Projection (relational algebra)

Known as: Projection, Projection (database), Projection in relational algebra 
In relational algebra, a projection is a unary operation written as where is a set of attribute names. The result of such projection is defined as… (More)
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Topic mentions per year

Topic mentions per year

1979-2018
051019792018

Papers overview

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2008
2008
The local projection stabilization allows to circumvent the Babuš– Brezzi condition and to use equal order interpolation for… (More)
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Highly Cited
2007
Highly Cited
2007
This paper focuses on the adaptation of Automatic Speech Recognition systems using Hybrid models combining Artificial Neural… (More)
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2006
2006
In connectionist learning, one relevant problem is "catastrophic forgetting" that may occur when a network, trained with a large… (More)
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2006
2006
A technique is proposed for the adaptation of automatic speech recognition systems using hybrid models combining artificial… (More)
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Highly Cited
2005
Highly Cited
2005
Handheld projection lets users create opportunistic displays on any suitable nearby surface. This projection method is a… (More)
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1998
1998
We consider a free massive spinor field in Euclidean Anti-de Sitter space. The usual Dirac action in bulk is supplemented by a… (More)
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1997
1997
The selection of inputs and outputs for control design are considered in this paper. Previous work by Cao and Biss [1] introduced… (More)
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1990
1990
Recent work in LFG uses the notion of projection to refer to linguistically relevant mappings between levels, whether these… (More)
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Highly Cited
1984
Highly Cited
1984
This paper concerns the semantics of Codd's relational model of data. Formulated are precise conditions that should be satisfied… (More)
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1979
1979
Two decision problems related to multivalued dependencies in a relational database are considered. In this paper, an algorithm is… (More)
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