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dc.contributor.authorStaff, Chris-
dc.contributor.authorAzzopardi, Joel-
dc.contributor.authorLayfield, Colin-
dc.contributor.authorMercieca, Dan-
dc.identifier.citationStaff, C., Azzopardi, J., Layfield, C., & Mercieca, D. (2015, September). Search results clustering without external resources. 26th International Workshop on Database and Expert Systems Applications (DEXA), Spain. 276-280.en_GB
dc.description.abstractOur unsupervised Search Results Clustering (SRC) system partitions into clusters the top-n results returned by a search engine. We present the results of experiments with our SRC system that performs incremental clustering on document titles and snippets only and does not use external resources, yet which outperforms the best performers to date on the SemEval2013 Task 11 gold standard. We include Latent Semantic Analysis (LSA) as an optional step, using the snippets themselves as the background corpus. We demonstrate that better results are achieved by leaving the query terms out of the clustering process, and that currently, the version without LSA outperforms the version with LSA.en_GB
dc.publisherInstitute of Electrical and Electronics Engineersen_GB
dc.subjectSearch enginesen_GB
dc.subjectLatent semantic indexingen_GB
dc.subjectNatural language processing (Computer science)en_GB
dc.titleSearch results clustering without external resourcesen_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder.en_GB
dc.bibliographicCitation.conferencenameInternational Workshop on Database and Expert Systems Applicationsen_GB
dc.bibliographicCitation.conferenceplaceValencia, Spain. 01-04/09/2015.en_GB
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