Koskenniemi, K.: Two-level Model for Morphological Analysis. Proceedings of IJCAI'83. (1983) 683-85.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....of the whole expression and the need to have at least one concept attached with any morphological unit is the first step to achieve before that any NLP system can have a practicable use. This step is concomitant with the computational handling of inflectional morphology, as treated by Koskenniemi [4]. It has been shown that the human natural language processor in the brain can cope with non programmable computation [5] Such fascinating discovery supports the idea of dealing with word segmentation methodology for NLP systems. Wittgenstein considers, at first, that language is a mirror of ....

K. Koskenniemi. Two-level model for morphological analysis. PhD Thesis. University of Helsinki, 1983

....in the methodology presented. This first, mandatory step relies upon the availability of at least one concept attached with any morphological unit and that is a prerequisite to achieve natural language processing. This step is concomitant with the computational handling of inflectional morphology [9]. We develop a methodology to deal with large sets of lexical entries and aim to give a first solution to the lack of coverage of the medical lexical knowledge. These lexical dictionaries are linked with formal, descriptive knowledge models. Such models are mainly composed of four parts: one is ....

K. Koskenniemi. Two-level model for morphological analysis. PhD Thesis. University of Helsinki, 1983.

....the following two steps: the morphological interpretation generation step and the implausible interpretation elimination step. Morphological interpretations are generated as a reverse process of word formation, that is, morpheme isolation and morphological transformation(Cahill, 1990; Kang, 1994; Koskenniemi, 1983). Korean is a highly inflective and agglutinative language like Turkish, Finnish and so on. For an agglutinative language, the rules for the morpheme isolation and the morphological transformation are very complex and can be differently used in morphological interpretation of a given word(Oflazer, ....

Koskenniemi, K. 1983. Two-level Model for Morphological Analysis. In Proceedings of the 8th International Joint Conference on Artificial Intelligence.

....Finite Automata as Typed Feature Structures Finite automata (FA) and similar devices are heavily used in computational linguistics and natural language processing as a descriptive means of stating certain facts about natural language. They have been employed in the description of morphophonemics [11, 3] and in the formulation of word order constraints [26] moreover, the use of FA allows for the integration of allomorphy and morphotactics [15, 12] While it is unsurprising that the languages accepted by FA may also be encoded as typed feature descriptions, it is not clear how FA themselves can ....

Kimmo Koskenniemi. Two-level model for morphological analysis. In Proceedings of the 8th International Joint Conference on Artificial Intelligence, pages 683--685, 1983.

....is shown to be descriptively inad# equate to address these problems. A simple ex# tension to the basic two#level model is introduced which allows con#icting phonological rules to co# exist. The computational complexity of the exten# sion is the same as Kimmo#s two#level model. INTRODUCTION Kimmo Koskenniemi#s two#level model #Kosken# niemi# 1983# Koskenniemi# 1984# uses #nite#state transducers to implement phonological rules. This paper presents the experience of attempting a two# level phonology for certain Indian languages# the problems faced in this attempt and their resolu# tion. The languages we consider are Tamil and Hindi. For the ....

Koskenniemi# Kimmo# 1983. A Two Level model for Morphological Analysis. In Proc. 8th Int#l Joint Conf. of AI #IJCAI#83## Karlsruhe.

....Remarks The present proposal utilizes a set of attributes whose aim is to provide a descriptive means of representing all relevant morphological phenomena which appear in the EEC languages. It is not intended to follow a special theory, for example, Twolevel morphology (cf. Karttunen 1983, Koskenniemi 1983) or one of the various approaches usually gathered together under the heading Generative Morphology (cf. for an overview: Spencer 1991) It should, nevertheless, enable users who work within such a theoretical framework to extract the information they need, i.e. the MULTILEX format must be ....

Koskenniemi, K. (1983), Two-level model for morphological analysis. In: Proceedings of the 8th International Joint Conference on Artificial Intelligence. pp. 683-685. Karlsruhe 1983.

....approaches to the treatment of morphological phenomena in inflectional languages by means of Finite State Automata (FSA) FSA describe the morphological regularities of transformations from stems to surface forms and vice versa. The transitions of the automata are directed by testing characters [Kos83] or character strings[Kay82] of the surface form and the underlying lexical representation. Koskenniemi demonstrated that this approach is capable of both morphological analysis and production of word forms for a wide class of inflectional languages [Kos84] Kay showed how a two level account ....

K. Koskenniemi. Two-level model for morphological analysis. In IJCAI 1983, pages 683--685, Karlsruhe, 1983. 12

....and the processing modules for parsing and generation have been implemented in a direction independent manner using a CLP extension of SICStus Prolog (the implementation techniques used are described in [7, 8] 2. 3 X2MorF X2MorF [11] is a morphological component based on two level morphology [6]. The basic idea behind two level morphology is the treatment of morphophonology by means of rules that map between the lexical representation of a word and its surface form (as it appears in text) Rules can be applied in parallel (either directly or in the form of finite automata) leading to a ....

Koskenniemi, K. 1983. Two-Level Model for Morphological Analysis. In Proceedings of the 8th International Joint Conference on Artificial Intelligence, Los Altos, CA. Morgan Kaufmann.

