The effectiveness of GIOSS for the text database discovery problem
SIGMOD '94 Proceedings of the 1994 ACM SIGMOD international conference on Management of data
Searching distributed collections with inference networks
SIGIR '95 Proceedings of the 18th annual international ACM SIGIR conference on Research and development in information retrieval
Performance evaluation of a distributed architecture for information retrieval
SIGIR '96 Proceedings of the 19th annual international ACM SIGIR conference on Research and development in information retrieval
STARTS: Stanford proposal for Internet meta-searching
SIGMOD '97 Proceedings of the 1997 ACM SIGMOD international conference on Management of data
Evaluating the cost of Boolean query mapping
DL '97 Proceedings of the second ACM international conference on Digital libraries
Efficient searching in distributed digital libraries
Proceedings of the third ACM conference on Digital libraries
Evaluating database selection techniques: a testbed and experiment
Proceedings of the 21st annual international ACM SIGIR conference on Research and development in information retrieval
Comparing the performance of database selection algorithms
Proceedings of the 22nd annual international ACM SIGIR conference on Research and development in information retrieval
Using query mediators for distributed searching in federated digital libraries
Proceedings of the fourth ACM conference on Digital libraries
Information Retrieval: Application Service Definition and Protocol Specification, Z39.50-1995
Information Retrieval: Application Service Definition and Protocol Specification, Z39.50-1995
Dienst: Implementation Reference Manual
Dienst: Implementation Reference Manual
A Characterization Study of NCSTRL Distributed Searching
A Characterization Study of NCSTRL Distributed Searching
Optimal File Allocation in a Multiple Computer System
IEEE Transactions on Computers
Grid application performance prediction: a case study in BROADEN
VECoS'07 Proceedings of the First international conference on Verification and Evaluation of Computer and Communication Systems
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Resource discovery in a distributed digital library poses many challenges, one of which is how to choose search engines for query distribution, given a query and a set of search engines. This paper focuses on search engine performance as a criterion for search engine selection and defines two measurements of search engine performance: availability - will the search engine respond within a time limit, and response time - how quickly will the search engine respond, given that it responds at all. We predicted both of these performance characteristics with a variety of algorithms, all of which required little computation time and combined past performance data for each search engine into a succinct record. We used operational data from the NCSTRL distributed digital library to make and evaluate predictions, and we found that simple prediction methods performed as well as more complex methods and that prediction accuracy was closely related to data consistency.