1 HawkingD. Challenges in enterprise search[C]// Proceedings of the 15th Australasian Database Conference, Dunedin, New Zealand, 2004, 27: 15-24. 2 CarpinetoC, RomanoG. A survey of automatic query expansion in information retrieval[J]. ACM Computing Surveys, 2012, 44(1): 1-50. 3 MukherjeeR, MaoJ. Enterprise search: Tough stuff[J]. Queue, 2004, 2(2): 36. 4 JansenB J, BoothD L, SpinkA. Determining the informational, navigational, and transactional intent of Web queries[J]. Information Processing & Management, 2008, 44(3): 1251-1266. 5 BrinS, PageL. Reprint of: The anatomy of a large-scale hyper textual web search engine[J]. Computer networks, 2012, 56(18): 3825-3833. 6 KleinbergJ M. Authoritative sources in a hyperlinked environment[J]. Journal of the ACM, 1999, 46(5): 604-632. 7 LiZ J, RaskinV, RamaniK. Developing ontologies for engineering information retrieval[C]// Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASME, 2007, 2: 737-745. 8 EfthimiadisE N, BironP V. Ucla-Okapi at Trec-2: Query expansion experiments[C]// Proceedings of the Second Text Retrieval Conference, 1993: 278-290. 9 MaronM E, KuhnsJ L. On relevance, probabilistic indexing and information retrieval[J]. Journal of the ACM, 1960, 7(3): 216-244. 10 LeskM E. Word-word associations in document retrieval systems[J]. American Documentation, 1969, 20(1): 27-38. 11 MinkerJ, WilsonG A, ZimmermanB H. An evaluation of query expansion by the addition of clustered terms for a document retrieval system[J]. Information Storage and Retrieval. 1972, 8(6): 329-348. 12 HarperD J, van RijsbergenC J. An evaluation of feedback in document retrieval using co-occurrence data[J]. Journal of Documentation, 1978, 34(3): 189-216. 13 QiuY G, FreiH P. Concept based query expansion[C]// Proceedings of the 16th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. New York: ACM Press, 1993: 160-169. 14 JingY F, CroftW B. An association thesaurus for information retrieval[R]// An Association Thesaurus for Information Retrieval. Amhers: University of Massachusetts, 1994, 1: 146-160. 15 DeerwesterS, DumaisS T, FurnasG W, et al. Indexing by latent semantic analysis[J]. Journal of the American Society for Information Science, 1990, 41(6): 391-407. 16 AttarR, FraenkelA S. Local feedback in full-text retrieval systems[J]. Journal of the ACM, 1977, 24(3): 397-417. 17 RocchioJ J. Relevance feedback in information retrieval[M]// Salton G. The Smart Retrieval System-Experiments in Automatic Document Processing. Prentice-Hall, 1971: 313-323. 18 张一洲. 基于VSM和偏好本体的个性化信息检索技术的研究[J]. 情报学报, 2015, 34(7): 711-716. 19 李纲, 毛进, 芦昆. 医学信息检索中一种基于概念的查询相关模型[J]. 情报学报, 2014, 33(3): 239-249. 20 RobertsonS E, JonesK S. Relevance weighting of search terms[J]. Journal of the Association for Information Science and Technology, 1976, 27(3): 129-146. 21 LaffertyJ, ZhaiC X. Document language models, query models, and risk minimization for information retrieval[J]. ACM SIGIR Forum, 2017, 51(2): 251-259. 22 LavrenkoV, CroftW B. Relevance based language models[C]// Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. New York: ACM Press, 2001: 120-127. 23 ZhaiC X, LaffertyJ. Model-based feedback in the language modeling approach to information retrieval[C]// Proceedings of the Tenth International Conference on Information and Knowledge Management. New York: ACM Press, 2001: 403-410. 24 XuJ X, CroftW B. Query expansion using local and global document analysis[J]. ACM SIGIR Forum, 2017, 51(2): 168-175. 25 FonsecaB M, GolgherP B, De MouraE S, et al. Discovering search engine related queries using association rules[J]. Journal of Web Engineering, 2003, 2(4): 215-227. 26 Mart??n-BautistaM J, SánchezD, Chamorro-Mart??nezJ, et al. Mining web documents to find additional query terms using fuzzy association rules[J]. Fuzzy Sets and Systems, 2004, 148(1): 85-104. 27 崔航, 文继荣, 李敏强. 基于用户日志的查询扩展统计模型[J]. 软件学报, 2003, 14(9): 1593-1599. 28 黄名选, 严小卫, 张师超. 查询扩展技术进展与展望[J]. 计算机应用与软件, 2007, 24(11): 1-4. 29 李洁, 丁颖. 语义网、语义网格和语义网络[J]. 计算机与现代化, 2007(7): 38-41. 30 Al-HawamdehS. Knowledge management: Cultivating knowledge professionals[M]. Oxford: Chandos Publishing, 2003: 199-216.