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SAICSIT
2010
ACM
13 years 5 months ago
Determining requirements within an indigenous knowledge system of African rural communities
Eliciting and analyzing requirements within knowledge systems, which fundamentally differ so far from technology supported systems represent particular challenges. African rural c...
Heike Winschiers-Theophilus, Nicola J. Bidwell, Sh...
SIGIR
2012
ACM
11 years 10 months ago
To index or not to index: time-space trade-offs in search engines with positional ranking functions
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...
Diego Arroyuelo, Senén González, Mau...
DRM
2005
Springer
14 years 1 months ago
Watermarking and ownership problem: a revisit
Watermarking technologies have been envisioned as a potential means for establishing ownership on digital media objects. However, achievable robustness and false-positive rates of...
Husrev T. Sencar, Nasir D. Memon
JCDL
2004
ACM
198views Education» more  JCDL 2004»
14 years 1 months ago
Finding authoritative people from the web
Today’s web is so huge and diverse that it arguably reflects the real world. For this reason, searching the web is a promising approach to find things in the real world. This ...
Masanori Harada, Shin-ya Sato, Kazuhiro Kazama
CIVR
2007
Springer
195views Image Analysis» more  CIVR 2007»
14 years 1 months ago
Towards optimal bag-of-features for object categorization and semantic video retrieval
Bag-of-features (BoF) deriving from local keypoints has recently appeared promising for object and scene classification. Whether BoF can naturally survive the challenges such as ...
Yu-Gang Jiang, Chong-Wah Ngo, Jun Yang 0003