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PODS
2002
ACM
117views Database» more  PODS 2002»
14 years 7 months ago
Monadic Datalog and the Expressive Power of Languages for Web Information Extraction
Research on information extraction from Web pages (wrapping) has seen much activity in recent times (particularly systems implementations), but little work has been done on formal...
Georg Gottlob, Christoph Koch
POLICY
2007
Springer
14 years 1 months ago
Adaptive Web Data Extraction Policies
Web data extraction is concerned, among other things, with routine data accessing and downloading from continuously-updated dynamic Web pages. There is a relevant trade-off between...
Giacomo Fiumara, Massimo Marchi, Alessandro Provet...
ICCBR
2005
Springer
14 years 1 months ago
Extending jCOLIBRI for Textual CBR
Abstract. This paper summarises our work in textual Case-Based Reasoning within jCOLIBRI. We use Information Extraction techniques to annotate web pages to facilitate semantic retr...
Juan A. Recio-García, Belén Dí...
IJCAI
2003
13 years 8 months ago
Visual Programming of Web Data Aggregation Applications
Most of the information needs today can be satisfied by searching and browsing the Web. However, repetitive tasks such as monitoring information on Web sites should be done autom...
Robert Baumgartner, Georg Gottlob, Marcus Herzog
KDD
2002
ACM
170views Data Mining» more  KDD 2002»
14 years 7 months ago
Web site mining: a new way to spot competitors, customers and suppliers in the world wide web
When automatically extracting information from the world wide web, most established methods focus on spotting single HTMLdocuments. However, the problem of spotting complete web s...
Martin Ester, Hans-Peter Kriegel, Matthias Schuber...