tailieunhanh - Báo cáo khoa học: "DEALING WITH THE NOTION "OBLIGATORY" IN SYNTACTIC ANALYSIS"

It is easy to see that the tree property would be destroyed if these connections w e r e i n c l u d e d as edges in the tree. To save the t r e e property Kunze introduced the mechanism of paths of action for t h e p a r a d i g m a t i c and s e l e c t i v e connections. | DEALING WITH THE NOTION OBLIGATORY IN SYNTACTIC ANALYSIS Dorothee Reimann Zentralinstitut fur Sprachwissenschaft Akademie der Wissenschaften der DDR Prenzlauer Promenade 149-152 Berlin DDR - 1100 ABSTRACT In the paper the use of the notion obligatory complement in syntactic analysis is discussed. In many theories which serve as bases for syntactic analysis procedures there are devices to express the difference between obligatory and optional complements on the rule level . via the lexicon the wordforms are connected with these rules where the fitting properties are expressed. I ll show that such an approach leads to some problems if we want to handle real texts in syntactic analysis. In the first part I ll outline the theoretical framework we work with. Then I ll discuss for which purpose the use of the notion obligatory has some advantages and in the last part I ll show shortly how we intend to use this notion - in lexical entries with respect to morphological analysis and - in the syntactic analysis process. SOME THEORETICAL PREREQUISITES The basis of our work is a special version of a dependency grammar Kunze 1975 . In this theory a syntactic structure of a sentence is represented as a tree where the nodes correspond to the wordforms of the sentence and the edges express the dependencies between the wordforms. The edges are marked by subordination relations SR s which describe the relation between the subtree under the edge and the remaining tree context. Besides the syntactic dependencies other connections between the wordforms of the sentence remain which express certain congruences and restrictions. Here we have congruences - so-called paradigmatic connections - like the listed categories concern the German variant from a noun to an attribute gender number case from a preposition to the noun case from the subject to the finite verb number person and restrictions - selective connections -like from the verb to the deep subject from the verb to the direct .

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