CoBase: a scalable and extensible cooperative information system
Journal of Intelligent Information Systems - Special issue on intelligent integration of information
An Overview of Cooperative Answering in Databases
FQAS '98 Proceedings of the Third International Conference on Flexible Query Answering Systems
Towards a Cooperative Question-Answering Model
FQAS '98 Proceedings of the Third International Conference on Flexible Query Answering Systems
Hybrid Neural Document Clustering Using Guided Self-Organization and WordNet
IEEE Intelligent Systems
Knowledge-based query expansion to support scenario-specific retrieval of medical free text
Proceedings of the 2005 ACM symposium on Applied computing
Proceedings of the 8th ACM international workshop on Data warehousing and OLAP
Semantic similarity methods in wordNet and their application to information retrieval on the web
Proceedings of the 7th annual ACM international workshop on Web information and data management
The phrase-based vector space model for automatic retrieval of free-text medical documents
Data & Knowledge Engineering
Matching knowledge elements in concept maps using a similarity flooding algorithm
Decision Support Systems
Approximate range---sum query answering on data cubes with probabilistic guarantees
Journal of Intelligent Information Systems
Fuzzy sets in database and information systems: Status and opportunities
Fuzzy Sets and Systems
CoXML: a cooperative XML query answering system
APWeb/WAIM'07 Proceedings of the joint 9th Asia-Pacific web and 8th international conference on web-age information management conference on Advances in data and web management
| Hi-index | 0.00 |
This paper proposes a cooperative query answering approach that relaxes query conditions to provide approximate answers by utilizing similarity relationships between data values. The proposed fuzzy abstraction hierarchy FAH represents a similarity relationship based on the integrated notion of data abstraction and fuzzy relations. Based on FAH, the authors develop query relaxation operators like query generalization, approximation, and specialization of a value. Compared with existing approaches, FAH supports more effective information retrieval by processing various kinds of cooperative queries through elaborate relaxation control and providing ranked query results according to fitness scores. Moreover, FAH reduces maintenance cost by decreasing the number of similarity relationships to be managed.