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ESWS
2011
Springer
14 years 29 days ago
Zero-Knowledge Query Planning for an Iterator Implementation of Link Traversal Based Query Execution
Abstract. Link traversal based query execution is a new query execution paradigm for the Web of Data. This approach allows the execution engine to discover potentially relevant dat...
Olaf Hartig
PODS
2004
ACM
100views Database» more  PODS 2004»
15 years 9 months ago
Weighted Hypertree Decompositions and Optimal Query Plans
Francesco Scarcello, Gianluigi Greco, Nicola Leone
103
Voted
EDBT
2012
ACM
247views Database» more  EDBT 2012»
12 years 12 months ago
Heuristics-based query optimisation for SPARQL
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
Petros Tsialiamanis, Lefteris Sidirourgos, Irini F...
SIGMOD
2004
ACM
107views Database» more  SIGMOD 2004»
15 years 9 months ago
Static Optimization of Conjunctive Queries with Sliding Windows Over Infinite Streams
We define a framework for static optimization of sliding window conjunctive queries over infinite streams. When computational resources are sufficient, we propose that the goal of...
Ahmed Ayad, Jeffrey F. Naughton