نتایج جستجو برای: operational database
تعداد نتایج: 342055 فیلتر نتایج به سال:
In this paper we start the design of a functional-logic deductive database language. Given that most logic deductive languages consider bottom-up evaluation as operational mechanism, here we will focus on the development of an operational semantics based on bottomup evaluation for functional logic languages. As in the logic paradigm, the bottom-up evaluation will consist in a magic transformati...
To date, the BaBar experiment has stored over 0.7PB of data in an Objectivity/DB database. Approximately half this data-set comprises simulated data of which more than 70% has been produced at more than 20 collaborating institutes outside of SLAC. The operational aspects of managing such a large data set and providing access to the physicists in a timely manner is a challenging and complex prob...
Prototype databases are needed in any information system development process to support data-intensive applications development. It is common practice to populate these databases using synthetic data. This data usually bears little relation to the application's domain and considers only a very reduced subset of the integrity constraints the database will hold during operation. This paper claims...
The Semantic Web aims at building cross-domain and distributed databases across the Internet. SPARQL is a standard query language for such databases. Evaluating such queries is however NP-hard. We model SPARQL queries in a declarative way, by means of CSPs. A CP operational semantics is proposed. It can be used for a direct implementation in existing CP solvers. To handle large databases, we in...
The taxonomically broad organelle genome database (GOBASE) organizes and integrates diverse data related to organelles (mitochondria and chloroplasts). The current version of GOBASE focuses on the mitochondrial subset of data and contains molecular sequences, RNA secondary structures and genetic maps, as well as taxonomic information for all eukaryotic species represented. The database has been...
The success of cloud computing as a platform for deploying webapplications has led to a deluge of applications characterized by small data footprints but unpredictable access patterns. An autonomic and scalablemultitenant database management system (DBMS) is therefore an important component of the software stack for platforms supporting these applications. Elastic load balancing is a key requir...
The success of cloud computing as a platform for deploying webapplications has led to a deluge of applications characterized by small data footprints with unpredictable access patterns. A scalable multitenant database management system (DBMS) is therefore an important component of the software stack for platforms supporting these applications. Elastic load balancing and efficient database migra...
This paper proposes a solution to the movie database case [3] of the Transformation Tool Contest 2014. The objective of the movie database case is to derive a set of performance results that indicate the ability of model transformation languages to process large models with millions of objects. The case study is based on the IMDb movie database that stores information about movies, actors, actr...
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