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» Indexing Distributed Complex Data for Complex Queries
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EACL
1993
ACL Anthology
15 years 6 months ago
New Frontiers Beyond Context-Freeness: DI-Grammars And DI-Automata
A new class of formal languages will be defined the Distributed Index Languages (DI-languages). The grammar-formalism generating the new class - the DI-grammars - cover unbound de...
Peter Staudacher
134
Voted
COMPGEOM
1994
ACM
15 years 9 months ago
Query-Sensitive Ray Shooting
Ray (segment) shooting is the problem of determining the first intersection between a ray (directed line segment) and a collection of polygonal or polyhedral obstacles. In order t...
Joseph S. B. Mitchell, David M. Mount, Subhash Sur...
133
Voted
SC
1995
ACM
15 years 8 months ago
Index Array Flattening Through Program Transformation
This paper presents techniques for compiling loops with complex, indirect array accesses into loops whose array references have at most one level of indirection. The transformatio...
Raja Das, Paul Havlak, Joel H. Saltz, Ken Kennedy
136
Voted
VLDB
2007
ACM
124views Database» more  VLDB 2007»
15 years 11 months ago
Ad-hoc Top-k Query Answering for Data Streams
A top-k query retrieves the k highest scoring tuples from a data set with respect to a scoring function defined on the attributes of a tuple. The efficient evaluation of top-k q...
Gautam Das, Dimitrios Gunopulos, Nick Koudas, Niko...
ICDE
2010
IEEE
244views Database» more  ICDE 2010»
16 years 4 months ago
Reliable Storage and Querying for Collaborative Data Sharing Systems
The sciences, business confederations, and medicine urgently need infrastructure for sharing data and updates among collaborators' constantly changing, heterogeneous databases...
Nicholas E. Taylor, Zachary G. Ives