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ICDE
2008
IEEE
191views Database» more  ICDE 2008»
15 years 4 days ago
An Algebraic Approach to Rule-Based Information Extraction
Traditional approaches to rule-based information extraction (IE) have primarily been based on regular expression grammars. However, these grammar-based systems have difficulty scal...
Frederick Reiss, Sriram Raghavan, Rajasekar Krishn...
ICDE
2003
IEEE
105views Database» more  ICDE 2003»
15 years 4 days ago
Efficient Creation of Statistics over Query Expressions
Query optimizers use base-table statistics to derive statistics on the sub-plans that are enumerated during optimization. In practice, traditional optimizers rely on a number of s...
Nicolas Bruno, Surajit Chaudhuri
SIGMOD
2003
ACM
126views Database» more  SIGMOD 2003»
14 years 11 months ago
Issues in data stream management
Traditional databases store sets of relatively static records with no pre-defined notion of time, unless timestamp attributes are explicitly added. While this model adequately rep...
Lukasz Golab, M. Tamer Özsu
SIGMOD
2002
ACM
91views Database» more  SIGMOD 2002»
14 years 11 months ago
Phoenix Project: Fault-Tolerant Applications
After a system crash, databases recover to the last committed transaction, but applications usually either crash or cannot continue. The Phoenix purpose is to enable application s...
Roger S. Barga, David B. Lomet
EDBT
2004
ACM
129views Database» more  EDBT 2004»
14 years 11 months ago
T-Araneus: Management of Temporal Data-Intensive Web Sites
T-Araneus is a tool for the generation of Web sites with special attention to temporal aspects. It builds on previous experiences in the management of data-intensive Web-sites, an...
Paolo Atzeni, Pierluigi Del Nostro