Abstract: According to one embodiment of the invention, a method classifying a number of noun phrases in a first text passage and a second text passage into a number of classifications. The method also includes determining a similarity between a noun phrase from the first text passage and a noun phase from the second text passage for each of the noun phrases of a same classification. Additionally, a similarity between a sentence from the first text passage and a sentence from the second text passage is determined for each of the sentences in the first and second text passages based on similarities between the noun phrases. The method also includes determining a similarity between the first text passage and the second text passage based on a similarity between sentences.

Abstract: According to one embodiment of the invention, a method classifying a number of noun phrases in a first text passage and a second text passage into a number of classifications. The method also includes determining a similarity between a noun phrase from the first text passage and a noun phase from the second text passage for each of the noun phrases of a same classification. Additionally, a similarity between a sentence from the first text passage and a sentence from the second text passage is determined for each of the sentences in the first and second text passages based on similarities between the noun phrases. The method also includes determining a similarity between the first text passage and the second text passage based on a similarity between sentences.

Abstract: According to one embodiment of the invention, a method classifying a number of noun phrases in a first text passage and a second text passage into a number of classifications. The method also includes determining a similarity between a noun phrase from the first text passage and a noun phase from the second text passage for each of the noun phrases of a same classification. Additionally, a similarity between a sentence from the first text passage and a sentence from the second text passage is determined for each of the sentences in the first and second text passages based on similarities between the noun phrases. The method also includes determining a similarity between the first text passage and the second text passage based on a similarity between sentences.

Abstract: According to one embodiment of the invention, a method classifying a number of noun phrases in a first text passage and a second text passage into a number of classifications. The method also includes determining a similarity between a noun phrase from the first text passage and a noun phase from the second text passage for each of the noun phrases of a same classification. Additionally, a similarity between a sentence from the first text passage and a sentence from the second text passage is determined for each of the sentences in the first and second text passages based on similarities between the noun phrases. The method also includes determining a similarity between the first text passage and the second text passage based on a similarity between sentences.

Abstract: According to one embodiment of the invention, a method classifying a number of noun phrases in a first text passage and a second text passage into a number of classifications. The method also includes determining a similarity between a noun phrase from the first text passage and a noun phase from the second text passage for each of the noun phrases of a same classification. Additionally, a similarity between a sentence from the first text passage and a sentence from the second text passage is determined for each of the sentences in the first and second text passages based on similarities between the noun phrases. The method also includes determining a similarity between the first text passage and the second text passage based on a similarities between sentences.

Abstract: A method and apparatus for parsing a plurality of documents, selecting paragraphs from the documents through subsuming relation calculation, and rewriting the selected paragraphs into a summary is disclosed.

Abstract: According to one embodiment of the invention, a method includes receiving a search term for a query. The method also includes searching a network of concept terms for terms related to the search term. Additionally, the query is reformulated using the search term and the related terms. A local database is searched for data terms that match the search term and the related terms. The data terms are from documents residing on websites located on servers across a network. Moreover, the method includes retrieving the documents from the websites whose data terms match the search term and the related terms.