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PODS
2000
ACM
146views Database» more  PODS 2000»
14 years 1 months ago
Analysis and Application of Adaptive Sampling
An estimation algorithm for a query is a probabilistic algorithm that computes an approximation for the size (number of tuples) of the query. One class of estimation algorithms us...
James F. Lynch
SIGMOD
2000
ACM
236views Database» more  SIGMOD 2000»
14 years 1 months ago
XTRACT: A System for Extracting Document Type Descriptors from XML Documents
XML is rapidly emerging as the new standard for data representation and exchange on the Web. An XML document can be accompanied by a Document Type Descriptor (DTD) which plays the...
Minos N. Garofalakis, Aristides Gionis, Rajeev Ras...
AGP
1999
IEEE
14 years 1 months ago
ACI1 constraints
Disunification is the problem of deciding satisfiability of a system of equations and disequations with respect to a given equational theory. In this paper we study the disunifica...
Agostino Dovier, Carla Piazza, Enrico Pontelli, Gi...
ISIPTA
1999
IEEE
14 years 1 months ago
Implicative Analysis for Multivariate Binary Data using an Imprecise Dirichlet Model
Bayesian implicative analysis was proposed for summarizing the association in a 22 contingency table in terms possibly asymmetrical such as, e.g., presence of feature a implies, i...
Jean-Marc Bernard
SSDBM
1999
IEEE
135views Database» more  SSDBM 1999»
14 years 1 months ago
Query Processing in the TAMBIS Bioinformatics Source Integration System
Conducting bioinformatic analyses involves biologists in expressing requests over a range of highly heterogeneous information sources and software tools. Such activities are labor...
Norman W. Paton, Robert Stevens, Patricia G. Baker...