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» Algorithms for Querying by Spatial Structure
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SIGMOD
2007
ACM
178views Database» more  SIGMOD 2007»
16 years 17 days ago
Quality is in the eye of the beholder: towards user-centric web-databases
The proliferation of database-driven web sites (or web-databases) has brought upon a plethora of applications where both Quality of Service (QoS) and Quality of Data (QoD) are of ...
Huiming Qu, Jie Xu, Alexandros Labrinidis
SSDBM
2005
IEEE
148views Database» more  SSDBM 2005»
15 years 6 months ago
A Fast Approximation Scheme for Probabilistic Wavelet Synopses
Several studies have demonstrated the effectiveness of Haar wavelets in reducing large amounts of data down to compact wavelet synopses that can be used to obtain fast, accurate a...
Antonios Deligiannakis, Minos N. Garofalakis, Nick...
144
Voted
SIGIR
2012
ACM
13 years 2 months ago
Fighting against web spam: a novel propagation method based on click-through data
Combating Web spam is one of the greatest challenges for Web search engines. State-of-the-art anti-spam techniques focus mainly on detecting varieties of spam strategies, such as ...
Chao Wei, Yiqun Liu, Min Zhang, Shaoping Ma, Liyun...
187
Voted
GIS
2008
ACM
16 years 1 months ago
Qualitative geocoding of persistent web pages
Information and specifically Web pages may be organized, indexed, searched, and navigated using various metadata aspects, such as keywords, categories (themes), and also space. Wh...
Albert Angel, Chara Lontou, Dieter Pfoser, Alexand...
110
Voted
NIPS
1996
15 years 1 months ago
Maximum Likelihood Blind Source Separation: A Context-Sensitive Generalization of ICA
In the square linear blind source separation problem, one must nd a linear unmixing operator which can detangle the result xi(t) of mixing n unknown independent sources si(t) thro...
Barak A. Pearlmutter, Lucas C. Parra