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» Partial Matching by Structural Descriptors
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EDBT
2006
ACM
106views Database» more  EDBT 2006»
14 years 7 months ago
DPTree: A Distributed Pattern Tree Index for Partial-Match Queries in Peer-to-Peer Networks
Abstract. Partial-match queries return data items that contain a subset of the query keywords and order the results based on the statistical properties of the matched keywords. The...
Dyce Jing Zhao, Dik Lun Lee, Qiong Luo
AAAI
2006
13 years 9 months ago
Automatic Wrapper Generation Using Tree Matching and Partial Tree Alignment
This paper is concerned with the problem of structured data extraction from Web pages. The objective of the research is to automatically segment data records in a page, extract da...
Yanhong Zhai, Bing Liu
CIKM
2009
Springer
14 years 3 days ago
Space-economical partial gram indices for exact substring matching
Exact substring matching queries on large data collections can be answered using q-gram indices, that store for each occurring q-byte pattern an (ordered) posting list with the po...
Nan Tang, Lefteris Sidirourgos, Peter A. Boncz
ICPR
2010
IEEE
13 years 5 months ago
Improving SIFT-based Descriptors Stability to Rotations
Image descriptors are widely adopted structures to match image features. SIFT-based descriptors are collections of gradient orientation histograms computed on different feature re...
Fabio Bellavia, Domenico Tegolo, Emanuele Trucco
CVPR
2009
IEEE
2452views Computer Vision» more  CVPR 2009»
15 years 2 months ago
CHoG: Compressed Histogram of Gradients: A Low Bit-Rate Feature Descriptor
Establishing visual correspondences is an essential component of many computer vision problems, and is often done with robust, local feature-descriptors. Transmission and storag...
Vijay Chandrasekhar (Stanford University), Gabriel...