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What is Bipolarity

Chapter 4
Handbook of Research on Fuzzy Information Processing in Databases
Cognitive phenomenon whereby reasoning and decision processes are described in terms of positive and negative aspects, often separately.
Published in Chapter:
Handling Bipolar Queries in Fuzzy Information Processing
Didier Dubois (IRIT, Université de Toulouse, France) and Henri Prade (IRIT, Université de Toulouse, France)
Copyright: © 2008 |Pages: 18
DOI: 10.4018/978-1-59904-853-6.ch004
Abstract
The chapter advocates the interest of distinguishing between negative and positive preferences in the processing of flexible queries. Negative preferences express what is (more or less, or completely) impossible or undesirable, and by complementation, they specify flexible constraints restricting feasible or tolerated values. Positive preferences are less compulsory, and rather express wishes; they specify attribute values that would be really satisfactory. Because they are often expressed independently, negative and positive preferences may be inconsistent. Consistency is then restored by giving priority to negative preferences, since they express genuine constraints. The chapter discusses the handling of bipolar queries, that is, queries involving negative and positive preferences, in the framework of possibility theory. Both ordinary queries expressed in terms of flexible requirements and case-based queries referring to examples and counterexamples are considered in this perspective.
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Chapter 633
Bipolar Model in Collective Choice
A notion that consists, for an actor, in viewing or evaluating anything in two directions: a direction positively seen by the actor and a direction considered to impede his aspirations.
Published in Chapter: Bipolar Model in Collective Choice; From: Encyclopedia of Information Science and Technology, Fourth Edition
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Chapter 12
Tanimoto Similarity Coefficients Measuring Bipolar q-Rung Picture Fuzzy Information and Their Applications
Bipolarity refers to the tendency of the human psyche in reasoning and settling on choices based on positive and negative impacts. Where positive information reflects what is considered, satisfactory, permitted, possible, or desired as being acceptable. Otherwise, negative statements represent what is rejected, impossible or forbidden. Negative inclinations compare to restraints, since they indicate which esteems or articles must be dismissed, while positive inclinations relate to wishes, as they specify which items are more alluring than others without dismissing those that don’t meet the desires.
Published in Chapter: Tanimoto Similarity Coefficients Measuring Bipolar q-Rung Picture Fuzzy Information and Their Applications; From: Handbook of Research on Advances and Applications of Fuzzy Sets and Logic
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