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VLDB
2007
ACM
125views Database» more  VLDB 2007»
14 years 2 months ago
Data Integration with Uncertainty
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
Xin Luna Dong, Alon Y. Halevy, Cong Yu
LCPC
2005
Springer
14 years 1 months ago
Interprocedural Symbolic Range Propagation for Optimizing Compilers
Abstract. We have designed and implemented an interprocedural algorithm to analyze symbolic value ranges that can be assumed by variables at any given point in a program. Our algor...
Hansang Bae, Rudolf Eigenmann
ICDE
2005
IEEE
122views Database» more  ICDE 2005»
14 years 1 months ago
Autonomous Index Optimization in XML Databases
Abstract— Defining suitable indexes is a major task when optimizing a database. Usually, a human database administrator defines a set of indexes in the design phase of the data...
Beda Christoph Hammerschmidt, Martin Kempa, Volker...
EJC
2008
13 years 9 months ago
Center Fragments for Upscaling and Verification in Database Semantics
The notion of a fragment was coined by Montague 1974 to illustrate the formal handling of certain puzzles, such as de dicto/de re, in a truth-conditional semantics for natural lan...
Roland Hausser
IJSI
2008
115views more  IJSI 2008»
13 years 8 months ago
Towards Knowledge Acquisition from Semi-Structured Content
Abstract A rich family of generic Information Extraction (IE) techniques have been developed by researchers nowadays. This paper proposes WebKER, a system for automatically extract...
Xi Bai, Jigui Sun, Haiyan Che, Lian Shi