نتایج جستجو برای: dependency parser
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This paper describes a system for extracting typed dependency parses of English sentences from phrase structure parses. In order to capture inherent relations occurring in corpus texts that can be critical in real-world applications, many NP relations are included in the set of grammatical relations used. We provide a comparison of our system with Minipar and the Link parser. The typed dependen...
Most approaches to incremental parsing either incur a degradation of accuracy or they have to postpone decisions, yielding underspecified intermediate output. We present an incremental predictive dependency parser that is fast, accurate, and largely language independent. By extending a state-of-the-art dependency parser, connected analyses for sentence prefixes are obtained, which even predict ...
This paper presents a parser of an inflectional free word order language, namely Finnish. Two-way finite automata are used to specify a functional dependency grammar and to actually parse Finnish sentences. Each automaton gives a functional description of a dependency structure within a constituent. Dynamic local control of the parser is realized by augmenting the automata with simple operation...
In this paper we present a partial dependency parser for Irish, in which Constraint Grammar (CG) rules are used to annotate dependency relations and grammatical functions in unrestricted Irish text. Chunking is performed using a regular-expression grammar which operates on the dependency tagged sentences. As this is the first implementation of a parser for unrestricted Irish text (to our knowle...
This article relates results in data-driven dependency parsing of Swedish to linguistic generalizations regarding syntactic argument status, such as tendencies regarding animacy and definiteness, as well as properties more specific to the Scandinavian languages, such as finiteness. We show how datadriven modeling in combination with labeled dependency representations enable the acquisition of f...
We explore the performance of two dependency parsing approaches, the rulebased WCDG approach (Foth and Menzel 2006) and the data-driven dependency parser MaltParser (Nivre et al. 2007) on texts written by language learners. We show that WCDG outperforms MaltParser in identifying the main functorargument relations, whereas MaltParser is more successful than WCDG in establishing optional, adjunct...
Bilexical dependencies capturing asymmetrical lexical relations between heads and dependents are viewed as a practical representation of syntax that is well-suited for computation and intelligible for human readers. In the present work we use dependency representations as a bridge between data-driven and grammar-based parsing, both for cross-framework parser comparison and for parser integratio...
The translation based language model (TRLM) is state-ofthe-art method to solve the lexical gap problem of the question retrieval in the community-based question answering (cQA). Some researchers tried to find methods for solving the lexical gap and improving the TRLM. In this paper, we propose a new dependency based model (DM) for the question retrieval. We explore how to utilize the results of...
We describe a novel approach to statistical machine translation that combines syntactic information in the source language with recent advances in phrasal translation. This method requires a source-language dependency parser, target language word segmentation and an unsupervised word alignment component. We align a parallel corpus, project the source dependency parse onto the target sentence, e...
The accuracy of parsing has exceeded 90% recently, but this is not high enough to use parsing results practically in natural language processing (NLP) applications such as paraphrase acquisition and relation extraction. We present a method for detecting reliable parses out of the outputs of a single dependency parser. This technique is also applied to domain adaptation of dependency parsing. Ou...
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