Acta Scientiarum Naturalium Universitatis Pekinensis ›› 2016, Vol. 52 ›› Issue (1): 120-126.DOI: 10.13209/j.0479-8023.2016.008

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Similar Spatial Textual Objects Retrieval Strategy

GU Yanhui1,2, WANG Daosheng3, WANG Yonggen1,2, LONG Yunfei4, JIANG Suoliang1,2, ZHOU Junsheng1,2, QU Weiguang1,2   

  1. 1. School of Computer Science and Technology, Nanjing Normal University, Nanjing 210023
    2. Jiangsu Research Center of Information Security & Privacy Technology, Nanjing 210023
    3. School of Chinese Language and Culture, Nanjing 210097
    4. Department of Computing, The Hong Kong Polytechnic University, Hong Kong
  • Received:2015-06-19 Online:2016-01-20 Published:2016-01-20
  • Contact: GU Yanhui, E-mail: gu(at)njnu.edu.cn

基于空间短文本对象的检索策略

顾彦慧1,2, 王道胜3, 王永根1,2, 龙云飞4, 蒋锁良1,2, 周俊生1,2, 曲维光1,2#br#   

  1. 1. 南京师范大学计算机科学与技术学院, 南京 210023
    2. 江苏省信息安全保密技术工程研究中心, 南京 210023
    3. 南京师范大学文学院, 南京 210097
    4. 香港理工大学电子计算学系, 香港
  • 通讯作者: 顾彦慧, E-mail: gu(at)njnu.edu.cn
  • 基金资助:
    国家自然科学基金(61272221, 61472191)、国家社会科学基金(11CYY030, 10CYY021)、江苏省社会科学基金(12YYA002)和江苏省高校自然科学基金(14KJB520022)资助

Abstract:

Based on the efficiency and effectiveness issue of traditional simiar spatial textual objects retrieval, a semantic aware strategy which can effectively and efficiently retrieve the top-k similar spatial textal objects is proposed. The efficient retrieval strategy which is based on spatial textual objects is built on a common framework of spatial object retrieval, and it can satisfy the efficiency and effectiveness issues of users. Extensive experimental evaluation demonstrates that the performance of the proposed method outperforms the state-of-the-art approach.

Key words: spatial textual object, semantic similar, top-k

摘要: 针对传统空间文本检索策略中的效率和有效性问题, 对如何从给定的空间文本对象集合中快速有效地检索出top-k个近似结果进行研究。基于一个空间检索的通用框架, 提出一种基于空间文本对象的快速策略, 用于满足用户对效率与有效性的要求。实验结果证明该策略优于现有方法。

关键词: 空间文本对象, 语义相似, top-k

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