Electronics and Telecommunications Research Institute

Yong-Jin Bae

Jeong Mu Heo

Myung-Gil Jang

Hyun-Ki Kim

Soo-Jong Lim

Mi-Ran Choi

Hyun Soo Kim

Sang-Kyu Park

Hyo-Jung Oh

Yeo-Chan Yoon

Hyung-Jik Lee

Min-Ho Kim

Chung-hee Lee

Joon-Ho Lim

Yoon-Jae Choi

Ji-Hee Ryu

Yo-Han Jo

Kyung-Man Bae

Pum-Mo Ryu

Disclosed herein are an apparatus and method for providing a search service based on important sentences. The apparatus for providing a search service based on important sentences includes memory in which at least one program and a previously trained word importance measurement model are recorded and a processor for executing the program. The program may include a word importance measurement unit for measuring the importance of each of multiple words included in input text in the corresponding input text based on the word importance measurement model and a sentence importance measurement unit for measuring the importance of each of at least one sentence included in the text based on the measured importance of each of the multiple words.

Apparatus and method for providing indexing and search service based on important sentence

The present invention is to provide an apparatus for searching information based on Wikipedia's contents comprising: a document converting part extracting fulltext documents, section title documents, info-box documents, category documents and definition statement documents from Wikipedia original documents and generating at least one of Wikipedia documents for questions and answers; a document indexing part analyzing the Wikipedia document for questions and answers, extracting POS-based index terms from the Wikipedia document for questions and answers, and generating a Wikipedia document index for questions and answers; a question analyzing part receiving a natural language question, analyzing a question pattern, an answer pattern and a question focus from the natural language question, and extracting document search keywords; a document searching part performing document search by using the document search keywords from the Wikipedia document index for questions and answers and generating document search result from each Wikipedia document index for questions and answers; an answer extracting part extracting first answers by using information about the question pattern, the answer pattern and the question focus from the document search result; and an answer integrating part integrating and prioritizing the first answer and generating a second answer.

Apparatus and method for searching information based on Wikipedia's contents

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Daejeon, South Korea

Yong-Jin Bae