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VLDB
2005
ACM
139views Database» more  VLDB 2005»
15 years 11 months ago
Analyzing Plan Diagrams of Database Query Optimizers
A “plan diagram” is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. In this paper, we present and an...
Naveen Reddy, Jayant R. Haritsa
WAIM
2005
Springer
15 years 11 months ago
An Algebraic Framework for Schema Matching
It is well known that a formal framework for the schema matching problem (SMP) is important because it facilitates the building of algorithm model and the evaluation of algorithms....
Zhi Zhang, Haoyang Che, Pengfei Shi, Yong Sun, Jun...
STACS
2004
Springer
15 years 11 months ago
Matching Algorithms Are Fast in Sparse Random Graphs
We present an improved average case analysis of the maximum cardinality matching problem. We show that in a bipartite or general random graph on n vertices, with high probability ...
Holger Bast, Kurt Mehlhorn, Guido Schäfer, Hi...
PODC
2003
ACM
15 years 11 months ago
Scalable and dynamic quorum systems
We investigate issues related to the probe complexity of quorum systems and their implementation in a dynamic environment. Our contribution is twofold. The first regards the algo...
Moni Naor, Udi Wieder
LACL
2001
Springer
15 years 10 months ago
On the Distinction between Model-Theoretic and Generative-Enumerative Syntactic Frameworks
Abstract. Two kinds of framework for stating grammars of natural languages emerged during the 20th century. Here we call them generativeenumerative syntax (GES) and model-theoretic...
Geoffrey K. Pullum, Barbara C. Scholz