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» Selectivity Estimation for Spatial Joins
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EDBT
2009
ACM
160views Database» more  EDBT 2009»
14 years 15 days ago
Estimating aggregates in time-constrained approximate queries in Oracle
The concept of time-constrained SQL queries was introduced to address the problem of long-running SQL queries. A key approach adopted for supporting time-constrained SQL queries i...
Ying Hu, Seema Sundara, Jagannathan Srinivasan
ICDE
2010
IEEE
262views Database» more  ICDE 2010»
14 years 7 months ago
Approximate String Search in Spatial Databases
Abstract-- This work presents a novel index structure, MHRtree, for efficiently answering approximate string match queries in large spatial databases. The MHR-tree is based on the ...
Bin Yao, Feifei Li, Marios Hadjieleftheriou, Kun H...
APWEB
2005
Springer
14 years 1 months ago
Summarizing Spatial Relations - A Hybrid Histogram
Summarizing topological relations is fundamental to many spatial applications including spatial query optimization. In this paper, we examine the selectivity estimation for range w...
Qing Liu, Xuemin Lin, Yidong Yuan
ICMCS
2008
IEEE
191views Multimedia» more  ICMCS 2008»
14 years 2 months ago
Hybrid spatial and temporal error concealment for distributed video coding
Distributed Video Coding (DVC) is based on a new paradigm in coding, which has received many interests recently. This paper proposes a hybrid spatial and temporal error concealmen...
Shuiming Ye, Mourad Ouaret, Frédéric...
DASFAA
2004
IEEE
158views Database» more  DASFAA 2004»
13 years 11 months ago
A Cost Model for Spatial Intersection Queries on RI-Trees
Abstract. The efficient management of interval sequences represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tr...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...