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TPHOL
2009
IEEE
16 years 17 days ago
The HOL-Omega Logic
A new logic is posited for the widely used HOL theorem prover, as an extension of the existing higher order logic of the HOL4 system. The logic is extended to three levels, adding ...
Peter V. Homeier
ADBIS
2009
Springer
127views Database» more  ADBIS 2009»
16 years 16 days ago
Window Update Patterns in Stream Operators
Continuous queries applied over nonterminating data streams usually specify windows in order to obtain an evolving –yet restricted– set of tuples and thus provide timely result...
Kostas Patroumpas, Timos K. Sellis
FM
2009
Springer
190views Formal Methods» more  FM 2009»
16 years 15 days ago
Dynamic Classes: Modular Asynchronous Evolution of Distributed Concurrent Objects
Abstract. Many long-lived and distributed systems must remain available yet evolve over time, due to, e.g., bugfixes, feature extensions, or changing user requirements. To facilit...
Einar Broch Johnsen, Marcel Kyas, Ingrid Chieh Yu
SLE
2009
Springer
16 years 14 days ago
Ontological Metamodeling with Explicit Instantiation
Model Driven Engineering (MDE) is a promising paradigm for development. It raises the level of abstraction in software development by treating models as primary artifacts. The prac...
Alfons Laarman, Ivan Kurtev
DOLAP
2009
ACM
16 years 13 days ago
A taxonomy of ETL activities
Extract-Transform-Load (ETL) activities are software modules responsible for populating a data warehouse with operational data, which have undergone a series of transformations on...
Panos Vassiliadis, Alkis Simitsis, Eftychia Baikou...