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ICDE
2005
IEEE
107views Database» more  ICDE 2005»
16 years 8 months ago
Venn Sampling: A Novel Prediction Technique for Moving Objects
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
Yufei Tao, Dimitris Papadias, Jian Zhai, Qing Li
ICDE
2002
IEEE
161views Database» more  ICDE 2002»
16 years 8 months ago
Design and Implementation of a High-Performance Distributed Web Crawler
Broad web search engines as well as many more specialized search tools rely on web crawlers to acquire large collections of pages for indexing and analysis. Such a web crawler may...
Vladislav Shkapenyuk, Torsten Suel
ICDE
2002
IEEE
102views Database» more  ICDE 2002»
16 years 8 months ago
Cost Models for Overlapping and Multi-Version B-Trees
Overlapping and multi-version techniques are two popular frameworks that transform an ephemeral index into a multiple logical-tree structure in order to support versioning databas...
Yufei Tao, Dimitris Papadias, Jun Zhang
ICDE
2001
IEEE
159views Database» more  ICDE 2001»
16 years 8 months ago
Workflow and Process Synchronization with Interaction Expressions and Graphs
Current workflow management technology does not provide adequate means for inter-workflow coordination as concurrently executing workflows are considered completely independent. W...
Christian Heinlein
VIS
2007
IEEE
117views Visualization» more  VIS 2007»
16 years 8 months ago
IStar: A Raster Representation for Scalable Image and Volume Data
Topology has been an important tool for analyzing scalar data and flow fields in visualization. In this work, we analyze the topology of multivariate image and volume data sets wit...
Joe Kniss, Warren Hunt, Kristin Potter, Pradeep...