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VLDB
2007
ACM
118views Database» more  VLDB 2007»
16 years 7 months ago
Inferring XML Schema Definitions from XML Data
Although the presence of a schema enables many optimizations for operations on XML documents, recent studies have shown that many XML documents in practice either do not refer to ...
Geert Jan Bex, Frank Neven, Stijn Vansummeren
SIGMOD
2004
ACM
156views Database» more  SIGMOD 2004»
16 years 7 months ago
Tree Logical Classes for Efficient Evaluation of XQuery
XML is widely praised for its flexibility in allowing repeated and missing sub-elements. However, this flexibility makes it challenging to develop a bulk algebra, which typically ...
Stelios Paparizos, Yuqing Wu, Laks V. S. Lakshmana...
ICDE
2010
IEEE
295views Database» more  ICDE 2010»
16 years 1 months ago
K nearest neighbor queries and kNN-Joins in large relational databases (almost) for free
— Finding the k nearest neighbors (kNN) of a query point, or a set of query points (kNN-Join) are fundamental problems in many application domains. Many previous efforts to solve...
Bin Yao, Feifei Li, Piyush Kumar
IPPS
2009
IEEE
16 years 1 months ago
Using a market economy to provision compute resources across planet-wide clusters
—We present a practical, market-based solution to the resource provisioning problem in a set of heterogeneous resource clusters. We focus on provisioning rather than immediate sc...
Murray Stokely, Jim Winget, E. Keyes, C. Grimes, B...
CPAIOR
2009
Springer
16 years 1 months ago
Optimal Interdiction of Unreactive Markovian Evaders
The interdiction problem arises in a variety of areas including military logistics, infectious disease control, and counter-terrorism. In the typical formulation of network interdi...
Alexander Gutfraind, Aric A. Hagberg, Feng Pan