Term weighting based on document revision history
|Term weighting based on document revision history|
|Author(s)||Nunes S., Ribeiro C., David G.|
|Published in||Journal of the American Society for Information Science and Technology|
|Keyword(s)||Unknown (Extra: Collection of documents, Document collection, Gold standards, Social bookmarking, Term Frequency, Term weighting, Wikipedia, Experiments, Information retrieval systems, Search engines, Information retrieval)|
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|Browse properties · List of literature reviews|
Term weighting based on document revision history is a 2011 literature review written in English by Nunes S., Ribeiro C., David G. and published in Journal of the American Society for Information Science and Technology.
In real-world information retrieval systems, the underlying document collection is rarely stable or definitive. This work is focused on the study of signals extracted from the content of documents at different points in time for the purpose of weighting individual terms in a document. The basic idea behind our proposals is that terms that have existed for a longer time in a document should have a greater weight. We propose 4 term weighting functions that use each document's history to estimate a current term score. To evaluate this thesis, we conduct 3 independent experiments using a collection of documents sampled from Wikipedia. In the first experiment, we use data from Wikipedia to judge each set of terms. In a second experiment, we use an external collection of tags from a popular social bookmarking service as a gold standard. In the third experiment, we crowdsource user judgments to collect feedback on term preference. Across all experiments results consistently support our thesis. We show that temporally aware measures, specifically the proposed revision term frequency and revision term frequency span, outperform a term-weighting measure based on raw term frequency alone.
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