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- IJsbrand Jan Aalbersberg
- SIGIR
- 1992

Although relevance feedback techniques have been investigated for more than 20 years, hardly any of these techniques has been implemented in a commercial full-text document retrieval system. In addition to pure performance problems, this is due to the fact that the application of relevance feedback techniques increases the complexity of the user interface… (More)

- IJsbrand Jan Aalbersberg, Hendrik Jan Hoogeboom
- Mathematical systems theory
- 1989

The decidability of the equivalence problem and the disjointness problem for regular trace languages is considered. By describing the structure of the independence relations involved, precise characterizations are given of those concurrency alphabets for which these problems are decidable. In fact, the first problem is decidable if and only if the… (More)

- Mark D. Wilkinson, Michel Dumontier, +50 authors Barend Mons
- Scientific data
- 2016

There is an urgent need to improve the infrastructure supporting the reuse of scholarly data. A diverse set of stakeholders-representing academia, industry, funding agencies, and scholarly publishers-have come together to design and jointly endorse a concise and measureable set of principles that we refer to as the FAIR Data Principles. The intent is that… (More)

- IJsbrand Jan Aalbersberg, Grzegorz Rozenberg
- Theor. Comput. Sci.
- 1988

- IJsbrand Jan Aalbersberg
- SIGIR
- 1994

This paper introduces a new full-text document retrieval model that is based on comparing occurrence frequent y rank numbers of terms in queries and documents. More precisely, to compute the similarity between a query and a document, this new model first ranks the terms in the query and in the document on decreasing occurrence frequency. Next, for each… (More)

- IJsbrand Jan Aalbersberg
- SIGIR
- 1991

This paper describes a posting compression technique to be used in dynamic full-text document retrieval environments. The compression technique being presented is applicable in main-memory document retrieval systems, and consists of two parts. First there is the efficient use of auxiliary tables, and second there is the application of the well-known… (More)

- IJsbrand Jan Aalbersberg, Joost Engelfriet, Grzegorz Rozenberg
- J. Comput. Syst. Sci.
- 1990

- IJsbrand Jan Aalbersberg, Emo Welzl
- ITA
- 1986

- IJsbrand Jan Aalbersberg, Grzegorz Rozenberg, Andrzej Ehrenfeucht
- Discrete Applied Mathematics
- 1986