Extracting specific information from the vast amount of documents in the World Wide Web is a very tedious task. Manual extraction has high quality output but cannot be automated. Programmed wrappers, on the other hand, suffer from the uncertainty of document structures. The generation of a more generic wrapper for whole classes of textual information, which can accommodate all kinds of document...

directly access the data. Web wrappers, however, must automate Web browsing sessions to extract data from the target Web pages so other applications can process that data. Each Web site has its own set of links, layout templates, and syntax. You could, in a brute-force solution, program a wrapper for each browsing session. However, such wrappers are sensitive to Web site changes and become diff...

Data extraction from the web is notoriously hard. Of the types of resources available on the web, weblogs are becoming increasingly important due to the continued growth of the blogosphere, but remain poorly explored. Past approaches to data extraction from weblogs have often involved manual intervention and suffer from low scalability. This paper proposes a fully automated information extracti...

Tying web services together to build large, distributed, collaborative applications has gathered noticeable momentum and a lot of research is being put in it. Along with composition of the web services, coordination is one key aspect that has been considered keenly. Many frameworks, languages and protocols have been proposed for web service composition and coordination. With the advancement in ...

Service-oriented e-science workflow has emerged as a paradigm for integrating heterogeneous distributed science computations. Life sciences also utilizes workflow management systems based on chemical information for accelerating scientific progress. We have developed an infrastructure of chemoinformatics Web services that make those approaches efficient. In this paper, we describe a Web service...

Annotation and interpretation of DNA aberrations identified through next-generation sequencing is becoming an increasingly important task, especially in the context of data analysis pipelines for medical applications, where aberrations are associated with phenotypic and clinical features. A possible approach for annotation is to identify drugs as potential targets for aberrated genes or pathway...

In this paper, we propose an approach to extract information from HTML pages and to add semantic (XML) tags to them. Wrapping is an essential technique used to automatically extract information from Web sources. This paper describes both, a general approach based on rules, which can be used to automatically generate wrappers, and an assistant generator wrapper called WebMantic. We also provide ...

Information extraction (IE) is an important problem for information integration with broad applications. It is an attractive application for machine learning. The core of this problem is to learn extraction rules from given input. This paper extends a pattern discovery approach called IEPAD to the rapid generation of information extractors that can extract structured data from semi-structuredWe...