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VLDB
2004
ACM
163views Database» more  VLDB 2004»
15 years 9 months ago
Compressing Large Boolean Matrices using Reordering Techniques
Large boolean matrices are a basic representational unit in a variety of applications, with some notable examples being interactive visualization systems, mining large graph struc...
David S. Johnson, Shankar Krishnan, Jatin Chhugani...
VLDB
2004
ACM
187views Database» more  VLDB 2004»
15 years 9 months ago
Voronoi-Based K Nearest Neighbor Search for Spatial Network Databases
A frequent type of query in spatial networks (e.g., road networks) is to find the K nearest neighbors (KNN) of a given query object. With these networks, the distances between ob...
Mohammad R. Kolahdouzan, Cyrus Shahabi
VLDB
2004
ACM
227views Database» more  VLDB 2004»
15 years 9 months ago
Approximate NN queries on Streams with Guaranteed Error/performance Bounds
In data stream applications, data arrive continuously and can only be scanned once as the query processor has very limited memory (relative to the size of the stream) to work with...
Nick Koudas, Beng Chin Ooi, Kian-Lee Tan, Rui Zhan...
CHI
2010
ACM
15 years 9 months ago
The true cost of unusable password policies: password use in the wild
HCI research published 10 years ago pointed out that many users cannot cope with the number and complexity of passwords, and resort to insecure workarounds as a consequence. We pr...
Philip Inglesant, Martina Angela Sasse
AINA
2003
IEEE
15 years 9 months ago
A Safe Multiple Access-Rates Transmission (SMART) Scheme for IEEE 802.11 Wireless Networks
Abstract— The IEEE 802.11 standard and enhanced amendments have defined fourteen transmission rates (1/2/5.5/6/9/11/12/ 18/22/24/33/36/48/54 Mb/s) for mobile stations to transmi...
Shiann-Tsong Sheu, Jenhui Chen, Hsueh-Wen Tseng, H...
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