Automatic Text Summarization - Znalosti 2008

Multi-document – input is not a single document but a clusterof documents focused on the same topic◦ All sentences from the cluster go to the LSACombined with question answering – user submits a query◦ Extracted sentence should be close to the user query – query termsget higher weight in the input matrixDocuments about the same event◦ very similar sentences in different documents◦ we need to solve redundancy◦ Before adding a sentence into the summary – is it similar to any of thesentence already placed in the summary?(cosine similarity)Automatic Text Summarization: Ježek and Steinberger, Znalosti 2008, Bratislava35