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SIGIR
2004
ACM
13 years 11 months ago
Measuring ineffectiveness
An evaluation methodology that targets ineffective topics is needed to support research on obtaining more consistent retrieval across topics. Using average values of traditional ...
Ellen M. Voorhees
SIGIR
2004
ACM
13 years 11 months ago
Cluster-based retrieval using language models
Previous research on cluster-based retrieval has been inconclusive as to whether it does bring improved retrieval effectiveness over document-based retrieval. Recent developments ...
Xiaoyong Liu, W. Bruce Croft
SIGIR
2004
ACM
13 years 11 months ago
Federated Search of Text-Based Digital Libraries in Hierarchical Peer-to-Peer Networks
Abstract. Peer-to-peer architectures are a potentially powerful model for developing large-scale networks of text-based digital libraries, but peer-to-peer networks have so far pro...
Jie Lu, Jamie Callan
SIGIR
2004
ACM
13 years 11 months ago
Sentence completion
We discuss a retrieval model in which the task is to complete a sentence, given an initial fragment, and given an application specific document collection. This model is motivate...
Korinna Grabski, Tobias Scheffer
SIGIR
2004
ACM
13 years 11 months ago
A logic-based approach for computing service executions plans in peer-to-peer networks
Abstract. Today, peer-to-peer services can comprise a large and growing number of services, e.g. search services or services dealing with heterogeneous schemas in the context of Di...
Henrik Nottelmann, Norbert Fuhr