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GRAMMARS
2000
100views more  GRAMMARS 2000»
13 years 7 months ago
Tabulation of Automata for Tree-Adjoining Languages
Abstract. We propose a modular design of tabular parsing algorithms for treeadjoining languages. The modularity is made possible by a separation of the parsing strategy from the me...
Miguel A. Alonso, Mark-Jan Nederhof, Eric Villemon...
POPL
2006
ACM
14 years 8 months ago
A hierarchical model of data locality
In POPL 2002, Petrank and Rawitz showed a universal result-finding optimal data placement is not only NP-hard but also impossible to approximate within a constant factor if P = NP...
Chengliang Zhang, Chen Ding, Mitsunori Ogihara, Yu...
PVLDB
2008
154views more  PVLDB 2008»
13 years 7 months ago
Indexing land surface for efficient kNN query
The class of k Nearest Neighbor (kNN) queries is frequently used in geospatial applications. Many studies focus on processing kNN in Euclidean and road network spaces. Meanwhile, ...
Cyrus Shahabi, Lu-An Tang, Songhua Xing
CCS
2008
ACM
13 years 10 months ago
Towards an efficient and language-agnostic compliance checker for trust negotiation systems
To ensure that a trust negotiation succeeds whenever possible, authorization policy compliance checkers must be able to find all minimal sets of their owners' credentials tha...
Adam J. Lee, Marianne Winslett
COMSWARE
2007
IEEE
14 years 2 months ago
Distributed Fault-Tolerant Topology Control in Static and Mobile Wireless Sensor Networks
— In wireless sensor networks, minimizing power consumption and at the same time maintaining desired properties in the network topology is of prime importance. In this work, we p...
Indranil Saha, Lokesh Kumar Sambasivan, Ranjeet Ku...