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PETRA
2009
ACM
15 years 4 months ago
Towards faster activity search using embedding-based subsequence matching
Event search is the problem of identifying events or activity of interest in a large database storing long sequences of activity. In this paper, our topic is the problem of identi...
Panagiotis Papapetrou, Paul Doliotis, Vassilis Ath...
IJCAI
1997
14 years 11 months ago
Toward Structured Retrieval in Semi-structured Information Spaces
A semi-structured information space consists of multiple collections of textual documents containing fielded or tagged sections. The space can be highly heterogeneous, because eac...
Scott B. Huffman, Catherine Baudin
SIGIR
2010
ACM
15 years 1 months ago
Image search by concept map
In this paper, we present a novel image search system, image search by concept map. This system enables users to indicate not only what semantic concepts are expected to appear bu...
Hao Xu, Jingdong Wang, Xian-Sheng Hua, Shipeng Li
EDBT
2011
ACM
225views Database» more  EDBT 2011»
14 years 1 months ago
On (not) indexing quadratic form distance by metric access methods
The quadratic form distance (QFD) has been utilized as an effective similarity function in multimedia retrieval, in particular, when a histogram representation of objects is used...
Tomás Skopal, Tomás Bartos, Jakub Lo...
WWW
2005
ACM
15 years 10 months ago
User-centric Web crawling
Search engines are the primary gateways of information access on the Web today. Behind the scenes, search engines crawl the Web to populate a local indexed repository of Web pages...
Sandeep Pandey, Christopher Olston