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A core part of linguistic typology is the classification of languages according to linguistic properties, such as those detailed in the World Atlas of Language Structure (WALS). Doing this manually is prohibitively time-consuming, which is…

Computation and Language · Computer Science 2018-02-27 Johannes Bjerva , Isabelle Augenstein

In this paper we present Morphy, an integrated tool for German morphology, part-of-speech tagging and context-sensitive lemmatization. Its large lexicon of more than 320,000 word forms plus its ability to process German compound nouns…

Computation and Language · Computer Science 2007-05-23 Wolfgang Lezius , Reinhard Rapp , Manfred Wettler

This thesis presents a constraint-based morphological disambiguation approach that is applicable to languages with complex morphology--specifically agglutinative languages with productive inflectional and derivational morphological…

cmp-lg · Computer Science 2008-02-03 Gokhan Tur

The SIGMORPHON 2022 shared task on morpheme segmentation challenged systems to decompose a word into a sequence of morphemes and covered most types of morphology: compounds, derivations, and inflections. Subtask 1, word-level morpheme…

Social media features substantial stylistic variation, raising new challenges for syntactic analysis of online writing. However, this variation is often aligned with author attributes such as age, gender, and geography, as well as more…

Computation and Language · Computer Science 2018-04-23 Murali Raghu Babu Balusu , Taha Merghani , Jacob Eisenstein

Neural models for the various flavours of morphological inflection tasks have proven to be extremely accurate given ample labeled data -- data that may be slow and costly to obtain. In this work we aim to overcome this annotation bottleneck…

Computation and Language · Computer Science 2021-10-13 Omer Goldman , Reut Tsarfaty

We present LemmaTag, a featureless neural network architecture that jointly generates part-of-speech tags and lemmas for sentences by using bidirectional RNNs with character-level and word-level embeddings. We demonstrate that both tasks…

Computation and Language · Computer Science 2018-08-28 Daniel Kondratyuk , Tomáš Gavenčiak , Milan Straka , Jan Hajič

Bidirectional Long Short-Term Memory Recurrent Neural Network (BLSTM-RNN) has been shown to be very effective for tagging sequential data, e.g. speech utterances or handwritten documents. While word embedding has been demoed as a powerful…

Computation and Language · Computer Science 2015-10-22 Peilu Wang , Yao Qian , Frank K. Soong , Lei He , Hai Zhao

We describe a stochastic approach to partial parsing, i.e., the recognition of syntactic structures of limited depth. The technique utilises Markov Models, but goes beyond usual bracketing approaches, since it is capable of recognising not…

cmp-lg · Computer Science 2007-05-23 Wojciech Skut , Thorsten Brants

In this paper, we explore the ways to improve POS-tagging using various types of auxiliary losses and different word representations. As a baseline, we utilized a BiLSTM tagger, which is able to achieve state-of-the-art results on the…

Computation and Language · Computer Science 2018-07-04 Daniil Anastasyev , Ilya Gusev , Eugene Indenbom

We consider the problem of fully unsupervised learning of grammatical (part-of-speech) categories from unlabeled text. The standard maximum-likelihood hidden Markov model for this task performs poorly, because of its weak inductive bias and…

Computation and Language · Computer Science 2014-01-24 João V. Graça , Kuzman Ganchev , Luisa Coheur , Fernando Pereira , Ben Taskar

In this paper we present a fundamental lexical semantics of Sinhala language and a Hidden Markov Model (HMM) based Part of Speech (POS) Tagger for Sinhala language. In any Natural Language processing task, Part of Speech is a very vital…

Computation and Language · Computer Science 2014-07-14 A. J. P. M. P. Jayaweera , N. G. J. Dias

Part-of-speech (POS) tagging is a process of assigning the words in a text corresponding to a particular part of speech. A fundamental version of POS tagging is the identification of words as nouns, verbs, adjectives etc. For processing…

Computation and Language · Computer Science 2013-10-10 Jyoti Singh , Nisheeth Joshi , Iti Mathur

Word segmentation plays a pivotal role in improving any Arabic NLP application. Therefore, a lot of research has been spent in improving its accuracy. Off-the-shelf tools, however, are: i) complicated to use and ii) domain/dialect…

Computation and Language · Computer Science 2017-09-05 Hassan Sajjad , Fahim Dalvi , Nadir Durrani , Ahmed Abdelali , Yonatan Belinkov , Stephan Vogel

We propose a novel approach to translating from a morphologically complex language. Unlike previous research, which has targeted word inflections and concatenations, we focus on the pairwise relationship between morphologically related…

Computation and Language · Computer Science 2021-09-29 Preslav Nakov , Hwee Tou Ng

We propose a novel morphologically aware probability model for bilingual lexicon induction, which jointly models lexeme translation and inflectional morphology in a structured way. Our model exploits the basic linguistic intuition that the…

Computation and Language · Computer Science 2020-11-17 Paula Czarnowska , Sebastian Ruder , Ryan Cotterell , Ann Copestake

Language Processing systems such as Part-of-speech tagging, Named entity recognition, Machine translation, Speech recognition, and Language modeling (LM) are well-studied in high-resource languages. Nevertheless, research on these systems…

Computation and Language · Computer Science 2026-03-04 Dhrubajyoti Pathak , Sanjib Narzary , Sukumar Nandi , Bidisha Som

We present LEMMING, a modular log-linear model that jointly models lemmatization and tagging and supports the integration of arbitrary global features. It is trainable on corpora annotated with gold standard tags and lemmata and does not…

Computation and Language · Computer Science 2024-05-29 Thomas Muller , Ryan Cotterell , Alexander Fraser , Hinrich Schütze

Large language models (LLMs) have demonstrated remarkable capabilities in natural language processing, yet their effectiveness in handling historical languages remains largely unexplored. This study examines the performance of open-source…

Computation and Language · Computer Science 2025-03-12 Matthias Schöffel , Marinus Wiedner , Esteban Garces Arias , Paula Ruppert , Christian Heumann , Matthias Aßenmacher

In this paper, we propose a new approach to construct a system of transformation rules for the Part-of-Speech (POS) tagging task. Our approach is based on an incremental knowledge acquisition method where rules are stored in an exception…

Computation and Language · Computer Science 2016-07-22 Dat Quoc Nguyen , Dai Quoc Nguyen , Dang Duc Pham , Son Bao Pham