Extraction and summarization of sentiment information
First Claim
1. Method for extraction and summarization of sentiment information contained in sources of information that is related to a particular research subject, comprising:
- accessing said sources of information that contain said sentiment information that is related to said research subject;
extracting said sentiment information from said sources of information as opinions related to said research subject;
identifying opinion categories related to features of said research subject based upon a determined magnitude of the number of opinions obtained that are related to said opinion categories;
generating a summarization of said sentiment information that comprises said opinion categories; and
providing access to said summarization of said sentiment information for graphical presentation.
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Accused Products
Abstract
Methods and systems for extraction and summarization of sentiment information related to a particular research subject are disclosed. A method includes accessing sources of information that contain sentiment information that is related to the research subject and extracting the sentiment information from the sources of information as opinions related to the research subject. Opinion categories related to features of the research subject are identified. From this information a summarization of the sentiment information that is related to the particular research subject that includes the identified opinion categories is generated. Subsequently, access is provided to the summarization for graphical presentation.
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Citations
20 Claims
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1. Method for extraction and summarization of sentiment information contained in sources of information that is related to a particular research subject, comprising:
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accessing said sources of information that contain said sentiment information that is related to said research subject; extracting said sentiment information from said sources of information as opinions related to said research subject; identifying opinion categories related to features of said research subject based upon a determined magnitude of the number of opinions obtained that are related to said opinion categories; generating a summarization of said sentiment information that comprises said opinion categories; and providing access to said summarization of said sentiment information for graphical presentation. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A computer useable medium having computer useable code embodied therein that when executed causes a computer processor to perform operations comprising:
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retrieving web-based documents that contain opinions that are related to subject matter under research; extracting opinions from said documents that are related to said subject matter that is under research; collecting said opinions as a measure of the collective web-based sentiment related to said subject matter that is registered on the web; and summarizing said opinions according to the most discussed features of said subject matter. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. An apparatus comprising:
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a computer readable memory unit; a processor coupled to said memory unit, said processor for executing a method for extraction and summarization of sentiment information contained in sources of information that is related to a particular research subject, comprising; collecting opinions about said research subject, that are located in documents, from a plurality of web-based sources; categorizing groups of said opinions that are related to a specific feature of said research subject; and distinguishing portions of said groups of said opinions as being either positive, negative or neutral. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification