This paper reports the outcomes of a longitudinal study on the CLEF Ad Hoc track in order to assess its impact on the effectiveness of monolingual, bilingual and multilingual information access and retrieval systems. Monolingual retrieval shows a positive trend, even if the performance increase is not always steady from year to year; bilingual retrieval has demonstrated higher improvements in recent years, probably due to the better linguistic resources now available; and, multilingual retrieval exhibits constant improvement and performances comparable to bilingual (and, sometimes, even monolingual) ones. © 2014 Springer International Publishing.
CITATION STYLE
Ferro, N., & Silvello, G. (2014). CLEF 15thbirthday: What can we learn from ad hoc retrieval? In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 8685 LNCS, pp. 31–43). Springer Verlag. https://doi.org/10.1007/978-3-319-11382-1_4
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