[PDF] Top 20 The Federated View Selection Problem

The Federated View Selection Problem

... the Federated View Selection Problem (FVSP) seeks to minimize the overall query response time for the system of federated ...a federated model, each node is an independent system ... See full document

11

Cooperative Heuristics for the Federated View Selection Problem

... The View Selection Problem: The VSP is an NP- Complete problem pertaining to the selection of views to materialize in a data warehouse to enhance query performance [9], ...optimization ... See full document

10

The Two-stage Stochastic View Selection Problem in OLAP Systems: Models and Algorithms.

... materialized view would improve the efficiency of evaluating a query when the view relation represents the result of (perhaps time-consuming) precomputation of some subexpression of the query of interest; ... See full document

131

Correspondence Pattern Attribute Selection for Consumption of Federated Data Sources

... Discovering and describing the relationship between the semantically related elements in independent sources is a relatively old problem. It can be found in the field of database integration, where many common ... See full document

7

Exact and inexact methods for solving the problem Of view selection for aggregate queries

... warehouse view-selection problem: Given a frequency distribution on parameterized aggregate queries on a data warehouse, return definitions of aggregate views that, when materialized in the ... See full document

21

View PDF

... materialized view selection involved query frequency, query processing and storage cost along with materialized view maintenance ...as view selection ...of view is the major ... See full document

6

An Improved Algorithm for Materialized View Selection

... of problem view sets, but the length of every route may be not completely identical ,so this problem can not indicate a entire matrix, we use empty node to add to this matrix , while the route length ... See full document

9

Research on Smart Home Energy Management Algorithm Based on Cloud Environment

... in view of the existing support vector machine model, the accuracy of the parameter selection problem, proposed a parameter optimization method based on particle swarm optimization, for solving super ... See full document

8

Muticollinearity Problem in Criteria of Model Selection

... researchers view as undesirable. The multicollinear problem may arise when some or all of the explanatory variables in a regression are highly correlated with one ...this problem is, of course, ... See full document

9

Exact and Heuristic Methods for solving the View-Selection Problem for Aggregate Queries

... studied problem instances with “single-path” query workloads, that is, with workloads Q where for each query Q ∈ Q, each remaining query in Q is either a descen- dant or an ancestor of Q in the view ...the ... See full document

80

Helping the decision maker effectively promote various experts’ views into various optimal solutions to China’s institutional problem of health care provider selection through the organization of a pilot health care provider research system

... of view, involving the administrative-oriented point of view, the conservative market-oriented point of view, and the progressive market-oriented point of view ...of view that was ... See full document

20

Federated Cloud Selection, Formulation And Computation Using Service Level Agreements And Rank Based Selections On Fuzzy Sets

... : Federated cloud is the interconnection of transport on more administration furnishes with the assistance of representatives and agent ...in federated cloud is estimated dependent on the estimation of ... See full document

9

Towards an Efficient Federated Cloud Service Selection to Support Workflow Big Data Requirements

... for federated Cloud Computing entities in cloud ...service selection independently ...in federated and interconnected cloud environments where both consumers and different cloud providers need to ... See full document

13

Experimental study of an IP model for the view selection problem

... the view selection problem; the IP model was introduced in “A Formal Model for the Problem of View Selection for Aggregate Queries,” by ... See full document

26

A formal perspective on the view selection problem

... The view selection problem and its generalizations will play an even greater role in contexts where data needs to be placed intelligently over a wide area ...this problem was considered in the ... See full document

22

An IP model for the view selection problem

... complementary view selection ...of view v relative to S after selecting some set S of views including the top ...the view v* that can maximize the positive benefit in the current step is ... See full document

31

An Improved Approach for Materialized View Selection Based on Genetic Algorithm

... Abstract—This paper presents an improved genetic algorithm to solve the materialized view selection problem under query cost constraints. The algorithm dynamically changes the crossover probability ... See full document

8

A two-stage stochastic view selection problem in database management systems

... one view and no other data. A query q can be answered using a view v only if the set of grouping attributes of v is a superset of the set of attributes in the GROUP BY clause of q and of those attributes in ... See full document

35

Secure Performance of Cooperative System with Channel Estimation Error

... In view of this problem, this paper uses partial relay selection as the selection criterion, taking the security outage probability and security capacity as reference basis, the simulation ... See full document

6

A special view on the nature of the allocation problem

... economic flows. This can only mean that there are proc- esses that produce more than one economic flow (of course produce means here production of valuable commodities or elimination of waste). The argument is now that ... See full document

12