years 5 months ago
The Bdual-Tree: indexing moving objects by space filling curves in the dual space
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
Man Lung Yiu, Yufei Tao, Nikos Mamoulis
DASFAA
2008
IEEE
116views Database» more  DASFAA 2008»
13 years 7 months ago
MBR Models for Uncertainty Regions of Moving Objects
The increase in the advanced location based services such as traffic coordination and management necessitates the need for advanced models tracking the positions of Moving Objects ...
Shayma Alkobaisi, Wan D. Bae, Seon Ho Kim, Byunggu...
DASFAA
2007
IEEE
151views Database» more  DASFAA 2007»
13 years 7 months ago
The Tornado Model: Uncertainty Model for Continuously Changing Data
To support emerging database applications that deal with continuously changing (or moving) data objects (CCDOs), such as vehicles, RFIDs, and multi-stimuli sensors, one requires an...
Byunggu Yu, Seon Ho Kim, Shayma Alkobaisi, Wan D. ...