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» Machine models and lower bounds for query processing
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PVLDB
2008
128views more  PVLDB 2008»
13 years 7 months ago
Hexastore: sextuple indexing for semantic web data management
Despite the intense interest towards realizing the Semantic Web vision, most existing RDF data management schemes are constrained in terms of efficiency and scalability. Still, th...
Cathrin Weiss, Panagiotis Karras, Abraham Bernstei...
PODS
2008
ACM
123views Database» more  PODS 2008»
14 years 7 months ago
Evaluating rank joins with optimal cost
In the rank join problem, we are given a set of relations and a scoring function, and the goal is to return the join results with the top K scores. It is often the case in practic...
Karl Schnaitter, Neoklis Polyzotis
DSN
2009
IEEE
13 years 11 months ago
Efficient resource management on template-based web servers
The most commonly used request processing model in multithreaded web servers is thread-per-request, in which an individual thread is bound to serve each web request. However, with...
Eli Courtwright, Chuan Yue, Haining Wang
GEOINFORMATICA
1998
79views more  GEOINFORMATICA 1998»
13 years 7 months ago
Symbolic Intersect Detection: A Method for Improving Spatial Intersect Joins
Due to the increasing popularity of spatial databases, researchers have focused their efforts on improving the query processing performance of the most expensive spatial database ...
Yun-Wu Huang, Matthew C. Jones, Elke A. Rundenstei...
TACAS
2010
Springer
241views Algorithms» more  TACAS 2010»
14 years 2 months ago
Arrival Curves for Real-Time Calculus: The Causality Problem and Its Solutions
Abstract. The Real-Time Calculus (RTC) [16] is a framework to analyze heterogeneous real-time systems that process event streams of data. The streams are characterized by pairs of ...
Matthieu Moy, Karine Altisen