Kostas Tzeras

Learn More
AIR/X is a rule-based system for indexing with terms (descriptors) from a prescribed vocabulary. For this task, an indexing dictionary with rules for mapping terms from the text onto descriptors is required, which can be derived automatically from a set of manually indexed documents. Based on the Darmstadt Indexing Approach, the indexing task is divided(More)
Similarity searching in text databases with multiple field types is still an open problem. We focus our attention on the “COmmunity Research and Development Information Service” (CORDIS) database of the European Union and we evaluate the effectiveness of many text retrieval methods in terms of precision, recall and ranking quality. Our experiments indicate(More)
In diesem Beitrag wird eine „digitale Bibliothek” definiert als informationelle Umgebung, in der in integrierter Form verteilte Informationsquellen zugänglich sind. Die Suche ist normalerweise ein interaktiver Prozeß, in dem verfügbare Informationen in unterschiedlichen Formaten und in unterschiedlichen Kontexten benutzt werden. Ein wichtiges(More)
  • 1