Sorting and grouping are amongst the most costly operations performed during query evaluation
Modern search engines face enormous performance challenges. The most popular ones process tens of th...
Efficient star query processing is crucial for a perfor-mant data warehouse (DW) implementation and ...
This paper discusses the problem of minimizing the response time for a given database workload by a ...
Since the introduction of cost-based query op-timization by Selinger et al. in their semi-nal paper,...
Sort orders play an important role in query evaluation. Algorithms that rely on sorting are widely u...
There is considerable overlap between strategies proposed for subquery evaluation, and those for gro...
Evaluation of ranked queries on large text collections can be costly in terms of processing time and...
There are many popular problems in different practical fields of computer sciences, database applica...
Data analysts need to understand the quality of data in the warehouse. This is often done by issuing...
As the demand for the development of cloud computing grows, more and more organizations have outsour...
Abstract—This paper addresses the problem of evaluating ranked top-k queries with expensive predicat...
Many variety of users approaching server to perform their continuous queries which incorporates the ...
The performance of several Database Management Systems (DBMSs) and Data Stream Management Systems (D...
Efficient star query processing is crucial for a performant data warehouse (DW) implementation and m...
In this paper we present the Sandwich Operators, an elegant approach to exploit pre-sorting or pre-g...
Modern search engines face enormous performance challenges. The most popular ones process tens of th...
Efficient star query processing is crucial for a perfor-mant data warehouse (DW) implementation and ...
This paper discusses the problem of minimizing the response time for a given database workload by a ...
Since the introduction of cost-based query op-timization by Selinger et al. in their semi-nal paper,...
Sort orders play an important role in query evaluation. Algorithms that rely on sorting are widely u...
There is considerable overlap between strategies proposed for subquery evaluation, and those for gro...
Evaluation of ranked queries on large text collections can be costly in terms of processing time and...
There are many popular problems in different practical fields of computer sciences, database applica...
Data analysts need to understand the quality of data in the warehouse. This is often done by issuing...
As the demand for the development of cloud computing grows, more and more organizations have outsour...
Abstract—This paper addresses the problem of evaluating ranked top-k queries with expensive predicat...
Many variety of users approaching server to perform their continuous queries which incorporates the ...
The performance of several Database Management Systems (DBMSs) and Data Stream Management Systems (D...
Efficient star query processing is crucial for a performant data warehouse (DW) implementation and m...
In this paper we present the Sandwich Operators, an elegant approach to exploit pre-sorting or pre-g...
Modern search engines face enormous performance challenges. The most popular ones process tens of th...
Efficient star query processing is crucial for a perfor-mant data warehouse (DW) implementation and ...
This paper discusses the problem of minimizing the response time for a given database workload by a ...