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  1. Journal of Computer Science and Technology
  2. Journal of Computer Science and Technology : Volume 24
  3. Journal of Computer Science and Technology : Volume 24, Issue 4, July 2009
  4. Cooperative Answering of Fuzzy Queries
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Journal of Computer Science and Technology : Volume 32
Journal of Computer Science and Technology : Volume 31
Journal of Computer Science and Technology : Volume 30
Journal of Computer Science and Technology : Volume 29
Journal of Computer Science and Technology : Volume 28
Journal of Computer Science and Technology : Volume 27
Journal of Computer Science and Technology : Volume 26
Journal of Computer Science and Technology : Volume 25
Journal of Computer Science and Technology : Volume 24
Journal of Computer Science and Technology : Volume 24, Issue 6, November 2009
Journal of Computer Science and Technology : Volume 24, Issue 5, September 2009
Journal of Computer Science and Technology : Volume 24, Issue 4, July 2009
Self-Switching Classification Framework for Titled Documents
Combining Local Scoring and Global Aggregation to Rank Entities for Deep Web Queries
Constraints-Aware Scheduling for Transactional Services Composition
System Π: A Native RDF Repository Based on the Hypergraph Representation for RDF Data Model
Improved Integrity Constraints Checking in Distributed Databases by Exploiting Local Checking
Cooperative Answering of Fuzzy Queries
Prefetching J$^{+}$-Tree: A Cache-Optimized Main Memory Database Index Structure
Cache-Conscious Data Cube Computation on a Modern Processor
Optimization Techniques for RFID Complex Event Processing
Edge-Aware Level Set Diffusion and Bilateral Filtering Reconstruction for Image Magnification
Facial Expression Recognition of Various Internal States via Manifold Learning
A Logic-Program-Based Negotiation Mechanism
Survivability Evaluation in Large-Scale Mobile Ad-Hoc Networks
Cost-Sensitive and Load-Balancing Gateway Placement in Wireless Mesh Networks with QoS Constraints
Combination of Qualitative Information with 2-Tuple Linguistic Representation in DSmT
A New Fuzzy Set Theory Satisfying All Classical Set Formulas
Journal of Computer Science and Technology : Volume 24, Issue 3, May 2009
Journal of Computer Science and Technology : Volume 24, Issue 2, March 2009
Journal of Computer Science and Technology : Volume 24, Issue 1, January 2009
Journal of Computer Science and Technology : Volume 23
Journal of Computer Science and Technology : Volume 22
Journal of Computer Science and Technology : Volume 21
Journal of Computer Science and Technology : Volume 20
Journal of Computer Science and Technology : Volume 19
Journal of Computer Science and Technology : Volume 18
Journal of Computer Science and Technology : Volume 17
Journal of Computer Science and Technology : Volume 16
Journal of Computer Science and Technology : Volume 15
Journal of Computer Science and Technology : Volume 14
Journal of Computer Science and Technology : Volume 13
Journal of Computer Science and Technology : Volume 12

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Cooperative Answering of Fuzzy Queries

Content Provider SpringerLink
Author Hachani, Narjes Ben Hassine, Mohamed Ali Chettaoui, Hanèene Ounelli, Habib
Copyright Year 2009
Abstract The majority of existing information systems deals with crisp data through crisp database systems. Traditional Database Management Systems (DBMS) have not taken into account imprecision so one can say there is some sort of lack of flexibility. The reason is that queries retrieve only elements which precisely match to the given Boolean query. That is, an element belongs to the result if the query is true for this element; otherwise, no answers are returned to the user. The aim of this paper is to present a cooperative approach to handling empty answers of fuzzy conjunctive queries by referring to the Formal Concept Analysis (FCA) theory and fuzzy logic. We present an architecture which combines FCA and databases. The processing of fuzzy queries allows detecting the minimal reasons of empty answers. We also use concept lattice in order to provide the user with the nearest answers in the case of a query failure.
Starting Page 675
Ending Page 686
Page Count 12
File Format PDF
ISSN 10009000
Journal Journal of Computer Science and Technology
Volume Number 24
Issue Number 4
e-ISSN 18604749
Language English
Publisher Springer US
Publisher Date 2009-09-11
Publisher Place Boston
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword cooperative system database empty answer formal concept analysis fuzzy query Information Systems Applications (incl.Internet) Artificial Intelligence (incl. Robotics) Data Structures, Cryptology and Information Theory Theory of Computation Software Engineering Computer Science
Content Type Text
Resource Type Article
Subject Theoretical Computer Science Computational Theory and Mathematics Computer Science Applications Software Hardware and Architecture
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