Fuzzy Sets and Systems
FQUERY for Access: towards human consistent querying user interface
SAC '96 Proceedings of the 1996 ACM symposium on Applied Computing
Recent Issues on Fuzzy Databases
Recent Issues on Fuzzy Databases
Bipolarity in Flexible Querying
FQAS '02 Proceedings of the 5th International Conference on Flexible Query Answering Systems
A Server for Fuzzy SQL Queries
FQAS '98 Proceedings of the Third International Conference on Flexible Query Answering Systems
Preferences; Putting More Knowledge into Queries
VLDB '87 Proceedings of the 13th International Conference on Very Large Data Bases
DEXA '04 Proceedings of the Database and Expert Systems Applications, 15th International Workshop
Multiattribute decision making models and methods using intuitionistic fuzzy sets
Journal of Computer and System Sciences
Bipolar Queries and Queries with Preferences (Invited Paper)
DEXA '06 Proceedings of the 17th International Conference on Database and Expert Systems Applications
Multicriteria fuzzy decision-making methods based on intuitionistic fuzzy sets
Journal of Computer and System Sciences
Handbook of Research on Fuzzy Information Processing in Databases
Handbook of Research on Fuzzy Information Processing in Databases
Bipolar representations in reasoning, knowledge extraction and decision processes
RSCTC'06 Proceedings of the 5th international conference on Rough Sets and Current Trends in Computing
Dealing with Positive and Negative Query Criteria in Fuzzy Database Querying
FQAS '09 Proceedings of the 8th International Conference on Flexible Query Answering Systems
Extending relational algebra to handle bipolarity
Proceedings of the 2010 ACM Symposium on Applied Computing
Soft querying of standard and uncertain databases
IEEE Transactions on Fuzzy Systems
Geographic information retrieval: Modeling uncertainty of user's context
Fuzzy Sets and Systems
Bipolar fuzzy querying of temporal databases
FQAS'11 Proceedings of the 9th international conference on Flexible Query Answering Systems
On a fuzzy bipolar relational algebra
Information Sciences: an International Journal
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Since many years, research on flexible querying of regular databases aims at making database systems better accessible, and this by allowing queries to be formulated in a more human consistent manner. In general, this is done by allowing the user to express preferences, which are not necessarily strict, but can be approximately specified. As a result, a satisfaction degree can be calculated for each record in the database, expressing the degree to which the particular record satisfies the users preferences. In addition to this, bipolar querying adds the notion of both positive and negative preferences in handling flexible queries. The reason for this is that it is sometimes more feasible for a user to express what is undesirable than to express what is desirable. Moreover, satisfactory and unsatisfactory cases do not necessarily have to be each others reverse, which is called heterogeneous bipolarity. To deal with this heterogeneous bipolarity, this paper introduces a new bipolar query satisfaction modeling framework, where, besides a satisfaction degree, also an independent dissatisfaction degree is used.