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» Database Wrappers Development: Towards Automatic Generation
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VLDB
2007
ACM
115views Database» more  VLDB 2007»
14 years 5 months ago
Context-Aware Wrapping: Synchronized Data Extraction
The deep Web presents a pressing need for integrating large numbers of dynamically evolving data sources. To be more automatic yet accurate in building an integration system, we o...
Shui-Lung Chuang, Kevin Chen-Chuan Chang, ChengXia...
AAAI
2006
13 years 6 months ago
Automatic Wrapper Generation Using Tree Matching and Partial Tree Alignment
This paper is concerned with the problem of structured data extraction from Web pages. The objective of the research is to automatically segment data records in a page, extract da...
Yanhong Zhai, Bing Liu
DOOD
1995
Springer
93views Database» more  DOOD 1995»
13 years 9 months ago
A Query Translation Scheme for Rapid Implementation of Wrappers
Wrappers provide access to heterogeneous information sources by converting application queries into source speci c queries or commands. In this paper we present a wrapper implemen...
Yannis Papakonstantinou, Ashish Gupta, Hector Garc...
ICDE
2000
IEEE
99views Database» more  ICDE 2000»
14 years 6 months ago
XWRAP: An XML-Enabled Wrapper Construction System for Web Information Sources
This paper describes the methodology and the software development of XWRAP, an XML-enabled wrapper construction system for semi-automatic generation of wrapper programs. By XML-ena...
Ling Liu, Calton Pu, Wei Han
IDEAS
2005
IEEE
142views Database» more  IDEAS 2005»
13 years 11 months ago
Automatically Maintaining Wrappers for Web Sources
A substantial subset of the web data follows some kind of underlying structure. Nevertheless, HTML does not contain any schema or semantic information about the data it represents...
Juan Raposo, Alberto Pan, Manuel Álvarez, J...