JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2015, Vol. 50 ›› Issue (07): 76-79.doi: 10.6040/j.issn.1671-9352.3.2014.217

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Improvement of Lucene full-text indexing efficiency

LI Sheng-dong1, LÜ Xue-qiang2, SUN Jun3, SHI Shui-cai2,4   

  1. 1. Department of Computer Engineering, Langfang Yanjing Polytechnic College, Langfang 065200, Hebei, China;
    2. Beijing Key Laboratory of Internet Culture and Digital Dissemination Research, Beijing Information Science and Technology University, Beijing 100101, China;
    3. North China Institute of Aerospace Engineering, Langfang 065000, Hebei, China;
    4. Beijing TRS Information Technology Co., Ltd., Beijing 100101, China
  • Received:2014-10-20 Online:2015-07-20 Published:2015-07-31

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Abstract: Lucene is an excellent open-source full-text search technology framework that can be well embedded in its own search engine by expanding its functions in accordance with the framework specification. Lucene index structure and principles were studied, and the efficiency of indexing was enhanced by improving incremental indexing, increasing the size of index buffer in memory and decreasing the frequency of writing index to disk. A full-text retrieval experiments were designed. As a result, the average efficiency of creating index for 10 000 documents has been improved by 19.5%, and the method has good prospects.

Key words: full-text index, full-text retrieval, information retrieval, efficiency

CLC Number: 

  • TP393
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