Computer Science – Computation and Language
Scientific paper
1997-12-10
Computer Science
Computation and Language
7 pages, 5 Postscript figures, uses aaai.sty
Scientific paper
We describe a new method for summarizing similarities and differences in a pair of related documents using a graph representation for text. Concepts denoted by words, phrases, and proper names in the document are represented positionally as nodes in the graph along with edges corresponding to semantic relations between items. Given a perspective in terms of which the pair of documents is to be summarized, the algorithm first uses a spreading activation technique to discover, in each document, nodes semantically related to the topic. The activated graphs of each document are then matched to yield a graph corresponding to similarities and differences between the pair, which is rendered in natural language. An evaluation of these techniques has been carried out.
Bloedorn Eric
Mani Inderjeet
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