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...

Optimizing queries using materialized views has not been addressed adequately in the context of XML due to the many limitations associated with the definition and usability of materialized views in traditional XML query evaluation models. In this paper, we address the XML query optimization problem using materialized views in the framework of the inverted lists evaluation model which has been e...

Many variations of algorithms for finding the shortest path in a large graph have been introduced recently due to the needs of applications like the Geographic Information System (GIS) or Intelligent Transportation System (ITS). The primary subjects of those algorithms are materialization and hierarchical path views. Some studies focus on the materialization and sacrifice the pre-computational ...

We propose OptIQ, a query optimization approach for iterative queries in distributed environment. OptIQ removes redundant computations among different iterations by extending the traditional techniques of view materialization and incremental view evaluation. First, OptIQ decomposes iterative queries into invariant and variant views, and materializes the former view. Redundant computations are r...

It is widely recognized that production rules in database systems can be used to automatically maintain derived data such as views. However, writing a correct set of rules for e ciently maintaining a given view can be a di cult and ad-hoc process. We provide a facility whereby a user de nes a view as an SQL select expression, from which the system automatically derives set-oriented production r...

It is widely recognized that production rules in database systems can be used to automatically maintain derived data such as views. However, writing a correct set of rules for eeciently maintaining a given view can be a dii-cult and ad-hoc process. We provide a facility whereby a user deenes a view as an SQL select expression, from which the system automatically derives set-oriented production ...

Materialized views, a rdbms silver bullet, demonstrate its efficacy in many applications, especially as a data warehousing/decison support system tool. The pivot of playing materialized views efficiently is view selection. Though studied for over thirty years in rdbms, the selection is hard to make in the context of xml databases, where both the semi-structured data and the expressiveness of xm...

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...

Integrating data and knowledge from multiple heterogeneous sources-like databases, knowledge bases or speciic software packages-is often required for answering certain queries. Recently, a powerful framework for deening mediated views spanning multiple knowledge bases by a set of constrained rules was proposed 26, 4, 17]. We investigate the materialization of these views by unfolding the view d...