Abstract The Semantic Web comprises a large amount of distributed and heterogeneous
ontologies, which have been developed by different communities, and there exists a need to …

Integrating a web application into an automated business process requires to design
wrappers that get user queries as input and map them onto the search forms that the …

The literature provides many techniques to infer rules that can be used to configureweb
information extractors. Unfortunately, these techniques have been developed …

Wrappers are pieces of software used to extract data from websites and structure them for
further application processing. Unfortunately, websites are continuously evolving and …

One Class Classifier techniques have the ability to identify data that is unknown with respect
to a group of known observations. However, the training set only contains instances of the …

Wrappers are pieces of software used to extract data from websites and structure them for
further application processing. Unfortunately, websites are continuously evolving and …

Huge amounts of structured data sources are hidden in the databases behind web forms.
Volumes of deep web contents were estimated to be around 500 times those of surface web …

The previous research has focused on quick and efficient generation of wrappers; the
development of tools for wrapper maintenance has received less attention. This is an …

The online data sources have prompted to an expanded utilization of wrappers for extract
data from Web sources. We present a unique idea, to explain the expressed problems and …

One-class techniques are classification algorithms, largely unsupervised, that learn using a
single class. The problem of verify the information obtained by an informaction extractor …