Baselines and Symbol N-Grams: Simple Part-Of-Speech Tagging of Russian?

Arefyev, N.V.; Ermolaev P.

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Baselines and Symbol N-Grams: Simple Part-Of-Speech Tagging of Russian?

P. 9–19.

Arefyev, N.V., Ermolaev P.

We propose using NB-SVM over bag of character n-grams input representation for determining part-of-speech tags and grammatical categories like gender, number, etc. for words in Russian texts. Several methods are compared including CRF (Conditional Random Fields), SVM (Support Vector Machines) and NB-SVM (Naive Bayes SVM) and superiority of NB-SVM over other classifiers is shown. The proposed model is the 5th best among 12 other models in the first shared task of the MorphoRuEval-17 challenge. We also experimented with category grouping when a single classifier is used to determine several grammatical categories and showed that it improves the model per- formance even further.

Language: English

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Keywords: POS-tagging multilabel classification Support Vector Machines (SVM)

In book

Supplementary Proceedings of the Sixth International Conference on Analysis of Images, Social Networks and Texts (AIST-SUP 2017), Moscow, Russia, July 27-29, 2017

Vol. 1975. , Aachen: CEUR-WS.org, 2017.

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Three-phase induction motors play a crucial role in industrial applications due to their efficiency, durability, and reliability. However, effective fault detection remains challenging, primarily due to the scarcity of labeled failure data, which limits the performance of traditional machine learning (ML)-based diagnostic models and increases the risk of overfitting and poor generalization. Conventional methods, such ...

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The task of recognizing the author’s native (Native Language Identification—NLI) language based on a texts, written in a language that is non-native to the author—is the task of automatically recognizing native language (L1). The NLI task was studied in detail for the English language, and two shared tasks were conducted in 2013 and 2017, where ...

Added: October 18, 2021

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The poetic texts pose a challenge to full morphological tagging and lemmatization since the authors seek to extend the vocabulary, employ morphologically and semantically deficient forms, go beyond standard syntactic templates, use non-projective constructions and non-standard word order, among other techniques of the creative language game. In this paper we evaluate a number of probabilistic ...

Added: June 12, 2019

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Added: April 22, 2017