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- aggregation classification "B2".
- aggregation creator B981157.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2013".
- aggregation format "application/pdf".
- aggregation hasFormat 4162309.bibtex.
- aggregation hasFormat 4162309.csv.
- aggregation hasFormat 4162309.dc.
- aggregation hasFormat 4162309.didl.
- aggregation hasFormat 4162309.doc.
- aggregation hasFormat 4162309.json.
- aggregation hasFormat 4162309.mets.
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- aggregation hasFormat 4162309.txt.
- aggregation hasFormat 4162309.xls.
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- aggregation isPartOf urn:isbn:9783319009537.
- aggregation isPartOf urn:issn:1860-949X.
- aggregation language "eng".
- aggregation publisher "Springer International Publishing".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Technology and Engineering".
- aggregation title "Constraint-wish and satisfied-dissatisfied: an overview of two approaches for dealing with bipolar querying".
- aggregation abstract "In recent years, there has been an increasing interest in dealing with user preferences in flexible database querying, expressing both positive and negative information in a heterogeneous way. This is what is usually referred to as bipolar database querying. Different frameworks have been introduced to deal with such bipolarity. In this chapter, an overview of two approaches is given. The first approach is based on mandatory and desired requirements. Hereby the complement of a mandatory requirement can be considered as a specification of what is not desired at all. So, mandatory requirements indirectly contribute to negative information (expressing what the user does not want to retrieve), whereas desired requirements can be seen as positive information (expressing what the user prefers to retrieve). The second approach is directly based on positive requirements (expressing what the user wants to retrieve), and negative requirements (expressing what the user does not want to retrieve). Both approaches use pairs of satisfaction degrees as the underlying framework but have different semantics, and thus also different operators for criteria evaluation, ranking, aggregation, etc.".
- aggregation authorList BK1379121.
- aggregation endPage "44".
- aggregation startPage "21".
- aggregation volume "497".
- aggregation aggregates 4162310.
- aggregation isDescribedBy 4162309.
- aggregation similarTo 978-3-319-00954-4_2.
- aggregation similarTo LU-4162309.