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» Dynamic Memory Allocation for Large Query Execution
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SIGMOD
2010
ACM
249views Database» more  SIGMOD 2010»
15 years 4 months ago
Active knowledge: dynamically enriching RDF knowledge bases by web services
The proliferation of knowledge-sharing communities and the advances in information extraction have enabled the construction of large knowledge bases using the RDF data model to re...
Nicoleta Preda, Gjergji Kasneci, Fabian M. Suchane...
DEBU
2002
116views more  DEBU 2002»
14 years 11 months ago
Indexing Mobile Objects Using Duality Transforms
We present techniques to index mobile objects in order to efficiently answer range queries about their future positions. This problem appears in real-life applications, such as pr...
Dimitris Papadopoulos, George Kollios, Dimitrios G...
133
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ICPIA
1992
15 years 3 months ago
Parallel Manipulations of Octrees and Quadtrees
Abstract. Octrees o er a powerful means for representing and manipulating 3-D objects. This paper presents an implementation of octree manipulations using a new approach on a share...
Vipin Chaudhary, K. Kamath, Prakash Arunachalam, J...
DLS
2010
204views Languages» more  DLS 2010»
14 years 9 months ago
Alias analysis for optimization of dynamic languages
Dynamic languages such as Python allow programs to be written more easily using high-level constructs such as comprehensions for queries and using generic code. Efficient executio...
Michael Gorbovitski, Yanhong A. Liu, Scott D. Stol...
COMAD
2008
15 years 1 months ago
Runtime Optimization of Continuous Queries
In data stream processing systems, Quality of Service (or QoS) requirements, as specified by users, are extremely important. Unlike in a database management system (DBMS), a query...
Balakumar Kendai, Sharma Chakravarthy