T²K²: The Twitter Top-K Keywords Benchmark

Abstract : Information retrieval from textual data focuses on the construction of vocabularies that contain weighted term tuples. Such vocabularies can then be exploited by various text analysis algorithms to extract new knowledge, e.g., top-k keywords, top-k documents, etc. Top-k keywords are casually used for various purposes, are often computed on-the-fly, and thus must be efficiently computed. To compare competing weighting schemes and database implementations, benchmarking is customary. To the best of our knowledge, no benchmark currently addresses these problems. Hence, in this paper, we present a top-k keywords benchmark, T²K², which features a real tweet dataset and queries with various complexities and selectivities. T²K² helps evaluate weighting schemes and database implementations in terms of computing performance. To illustrate T²K²'s relevance and genericity, we successfully performed tests on the TF-IDF and Okapi BM25 weighting schemes, on one hand, and on different relational (Oracle, PostgreSQL) and document-oriented (MongoDB) database implementations, on the other hand.
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Communication dans un congrès
21st European Conference on Advances in Databases and Information Systems (ADBIS 2017), Sep 2017, Nicosie, Cyprus. Springer, Communications in Computer and Information Science, 767, pp.21-28, 2017, New Trends in Databases and Information Systems. <http://cyprusconferences.org/adbis2017/>. <10.1007/978-3-319-67162-8>
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https://hal.archives-ouvertes.fr/hal-01529581
Contributeur : Jérôme Darmont <>
Soumis le : mercredi 31 mai 2017 - 09:53:54
Dernière modification le : vendredi 15 septembre 2017 - 01:06:58

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Ciprian-Octavian Truică, Jérôme Darmont. T²K²: The Twitter Top-K Keywords Benchmark. 21st European Conference on Advances in Databases and Information Systems (ADBIS 2017), Sep 2017, Nicosie, Cyprus. Springer, Communications in Computer and Information Science, 767, pp.21-28, 2017, New Trends in Databases and Information Systems. <http://cyprusconferences.org/adbis2017/>. <10.1007/978-3-319-67162-8>. <hal-01529581>

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