A knowledge-extraction approach to identify and present verbatim quotes in free text
|A knowledge-extraction approach to identify and present verbatim quotes in free text|
|Author(s)||Paass G., Bergholz A., Pilz A.|
|Published in||ACM International Conference Proceeding Series|
|Keyword(s)||Information extraction application, Relation Extraction (Extra: Free texts, Grammatical information, Information Extraction, Knowledge extraction, Relation extraction, Web servers, Wikipedia, Knowledge management, Search engines, Algorithms)|
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A knowledge-extraction approach to identify and present verbatim quotes in free text is a 2012 conference paper written in English by Paass G., Bergholz A., Pilz A. and published in ACM International Conference Proceeding Series.
In news stories verbatim quotes of persons play a very important role, as they carry reliable information about the opinion of that person concerning specific aspects. As thousands of new quotes are published every hour it is very difficult to keep track of them. In this paper we describe a set of algorithms to solve the knowledge management problem of identifying, storing and accessing verbatim quotes. We handle the verbatim quote task as a relation extraction problem from unstructured text. Using a workflow of knowledge extraction algorithms we provide the required features for the relation extraction algorithm. The central relation extraction procedures is trained using manually annotated documents. It turns out that structural grammatical information is able to improve the F-vale for verbatim quote detection to 84.1%, which is sufficient for many exploratory applications. We present the results in a smartphone app connected to a web server, which employs a number of algorithms like linkage to Wikipedia, topics extraction and search engine indices to provide a flexible access to the extracted verbatim quotes.
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