Cromapanax lobatus Grierson, gen. et sp. nov. (Araliaceae) is described from Gaylegphug district, southern Bhutan. Its differences with the allied genus Macropanax are outlined, and some notes on ecology given.
This article reports research concerning issues involved in adopting a computational dialectics approach to develop a human-computer debating system for educational debate. In particular, we propose a suitable dialogue model and a set of computationally usable strategic heuristics to enable the computer to engage its users in debate on a controversial issue. The system has been fully implemented. It is anticipated that this work will contribute toward the development of human-computer dialogue in general and of computer-based educational dialogue in particular and help to illuminate research issues in the field of dialectics itself.
This paper reports research concerning a suitable dialogue model for human computer debate. In particular, we consider the adoption of Moore's (1993) utilization of Mackenzie's (1979) game DC, means of using computational agents as the test-bed to facilitate evaluation of the proposed model, and means of using the evaluation results as motivation to further develop a dialogue model, which can prevent fallacious argument and common errors. It is anticipated that this work will contribute toward the development of human computer dialogue, and help to illuminate research issues in the field of dialectics itself.
The following new species, subspecies and combinations are proposed
for plants occurring in the Flora of Bhutan area: Anaphalis cooperi Grierson & Springate, Artemisia bhutanica Grierson &
Springate, Ixeridium beauverdianum (H.Lév.) Springate, Ligularia lancifera (J.R.Drumm.) Grierson, L. latiligulata (R.D.Good)
Springate, Parasenecio chenopodifolius (DC.) Grierson, Saussurea
donkiah C.B.Clarke ex Springate, S. pinnatiphylla Grierson &
Springate, Tanacetum tatsienense var. tanacetopsis (W.W.Sm.)
Grierson and Youngia silhetensis subsp. bhutanica Grierson &
Springate. A description of Ligularia latiligulata is provided. A
lectotype is designated for Saussurea obscura Lipsch.
This paper reports our research concerning dialogue strategies suitable for adoption by a humancomputer debating system. We propose a set of strategic heuristics for a computer to adopt to enable it to function as a dialogue participant. In particular, we consider means of assessing the proposed strategy. A system involving two agents in dialogue with each other and a humanagent debate system are constructed and subsequently used to facilitate the evaluations. The evaluations suggest that the proposed strategy can enable the computer to act as an effective dialogue participant. It is anticipated that this work will contribute towards the development of computerised dialogue systems and help to illuminate research issues concerning strategies in dialectical systems.
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