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» Optimization and evaluation of shortest path queries
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ICDE
2010
IEEE
212views Database» more  ICDE 2010»
14 years 7 months ago
ViewJoin: Efficient View-based Evaluation of Tree Pattern Queries
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
Ding Chen, Chee-Yong Chan
INFOCOM
2010
IEEE
13 years 5 months ago
Limitations and Possibilities of Path Trading between Autonomous Systems
Abstract—When forwarding packets in the Internet, Autonomous Systems (ASes) frequently choose the shortest path in their network to the next-hop AS in the BGP path, a strategy kn...
Yuval Shavitt, Yaron Singer
STOC
2003
ACM
153views Algorithms» more  STOC 2003»
14 years 7 months ago
Sublinear geometric algorithms
We initiate an investigation of sublinear algorithms for geometric problems in two and three dimensions. We give optimal algorithms for intersection detection of convex polygons a...
Bernard Chazelle, Ding Liu, Avner Magen
WWW
2008
ACM
13 years 7 months ago
Divide, Compress and Conquer: Querying XML via Partitioned Path-Based Compressed Data Blocks
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...
Wilfred Ng, Ho Lam Lau, Aoying Zhou
ICDE
2010
IEEE
434views Database» more  ICDE 2010»
14 years 20 days ago
Route skyline queries: A multi-preference path planning approach
— In recent years, the research community introduced various methods for processing skyline queries in multidimensional databases. The skyline operator retrieves all objects bein...
Hans-Peter Kriegel, Matthias Renz, Matthias Schube...