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2,946
View Maintenance in a Warehousing Environment
- IN PROCEEDINGS OF SIGMOD
, 1995
"... A warehouse is a repository of integrated information drawn from remote data sources. Since a warehouse effectively implements materialized views, we must maintain the views as the data sources are updated. This view maintenance problem differs from the traditional one in that the view definition an ..."
Abstract
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Cited by 295 (23 self)
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A warehouse is a repository of integrated information drawn from remote data sources. Since a warehouse effectively implements materialized views, we must maintain the views as the data sources are updated. This view maintenance problem differs from the traditional one in that the view definition
Algorithms for Deferred View Maintenance
- In SIGMOD
, 1997
"... Materialized views and view maintenance are important for data warehouses, retailing, banking, and billing applications. We consider two related view maintenance problems: 1) how to maintain views after the base tables have already been modified, and 2) how to minimize the time for which the view is ..."
Abstract
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Cited by 100 (5 self)
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Materialized views and view maintenance are important for data warehouses, retailing, banking, and billing applications. We consider two related view maintenance problems: 1) how to maintain views after the base tables have already been modified, and 2) how to minimize the time for which the view
Efficient View Maintenance at Data Warehouses
- In Proceedings of SIGMOD
, 1997
"... We present incremental view maintenance algorithms for a data warehouse derived from multiple distributed autonomous data sources. We begin with a detailed framework for analyzing view maintenance algorithms for multiple data sources with concurrent updates. Earlier approaches for view maintenance i ..."
Abstract
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Cited by 112 (9 self)
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We present incremental view maintenance algorithms for a data warehouse derived from multiple distributed autonomous data sources. We begin with a detailed framework for analyzing view maintenance algorithms for multiple data sources with concurrent updates. Earlier approaches for view maintenance
View Maintenance in Mobile Computing
, 1995
"... this paper is to outline the major issues related to maintaining personalized views in a network of fixed and mobile computers. Although the issue of view maintenance has been studied extensively in the literature (see [1] for surveys), our research concentrates on new problems introduced by distrib ..."
Abstract
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Cited by 6 (0 self)
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this paper is to outline the major issues related to maintaining personalized views in a network of fixed and mobile computers. Although the issue of view maintenance has been studied extensively in the literature (see [1] for surveys), our research concentrates on new problems introduced
Deriving Production Rules for Incremental View Maintenance
- In Proceedings of the Seventeenth International Conference on Very Large Data Bases
, 1991
"... . 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 efficiently maintaining a given view can be a difficult and ad-hoc process. We provide a facility whereby a user defines a ..."
Abstract
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Cited by 238 (25 self)
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a view as an SQL select expression, from which the system automatically derives set-oriented production rules that maintain a materialization of that view. The maintenance rules are triggered by operations on the view's base tables. Generally, the rules perform incremental maintenance
Efficient incremental view maintenance for . . .
, 2005
"... Data warehousing and on-line analytical processing (OLAP) are essential elements for decision support applications. Since most OLAP queries are complex and are often executed over huge volumes of data, the solution in practice is to employ materialized views to improve query performance. One importa ..."
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, we study views with complex aggregate functions such as variance and regression. Such statistical functions are of great impor-tance in practice. We propose a workarea function model and design a generic framework to tackle incremental view maintenance and answering queries using views
Supporting Multiple View Maintenance Policies
- IN THE ACM SIGMOD CONF
, 1997
"... Materialized views and view maintenance are becoming increasingly important in practice. In order to satisfy different data currency and performance requirements, a number of view maintenance policies have been proposed. Immediate maintenance involves a potential refresh of the view after every upda ..."
Abstract
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Cited by 47 (4 self)
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Materialized views and view maintenance are becoming increasingly important in practice. In order to satisfy different data currency and performance requirements, a number of view maintenance policies have been proposed. Immediate maintenance involves a potential refresh of the view after every
View Maintenance in Web Data Platforms
"... Abstract — Modern Web Data Platforms (WDPs) handle large amount of data and activity through massively distributed infrastructures. To achieve performance and availability at Internet scale, WDPs restrict querying capability, and provide weaker consistency guarantees than traditional ACID transactio ..."
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transactions. The sheer volume of parallel processing without ACID transaction guarantees, and the large number of independent components in WDPs pose special challenges for view maintenance with respect to concurrent update propagation and correct execution of non-idempotent view updates in the presence
On-Line Warehouse View Maintenance
, 1997
"... Data warehouses store materialized views over base data from external sources. Clients typically perform complex read-only queries on the views. The views are refreshed periodically by maintenance transactions, which propagate large bat ch updates from the base tables. In current warehousing systems ..."
Abstract
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Cited by 59 (0 self)
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Data warehouses store materialized views over base data from external sources. Clients typically perform complex read-only queries on the views. The views are refreshed periodically by maintenance transactions, which propagate large bat ch updates from the base tables. In current warehousing
Results 1 - 10
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2,946
