A common strategy to assign keywords to documents is to select the most appropriate words from the document text. One of the most important criteria for a word to be selected as keyword is its relevance for the text. The tf.idf score of a term is a widely used relevance measure. While easy to compute …

A common strategy to assign keywords to documents is to select the most appropriate words from the document text. One of the most important criteria for a word to be selected as keyword is its relevance for the text. The tf.idf score of a term is a widely used relevance measure. While easy to compute …

The objective of this paper is a reflective discussion on the validity of the construct Information Literacy in the perspective of changing information and communication technologies. The research question that will be answered is: what is the impact of technological developments on the relevance of …

Een goede zoekstrategie voor brede onderwerpsgerichte zoekvragen is een heuristisch proces waarbij verschillende zoekmethodes stuk voor stuk worden toegepast. [Peter Becker en Jos van Helvoort]

Introduction: To reduce continuously increasing costs in drug development, adverse effects of drugs need to be detected as early as possible in the process. In recent years, compound-induced gene expression profiling methodologies have been developed to assess compound toxicity, including Gene Ontology …

In april 2007 heeft Avans Hogeschool nieuwe portalsoftware in gebruik genomen. Het doel van deze portalsoftware is het integreren van de verschillende ict-systemen binnen de hogeschool. De toegang tot deze systemen is geoptimaliseerd door een enkelvoudige login. Om de vindbaarheid van de vele duizenden …

The analysis of regulatory regions in genome sequences is strongly based on the detection of potential transcription factor binding sites. The preferred models for representation of transcription factor binding specificity have been termed position-specific scoring matrices. JASPAR is an open-access …

Fast and successful searching for an object in a multimedia database is a highly desirable functionality. Several approaches to content based retrieval for multimedia databases can be found in the literature [9,10,12,14,17]. The approach we consider is feature extraction. A feature can be seen as a way …