379 search results - page 64 / 76 » Order in Space: A General Formalism for Spatial Reasoning |
LDTA
2010
13 years 7 months ago
2010
Real programming languages are often defined using ambiguous context-free grammars. Some ambiguity is intentional while other ambiguity is accidental. A good grammar development e...
PODS
1995
ACM
13 years 10 months ago
1995
ACM
Databases are often incomplete because of the presence of disjunctive information, due to con icts, partial knowledge and other reasons. Queries against such databases often ask q...
GIS
2009
ACM
14 years 1 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
POPL
2006
ACM
14 years 7 months ago
2006
ACM
This paper defines an object-oriented language with harmless aspect-oriented advice. A piece of harmless advice is a computation that, like ordinary aspect-oriented advice, execut...
TOPLAS
2008
13 years 6 months ago
2008
act Interpretation C. BERNARDESCHI, N. DE FRANCESCO, G. LETTIERI, L. MARTINI, and P. MASCI Universit`a di Pisa Bytecode verification is a key point in the security chain of the Jav...