Abstract:The increasing volume of semantic content available in the Web, generally classified by concept hierarchies or simple ontologies, turns the searching and reasoning upon these data a great challenge. Generally, a search in Semantic Web may not be addressed to a specific document, but to a group of data classified in the same concept. Several structures used to distribute data, e.g. P2P networks, use hash values to identify these data, without maintaining the semantic values of the stored data. This paper contri… Show more
“…The locality-sensitive hashing algorithm, as the effective method to deal with the nearest neighbor search (NNS) problem, is widely used in many applications, like image retrieval, [10][11][12][13] classification, [14,15] copy detection, [16,17] association rule mining, [18] and three-dimensional (3D) object indexing. [19] The most significant feature of LSH is that the construction of hash functions in LSH is dependent on diverse similarity metrics.…”
Section: Related Workmentioning
confidence: 99%
“…Choosing more appropriate hash functions to better partition the vector space plays an important role in the LSH's performance. [38] Cao et al [14] brought forward two improved LSH algorithms based on a weakly supervised learning technique. The first one selected the most appropriate hash functions based on sample pairs labeled with "similar" or "dissimilar".…”
Improved locality-sensitive hashing method for the approximate nearest neighbor problemLu Ying-Hua(陆颖华) a) , Ma Ting-Huai(马廷淮) a)b) † , Zhong Shui-Ming(钟水明) a) , Cao Jie(曹 杰) c) , Wang Xin(王 新) d) , and Abdullah Al-Dhelaan e)
“…The locality-sensitive hashing algorithm, as the effective method to deal with the nearest neighbor search (NNS) problem, is widely used in many applications, like image retrieval, [10][11][12][13] classification, [14,15] copy detection, [16,17] association rule mining, [18] and three-dimensional (3D) object indexing. [19] The most significant feature of LSH is that the construction of hash functions in LSH is dependent on diverse similarity metrics.…”
Section: Related Workmentioning
confidence: 99%
“…Choosing more appropriate hash functions to better partition the vector space plays an important role in the LSH's performance. [38] Cao et al [14] brought forward two improved LSH algorithms based on a weakly supervised learning technique. The first one selected the most appropriate hash functions based on sample pairs labeled with "similar" or "dissimilar".…”
Improved locality-sensitive hashing method for the approximate nearest neighbor problemLu Ying-Hua(陆颖华) a) , Ma Ting-Huai(马廷淮) a)b) † , Zhong Shui-Ming(钟水明) a) , Cao Jie(曹 杰) c) , Wang Xin(王 新) d) , and Abdullah Al-Dhelaan e)
“…In this paper localitysensitive hashing (LSH) will be used to prune the number of pairs which have to be compared. LSH has been used earlier in the context of ontologies, for instance by de Paula et al [1] who used the LSH technique to group similar concepts together, mainly aiming at a faster retrieval speed. A recent article by Duan et al [2] also uses LSH for the matching of ontologies.…”
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