Efficient query autocompletion with edit distance-based error tolerance
Efficient query autocompletion with edit distance-based error tolerance
复制标题
具有基于编辑距离的容错能力的高效查询自动完成
DOI:
10.1007/s00778-019-00595-4
复制
发表时间:
2019-12
期刊:
影响因子:
--
通讯作者:
Kunihiko Sadakane
中科院分区:
文献类型:
--
作者:
Jianbin Qin;Chuan Xiao;Sheng Hu;Jie Zhang;Wei Wang;Yoshiharu Ishikawa;Koji Tsuda;Kunihiko Sadakane
Query autocompletion is an important feature saving users many keystrokes from typing the entire query. In this paper, we study the problem of query autocompletion that tolerates errors in users’ input using edit distance constraints. Previous approaches index data strings in a trie, and continuously maintain all the prefixes of data strings whose edit distances from.the query string are within the given threshold. The major inherent drawback of these approaches is that the number of such prefixes is huge for the first few characters of the query string and is exponential in the alphabet size. This results in slow query response even if the entire query approximately matches only few prefixes. We propose a novel neighborhood generation-based method to process error-tolerant query autocompletion. Our proposed method only maintains a small set of active nodes, thus saving both space and time to process the query. We also study efficient duplicate removal, a core problem.in fetching query answers, and extend our method to support top-k queries. Optimization techniques are proposed to reduce the index size. The efficiency of our method is demonstrated through extensive experiments on real datasets.
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DOI:
10.1145/2396761.2396812
发表时间:
2012-10
期刊:
Proceedings of the 21st ACM international conference on Information and knowledge management
影响因子:
--
作者:
R. Zhong;Ju Fan;Guoliang Li;K. Tan;Lizhu Zhou
通讯作者:
R. Zhong;Ju Fan;Guoliang Li;K. Tan;Lizhu Zhou
影响因子:
5.3
作者:
通讯作者:
--
DOI:
10.1145/2508020.2508023
发表时间:
2013-08
期刊:
ACM Trans. Database Syst.
影响因子:
--
作者:
Jianbin Qin;Wei Wang-;Chuan Xiao;Yifei Lu;Xuemin Lin;Haixun Wang
通讯作者:
Jianbin Qin;Wei Wang-;Chuan Xiao;Yifei Lu;Xuemin Lin;Haixun Wang
DOI:
10.1145/2588555.2593675
发表时间:
2014-06
期刊:
Proceedings of the 2014 ACM SIGMOD International Conference on Management of Data
影响因子:
--
作者:
Dong Deng;Guoliang Li;Jianhua Feng
通讯作者:
Dong Deng;Guoliang Li;Jianhua Feng
DOI:
10.1145/1526709.1526736
发表时间:
2009-04
期刊:
IEEE Trans. Signal Process.
影响因子:
--
作者:
Huanhuan Cao;Daxin Jiang;Jian Pei;Enhong Chen;Hang Li
通讯作者:
Huanhuan Cao;Daxin Jiang;Jian Pei;Enhong Chen;Hang Li