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» SIGA, a System to Manage Information Retrieval Evaluations
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160
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SOUPS
2010
ACM
15 years 5 months ago
A closer look at recognition-based graphical passwords on mobile devices
Graphical password systems based on the recognition of photographs are candidates to alleviate current over-reliance on alphanumeric passwords and PINs. However, despite being bas...
Paul Dunphy, Andreas P. Heiner, N. Asokan
SIGCOMM
2009
ACM
15 years 8 months ago
A standalone content sharing application for spontaneous communities of mobile handhelds
This demo illustrates the benefits of BitHoc, a standalone protocol for content sharing among spontaneous communities of mobile handhelds using wireless multi-hop connections. Bi...
Amir Krifa, Mohamed Karim Sbai, Chadi Barakat, Thi...
101
Voted
APN
2007
Springer
15 years 8 months ago
History-Dependent Petri Nets
Most information systems that are driven by process models (e.g., workflow management systems) record events in event logs, also known as transaction logs or audit trails. We cons...
Kees M. van Hee, Alexander Serebrenik, Natalia Sid...
139
Voted
SIGMOD
1999
ACM
125views Database» more  SIGMOD 1999»
15 years 6 months ago
Selectivity Estimation in Spatial Databases
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
Swarup Acharya, Viswanath Poosala, Sridhar Ramaswa...
CIKM
2007
Springer
15 years 8 months ago
Optimal proactive caching in peer-to-peer network: analysis and application
As a promising new technology with the unique properties like high efficiency, scalability and fault tolerance, Peer-toPeer (P2P) technology is used as the underlying network to b...
Weixiong Rao, Lei Chen 0002, Ada Wai-Chee Fu, Ying...