| Cahill, Lynne and Mike Reape, 1998. Component tasks in applied NLG systems. Technical Report ITRI99 -05, ITRI, University of Brighton. Obtainable at http://www.itri.brighton.ac.uk/projects/rags/. |
.... consensus model, based on a survey of 5 existing systems and partly motivated on engineering grounds in that a strict pipeline requires a minimal number of interfaces. More recently the RAGS project attempted to repeat and extend the analysis, surveying a set of 19 applied systems (Paiva, 1998; Cahill and Reape, 1998). A component tasks analysis was undertaken examining where in each system each of a set of core linguistic tasks was situated. That set was: lexicalisation, aggregation, rhetorical structuring, referring expression generation, ordering, segmentation and coherence 1 . It was found that, while ....
....terms of the above set of functions and a number of distinct levels of representation, which between them support the range of implementations observed, including pipelines as well as other more complex control regimes. 1 More details about the assumed definitions of these tasks can be found in (Cahill and Reape, 1998; Cahill et al. 1999b) The central pillar of our proposed architecture is a data model, in the form of a set of declarative representations for the various levels of linguistic representation in generation. That is, the functional modules are defined entirely in terms of the datatypes they ....
Cahill, Lynne and Mike Reape, 1998. Component tasks in applied NLG systems. Technical Report ITRI99 -05, ITRI, University of Brighton. Obtainable at http://www.itri.brighton.ac.uk/projects/rags/.
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Lynne Cahill and Mike Reape. 1998. Component tasks in applied NLG systems. Technical Report ITRI99 -05, ITRI, University of Brighton. obtainable at http://www.itri.brighton.ac.uk/projects/rags/.
....attempt to finish the architecture definition in order that we can be informed by the reactions and comments of other researchers on what we have done so far and where we are heading. 1. 2 The form of the model There is a great deal of diversity in the theory and practice of NLG, and our surveys [Cahill and Reape 1998, Paiva 1998] have shown that there is no simple model that describes well all existing work on applied NLG. We take it as self evident that the complexity of NLG is such that nobody is currently able to define the perfect NLG architecture, even if such an idea makes sense. As a result, the RAGS ....
....what aspects of abstract syntactic representation are determined by TLC. Some progress on this can probably now be made, given the detailed specification of some of the levels of representation later in this document. Lexicalisation is assumed to take place in general in two stages, LEX and TLC [Cahill 1998]. Aggregation is considered to be a generic operation that is implemented by a family of operators, one for every level of representation [Reape 1999a] This means that most levels of representation need to allow for the representation of aggregated structures . 1.5 Access to other Knowledge ....
Cahill, L. and Reape, M., "Component Tasks in Applied NLG Systems". RAGS deliverable, obtainable via http://www.itri.brighton.ac.uk/projects/rags/, 1998.
....of lexicalisation within applied NLG systems. We restrict ourselves here to the systems covered in A Survey of Applied Natural Language Systems [Pai98] that are fully implemented, complete 1 and do not take handcrafted input. This report should be read in conjunction with both [Pai98] and [CR98], which give wider ranging surveys of the systems in question. We shall discuss some of the questions of what precisely is meant by lexicalisation during the course of this paper, but for the moment, let us start with a simple definition from which we can work. We take lexicalisation in the first ....
Lynne Cahill and Mike Reape. Component tasks in applied NLG systems. Manuscript, ITRI, University of Brighton and University of Edinburgh, 1998.
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Lynne Cahill and Mike Reape. Component tasks in applied NLG systems. ms., 1998.
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