Biton, Olivier
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Publication Addressing the Provenance Challenge using ZOOM(2007-05-01) Cohen-Boulakia, Sarah; Biton, Olivier; Cohen, Shirley; Davidson, Susan BZOOM*UserViews presents a model of provenance for scientific workflows that is simple, generic, and yet sufficiently expressive to answer questions of data and step provenance that have been encountered in a large variety of scientific case studies. In addition, ZOOM builds on the concept of composite step-classes – or sub-workflows – which is present in many scientific workflow systems to develop a notion of user views. This paper discusses the design and implementation of ZOOM in the context of the queries posed by the provenance challenge, and shows how user views affect the level of granularity at which provenance information can be seen and reasoned about.Publication BioGuideSRS: Querying Multiple Sources with a user-centric perspective(2007-01-01) Cohen-Boulakia, Sarah; Biton, Olivier; Davidson, Susan B; Froidevaux, ChristineSummary: Biologists are frequently faced with the problem of integrating information from multiple heterogeneous sources with their own experimental data. Given the large number of public sources, it is difficult to choose which sources to integrate without assistance. When doing this manually, biologists differ in their preferences concerning the sources to be queried as well as the strategies, i.e. the querying process they follow for navigating through the sources. In response to these findings, we have developed BioGuide to assist scientists search for relevant data within external sources while taking their preferences and strategies into account. In this paper, we present BioGuideSRS, a user-friendly system which automatically retrieves instances of data by using BioGuide on top of the SRS system. BioGuideSRS is an Applet that can be run from its web page on any system with Java 5.0. Availability: http://www.bioguide-project.net