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» An Evaluation Technique for Binarization Algorithms
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ITICSE
2004
ACM
16 years 7 days ago
SQLator: an online SQL learning workbench
SQL (Structured Query Language) is one of the essential topics in foundation databases courses in higher education. Due to its apparent simple syntax, learning to use the full pow...
Shazia Wasim Sadiq, Maria E. Orlowska, Wasim Sadiq...
WSDM
2010
ACM
259views Data Mining» more  WSDM 2010»
16 years 4 months ago
Revisiting Globally Sorted Indexes for Efficient Document Retrieval
There has been a large amount of research on efficient document retrieval in both IR and web search areas. One important technique to improve retrieval efficiency is early termina...
Fan Zhang, Shuming Shi, Hao Yan, Ji-Rong Wen
EDBT
2009
ACM
208views Database» more  EDBT 2009»
16 years 1 months ago
Flexible and efficient querying and ranking on hyperlinked data sources
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
Ramakrishna Varadarajan, Vagelis Hristidis, Louiqa...
MOBIHOC
2012
ACM
13 years 9 months ago
EV-Loc: integrating electronic and visual signals for accurate localization
Nowadays, an increasing number of objects can be represented by their wireless electronic identifiers. For example, people can be recognized by their phone numbers or their phone...
Boying Zhang, Jin Teng, Junda Zhu, Xinfeng Li, Don...

Presentation
945views
15 years 4 months ago
On the use of discrete Pascal transform in hiding data in images
The Discrete Pascal Transform (DPT) has been proved remarkably useful for edge detection, filter design, discrete-time signal interpolation and data hiding. In the present work a n...