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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Hammache, A. Ahmed-Ouamer, R. Boughanem, M. |
| Copyright Year | 2011 |
| Abstract | Most traditional information retrieval systems are based on single terms indexing. However, it is admitted that semantic content of a document (or a query) cannot be accurately captured by a simple set of independent keywords. Although, several works have incorporated phrases or other syntactic information in IR, such attempts have shown slight benefit, at best. Particularly in language modeling approaches this is achieved through the use of the big ram or n-gram models. However, in these models all big rams/n-grams are considered and weighted uniformly. In this paper we introduce a new approach to weight and consider only certain types of N-grams "compound terms". Experimental results on three test collections showed an improvement. |
| Starting Page | 67 |
| Ending Page | 70 |
| File Size | 254745 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781457713736 |
| DOI | 10.1109/WI-IAT.2011.52 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-08-22 |
| Publisher Place | France |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Smoothing methods Computational modeling Hidden Markov models information retrieval Information retrieval Data models language model Compounds Indexing compound term indexing |
| Content Type | Text |
| Resource Type | Article |
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