Sciweavers

1146 search results - page 61 / 230
» Semantics of Data Streams and Operators
Sort
View
FAST
2009
15 years 1 months ago
Towards Semantics for Provenance Security
Provenance records the history of data. Careless use of provenance may violate the security policies of data. Moreover, the provenance itself may be sensitive information, necessi...
Stephen Chong
MM
2005
ACM
123views Multimedia» more  MM 2005»
15 years 9 months ago
Early versus late fusion in semantic video analysis
Semantic analysis of multimodal video aims to index segments of interest at a conceptual level. In reaching this goal, it requires an analysis of several information streams. At s...
Cees Snoek, Marcel Worring, Arnold W. M. Smeulders
CORR
2011
Springer
165views Education» more  CORR 2011»
14 years 7 months ago
Data Base Mappings and Theory of Sketches
In this paper we will present the two basic operations for database schemas used in database mapping systems (separation and Data Federation), and we will explain why the functoria...
Zoran Majkic
SBMF
2010
Springer
149views Formal Methods» more  SBMF 2010»
14 years 10 months ago
Reasoning about Assignments in Recursive Data Structures
This paper presents a framework to reason about the eects of assignments in recursive data structures. We dene an operational semantics for a core language based on Meyer's id...
Alejandro Tamalet, Ken Madlener
EDBT
2009
ACM
136views Database» more  EDBT 2009»
15 years 10 months ago
Rule-based multi-query optimization
Data stream management systems usually have to process many long-running queries that are active at the same time. Multiple queries can be evaluated more efficiently together tha...
Mingsheng Hong, Mirek Riedewald, Christoph Koch, J...