نتایج جستجو برای: FCA

تعداد نتایج: 1270  

Journal: :Cell 1997
Richard Macknight Ian Bancroft Tania Page Clare Lister Renate Schmidt Karina Love Lore Westphal George Murphy Sarah Sherson Christopher Cobbett Caroline Dean

A strong promoter of the transition to flowering in Arabidopsis is encoded by FCA. FCA has been cloned and shown to encode a protein containing two RNA-binding domains and a WW protein interaction domain. This suggests that FCA functions in the posttranscriptional regulation of transcripts involved in the flowering process. The FCA transcript is alternatively spliced with only one form encoding...

Journal: :The EMBO journal 2003
Victor Quesada Richard Macknight Caroline Dean Gordon G Simpson

The timing of the transition to flowering is critical for reproductive success in plants. Arabidopsis FCA encodes an RNA-binding protein that promotes flowering. FCA expression is regulated through alternative processing of its pre-mRNA. We demonstrate here that FCA negatively regulates its own expression by ultimately promoting cleavage and polyadenylation within intron 3. This causes the prod...

2010
Simon Andrews

This paper proposes a tool that converts non-FCA format data files into an FCA format, thereby making a wide range of public data sets and data produced by non-FCA tools interoperable with FCA tools. This will also offer the power of FCA to a wider community of data analysts. A repository of converted data is also proposed, as a consistent resource of public data for analysis and for the testin...

2004
Philipp Cimiano Andreas Hotho Gerd Stumme Julien Tane

Among many other knowledge representations formalisms, Ontologies and Formal Concept Analysis (FCA) aim at modeling ‘concepts’. We discuss how these two formalisms may complement another from an application point of view. In particular, we will see how FCA can be used to support Ontology Engineering, and how ontologies can be exploited in FCA applications. The interplay of FCA and ontologies is...

Journal: :Cell 2003
Gordon G Simpson Paul P Dijkwel Victor Quesada Ian Henderson Caroline Dean

The nuclear RNA binding protein, FCA, promotes Arabidopsis reproductive development. FCA contains a WW protein interaction domain that is essential for FCA function. We have identified FY as a protein partner for this domain. FY belongs to a highly conserved group of eukaryotic proteins represented in Saccharomyces cerevisiae by the RNA 3' end-processing factor, Pfs2p. FY regulates RNA 3' end p...

2008
Uta Priss

This paper presents FcaStone a software for FCA file format conversion and interoperability. The paper both describes the features of FcaStone and discusses FCA interoperability issues (such as the specific difficulties encountered when connecting FCA tools to other tools). The paper ends with a call to the FCA community to develop some sort of standard FCA Interchange Format, which could be us...

2010
Karen E Hansen Andrea N Jones Mary J Lindstrom Lisa A Davis Toni E Ziegler Kristina L Penniston Amy L Alvig Martin M Shafer

Proton pump inhibitors (PPIs) increase osteoporotic fracture risk presumably via hypochlorhydria and consequent reduced fractional calcium absorption (FCA). Existing studies provide conflicting information regarding the direct effects of PPIs on FCA. We evaluated the effect of PPI therapy on FCA. We recruited women at least 5 years past menopause who were not taking acid suppressants. Participa...

2003
Syed Zahid Ali

The Fixed Channel Assignment (FCA) problem is of major importance in the design of cellular mobile radio networks, and belongs to the class of NP-complete optimisation problems. The known exact solutions to FCA problems are strictly limited by the size of the problem to be solved. In this paper, a new powerful solution approach to the FCA problem is proposed. The underlying principle of the pro...

Journal: :Expert Syst. Appl. 2013
Jonas Poelmans Sergei O. Kuznetsov Dmitry I. Ignatov Guido Dedene

This is the first part of a large survey paper in which we analyze recent literature on Formal Concept Analysis (FCA) and some closely related disciplines using FCA. We collected 1072 papers published between 2003-2011 mentioning terms related to Formal Concept Analysis in the title, abstract and keywords. We developed a knowledge browsing environment to support our literature analysis process....

2013
Francisco J. Valverde-Albacete Carmen Peláez-Moreno

We review previous work using Formal Concept Analysis (FCA) to build Information Retrieval (IR) applications seeking a wider adoption of the FCA paradigm in IR. We conclude that although a number of systems have been built with such paradigm (FCA in IR), the most effective contribution would be to help establish IR on firmer grounds (FCA for IR). Since such an approach is only incipient, we con...

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