....drawn from the integration of allomorphy and morphotactics; we eschew here the discussion of alternative theories and concentrate on inflectional morphology. We describe inflection using a word and paradigm (WP) specification of morphotactics (Matthews 1972) and a two level treatment of allomorphy (Koskenniemi 1983). We also indicate some potential advantages of mixed models of allomorphy finite state and other. 6 3.1 WP Morphotactics in FDL Several word grammars use FDL morphotactics (Trost 1991, Krieger and Nerbonne 1992 on derivation) alternative models are also available. Krieger and Nerbonne 1992 ....

Koskenniemi, K. 1983. Two-Level Model for Morphological Analysis. In Proc. of IJCAI, 683--685.

....decomposition using computational methods date back to the early 1960s (DECOMP system of MITalk project) computational morphology began to emerge as a discipline in its own right about fifteen years ago. The two level morphological model, a language independent model by Kimmo Koskenniemi [19, 20], has served as a convenient starting point for much of the other work on computational morphology. In this study, Turkish morphology is modelled using the two level approach. The two level morphological model will be discussed in detail and compared with other approaches to computational ....

....to the word grammar component for parsing. There are several advantages of such an approach. First of all, the word grammar component offers a more powerful model of morphotactics. PC KIMMO 1 used only the continuation class model of morphotactics which was used in Koskenniemi s original model [19, 20]. Lexc [25] of Xerox which is used to model Turkish morphotactical paradigm also utilizes the continuation class model. In continuation class model, the morphotactic properties of a morpheme can be stated only in terms of the classes of morphemes that can directly follow it in a word. This means ....

Koskenniemi, Kimmo. 1983. Two-level model of morphological analysis. In IJCAI-83 (International Joint Conference on Artificial Intelligence).

....on Arabic a language often neglected in NLP laboratories. In Section 5 we describe our abstract automaton approach to Arabic morphology. The implications of abstract automata for an inheritance based morphology are examined in Section 6. 2 Two level and finite state morphology 2. 1 Background Koskenniemi (1983) presented an approach to morphological analysis which was radically different from the conventional rule based approaches derived from generative grammar and generative phonology. The approach grew out of earlier attempts to apply the notion of finite state transducers (FSTs) to phonology ....

....bidirectional, the surface form can be generated from the lexical level, as well as recognised to give a lexical representation. Barton et al. 1987) Sproat (1992) Kornai (1991) and Wiebe (1992) provide more detail on the formal aspects of FSTs and finite state morphology in general. Koskenniemi (1983, 1984) demonstrated the two level model for Finnish, which is both agglutinative and inflectional . In agglutinative languages simple words can be freely combined to express compound ideas. The listing of all possible word combinations cannot be exhaustively specified in the dictionary, nor from ....

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Koskenniemi, K. (1983). Two-level model for morphological analysis. In Proceedings of IJCAI, pages 683--685.

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Koskenniemi, K.: Two-level Model for Morphological Analysis. Proceedings of IJCAI'83. (1983) 683-85.

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Koskenniemi, K.: Two-level model for morphological analysis. In Bundy,A., ed.: Proceedings of the Eighth International Joint Conference on Artificial Intelligence, 8-12 August 1983, Karlsruhe, West Germany, William Kaufmann, Inc. (1983) 683--685

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Kimmo Koskenniemi. Two-level model for morphological analysis. In Proceedings of the 8th International Joint Conference on Artificial Intelligence, pages 683--5, Karlsruhe, 1983.

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K. Koskenniemi. Two-level model for morphological analysis. In IJCAI 1983.

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Koskenniemi, K.: Two-level Model for Morphological Analysis. Proceedings of IJCAI'83. (1983) 683-85.

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K. Koskenniemi. Two-level model for morphological analysis. In Proc. of the Eighth Intl. Joint Conference on Artificial Intelligence, pages 683--685, 1983.

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K. Koskenniemi. Two-level model for morphological analysis. In Proc. of the 8th International Joint Conference on Artificial Intelligence, pages 683--685, 1983.

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K. Koskenniemi. Two-level model for morphological analysis. In Proc. of the Eighth Intl. Joint Conference on Artificial Intelligence, pages 683--685, 1983.

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Koskenniemi, K. (1983) Two-level Model for Morphological Analysis," IJCAI 83, pp.'683-685.

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Koskenniemi, Kimmo (1983) "Two-Level Model for Morphological Analysis," IJCAI 85, pp. 683- 685.

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Kimmo Koskenniemi. Two-level Model for Morphological Analysis. IJCAI-83, Karlsruhe, BRD, 1983, pp. 683-685

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Kimmo Koskenniemi. 1983. "Two-level model for morphological analysis". In Proceeding of IJCAI'83, the 8th International Joint Conference on Artificial Intelligence, Karlsruhe, DE, 1983. pp683-685.

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Kimmo Koskenniemi. 1983. Two-level model for morphological analysis. In 8th International Joint Conference on Articial Intelligence, pages 683-685, Karlsruhe, Germany.

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Koskenniemi, Kimmo. 1983a Two-level model for morphological analysis. In: Proceedings of the Eighth International Joint Conference on Artificial Intelligence. Karlsruhe, West Germany: 683-685.

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