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» Ensemble-index: a new approach to indexing large databases
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WSDM
2010
ACM
259views Data Mining» more  WSDM 2010»
14 years 5 months ago
Revisiting Globally Sorted Indexes for Efficient Document Retrieval
There has been a large amount of research on efficient document retrieval in both IR and web search areas. One important technique to improve retrieval efficiency is early termina...
Fan Zhang, Shuming Shi, Hao Yan, Ji-Rong Wen
ICDE
2006
IEEE
133views Database» more  ICDE 2006»
14 years 2 months ago
Transaction Time Support Inside a Database Engine
Transaction time databases retain and provide access to prior states of a database. An update “inserts” a new record while preserving the old version. Immortal DB builds trans...
David B. Lomet, Roger S. Barga, Mohamed F. Mokbel,...
GIS
2005
ACM
14 years 9 months ago
Improving the R*-tree with outlier handling techniques
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
Tian Xia, Donghui Zhang
KDD
2009
ACM
169views Data Mining» more  KDD 2009»
14 years 2 months ago
On burstiness-aware search for document sequences
As the number and size of large timestamped collections (e.g. sequences of digitized newspapers, periodicals, blogs) increase, the problem of efficiently indexing and searching su...
Theodoros Lappas, Benjamin Arai, Manolis Platakis,...
ICDE
2005
IEEE
157views Database» more  ICDE 2005»
14 years 9 months ago
MoDB: Database System for Synthesizing Human Motion
Enacting and capturing real motion for all potential scenarios is terribly expensive; hence, there is a great demand to synthetically generate realistic human motion. However, it ...
Timothy Edmunds, S. Muthukrishnan, Subarna Sadhukh...