Extracting Multiwords From Large Document Collection Based N-Gram
Journal Title: International Journal of P2P Network Trends and Technology(IJPTT) - Year 2013, Vol 3, Issue 5
Abstract
Multiword terms (MWTs) are relevant strings of words in text collections. Once they are automatically extracted, they may be used by an Information Retrieval system, suggesting its users possible conceptual interesting refinements of their information needs. As a matter of fact, these multiword terms point to relevant information, often corresponding to topics and subtopics in the text collection, and maybe quite useful specially for highly refining generic queries. A new approach is proposed to find collocation from text document. As mentioned earlier, a collocation is just a set of words occurring together more often than by chance in a corpus. Collocations are extracted based on the frequency of the joint occurrence of the words as well as that of the individual occurrences of each of the words in the whole text. Intuitively, when a set of words is extracted as a collocation, then the joint occurrence of the words must be high in comparison to that of the constituent individual words.
Authors and Affiliations
M. Nirmala 1 , Dr. E. Ramaraj
Keywords
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