The role of materialized views is becoming vital in today’s distributed Data warehouses. Materialization is where parts of the data cube are pre-computed. Some of the real time distributed architectures are maintaining materialization transparencies in the sense the users are not known with the materialization at a node. Usually what all followed by them is a cache maintenance mechanism where t...

Materialization is a useful abstraction pattern that can be identified in many application settings. Intuitively, materialization is the relationship between a class of categories (e.g., models of cars) and a class of more concrete objects (e.g., individual cars). This paper gives a quasi-formal semantic definition of materialization in terms of the usual is-a and isof abstractions, and of a cl...

In order to establish patterns of materialization of the beliefs we are going to consider that these have defined mathematical structures. It will allow us to understand better processes of the textual, architectonic, normative, educative, etc., materialization of an ideology. The materialization is the conversion by means of certain mathematical correspondences, of an abstract set whose elemen...

What is materiality? And is it of a different order from semiosis? In this commentary I reflect on the place of materiality—that quality of material phenomena—and materialization—the processes by which such qualities are actualized in social life—in Matthew Hull’s brilliant book, Government of paper (GoP). The analytic materiality is central to Hull’s ethnography, both theoretically (it informs...

View materialization is a well-known optimization technique of relational database systems. In this work we present a similar, yet more powerful optimization concept for object-oriented data models: function materialization. Exploiting the object-oriented paradigm|namely classi cation, object identity , and encapsulation|facilitates a rather easy incorporation of function materialization into (...

Materialization is an important reasoning service for applications built on theWeb Ontology Language (OWL). To make materialization efficient in practice, current research focuses on deciding tractability of an ontology language and designing parallel reasoning algorithms. However, some well-known large-scale ontologies, such as YAGO, have been shown to have good performance for parallel reason...

This paper presents a novel approach, QSMat, for efficient RDF data stream querying with flexible query-based materialization. Previous work accelerates either the maintenance of a stream window materialization or the evaluation of a query over the stream. QSMat exploits knowledge of a given query and entailment rule-set to accelerate window materialization by avoiding inferences that provably ...

ion Refinement Markus Brenner and Birte Glimm University of Ulm, Germany, [email protected] Abstract. Abstraction refinement is a recently introduced technique Abstraction refinement is a recently introduced technique which allows for reducing materialization of an ontology with a large ABox to materialization of a smaller (compressed) ‘abstraction’ of this ontology. In this p...