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JUCS
2008
116views more  JUCS 2008»
13 years 2 months ago
A Workflow Language for Web Automation
: Most today's web sources do not provide suitable interfaces for software programs to interact with them. Many researchers have proposed highly effective techniques to addres...
Paula Montoto, Alberto Pan, Juan Raposo, Jos&eacut...
WIIW
2001
109views more  WIIW 2001»
13 years 4 months ago
Managing Source Schema Evolution in Web Warehouses
Web Data Warehouses have been introduced to enable the analysis of integrated Web data. One of the main challenges in these systems is to deal with the volatile and dynamic nature...
Adriana Marotta, Regina Motz, Raul Ruggia
IJCAI
2003
13 years 4 months ago
Source Update Capture in Information Agents
In this paper we present strategies for successfully capturing updates at Web sources. Web-based information agents provide integrated access to autonomous Web sources that can ge...
Naveen Ashish, Deepak Kulkarni, Yao Wang
SPIRE
1999
Springer
13 years 6 months ago
Top-down Extraction of Semi-Structured Data
In this paper, we propose an innovative approach to extracting semi-structured data from Web sources. The idea is to collect a couple of example objects from the user and to use t...
Berthier A. Ribeiro-Neto, Alberto H. F. Laender, A...
SAC
2003
ACM
13 years 7 months ago
WebSOGO: A Global Ontology for Describing Web Sources
Based on the limitations raised by existing approaches in the context of the Semantic Web, we propose a formalism, Web Sources Global Ontology (WebSOGO), a data meta-model for the...
Edna Ruckhaus, Maria-Esther Vidal