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» The Modula-3 Type System
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AUSAI
2004
Springer
16 years 2 days ago
Analyzing the Effect of Query Class on Document Retrieval Performance
Abstract. Analysis of queries posed to open-domain question-answering systems indicates that particular types of queries are dominant, e.g., queries about the identity of people, a...
Pawel Kowalczyk, Ingrid Zukerman, Michael Niemann
SIGMOD
1996
ACM
109views Database» more  SIGMOD 1996»
15 years 10 months ago
Improved Histograms for Selectivity Estimation of Range Predicates
Many commercial database systems maintain histograms to summarize the contents of relations and permit efficient estimation of query result sizes and access plan costs. Although s...
Viswanath Poosala, Yannis E. Ioannidis, Peter J. H...
AAAI
2006
15 years 8 months ago
Automatically Labeling the Inputs and Outputs of Web Services
Information integration systems combine data from multiple heterogeneous Web services to answer complex user queries, provided a user has semantically modeled the service first. T...
Kristina Lerman, Anon Plangprasopchok, Craig A. Kn...
VLDB
2002
ACM
110views Database» more  VLDB 2002»
15 years 6 months ago
Extending an ORDBMS: The StateMachine Module
Extensibility is one of the mayor benefits of object-relational database management systems. We have used this system property to implement a StateMachine Module inside an object-...
Wolfgang Mahnke, Christian Mathis, Hans-Peter Stei...
SAC
2004
ACM
16 years 3 days ago
Adding wildcards to the Java programming language
This paper describes wildcards, a new language construct designed to increase the flexibility of object-oriented type systems with parameterized classes. Based on the notion of v...
Mads Torgersen, Christian Plesner Hansen, Erik Ern...