A critical investigation of recall and precision as measures of retrieval system performance
ACM Transactions on Information Systems (TOIS)
Information Processing and Management: an International Journal
Method combination for document filtering
SIGIR '96 Proceedings of the 19th annual international ACM SIGIR conference on Research and development in information retrieval
OWA operators for doctoral student selection problem
The ordered weighted averaging operators
Proceedings of the 24th annual international ACM SIGIR conference on Research and development in information retrieval
A highly scalable and effective method for metasearch
ACM Transactions on Information Systems (TOIS)
Building efficient and effective metasearch engines
ACM Computing Surveys (CSUR)
Selective merging of retrieval results for metasearch environments
Selective merging of retrieval results for metasearch environments
A Fuzzy Search Engine Weighted Approach to Result Merging for Metasearch
RSFDGrC '07 Proceedings of the 11th International Conference on Rough Sets, Fuzzy Sets, Data Mining and Granular Computing
A Weighted Hybrid Fuzzy Result Merging Model for Metasearch
RSFDGrC '09 Proceedings of the 12th International Conference on Rough Sets, Fuzzy Sets, Data Mining and Granular Computing
Applying data fusion methods to passage retrieval in QAS
MCS'07 Proceedings of the 7th international conference on Multiple classifier systems
Using missing documents in metasearch aggregation: an application of OWA operator
FSKD'09 Proceedings of the 6th international conference on Fuzzy systems and knowledge discovery - Volume 7
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When a query is passed to multiple search engines, each search engine returns a ranked list of documents. The problem of result merging is to fuse these ranked lists such that optimal performance is achieved as a result of the combination. In this paper, our primary contribution is a result merging method, based on fuzzy set theory that adapts the quantifier-guided, Ordered Weighted Averaging (OWA) operators introduced by Yager. The proposed framework is more comprehensive than the existing OWA operator based method, as our investigation evaluates alternative heuristics for missing documents (those existing exist in some, but not all, ranked lists) in order to place such documents into the ranked lists before merging. It shows that the effectiveness of the merging process is improved over the based strategy known as Borda-fuse.