Search Results for author: Xavier Carreras

Found 21 papers, 1 papers with code

A comparison between CNNs and WFAs for Sequence Classification

no code implementations EMNLP (sustainlp) 2020 Ariadna Quattoni, Xavier Carreras

We compare a classical CNN architecture for sequence classification involving several convolutional and max-pooling layers against a simple model based on weighted finite state automata (WFA).

Classification

Are Deep Sequence Classifiers Good at Non-Trivial Generalization?

no code implementations24 Oct 2022 Francesco Cazzaro, Ariadna Quattoni, Xavier Carreras

We focus on sparse sequence classification, that is problems in which the target class is rare and compare three deep learning sequence classification models.

Classification Data Compression

Translate First Reorder Later: Leveraging Monotonicity in Semantic Parsing

1 code implementation10 Oct 2022 Francesco Cazzaro, Davide Locatelli, Ariadna Quattoni, Xavier Carreras

Prior work in semantic parsing has shown that conventional seq2seq models fail at compositional generalization tasks.

Semantic Parsing

Interpolated Spectral NGram Language Models

no code implementations ACL 2019 Ariadna Quattoni, Xavier Carreras

Spectral models for learning weighted non-deterministic automata have nice theoretical and algorithmic properties.

Language Modelling

Arc-Standard Spinal Parsing with Stack-LSTMs

no code implementations WS 2017 Miguel Ballesteros, Xavier Carreras

We present a neural transition-based parser for spinal trees, a dependency representation of constituent trees.

A Maximum Matching Algorithm for Basis Selection in Spectral Learning

no code implementations9 Jun 2017 Ariadna Quattoni, Xavier Carreras, Matthias Gallé

Spectral algorithms reduce the learning problem to the task of computing an SVD decomposition over a special type of matrix called the Hankel matrix.

Tailoring Word Embeddings for Bilexical Predictions: An Experimental Comparison

no code implementations22 Dec 2014 Pranava Swaroop Madhyastha, Xavier Carreras, Ariadna Quattoni

We investigate the problem of inducing word embeddings that are tailored for a particular bilexical relation.

Relation Word Embeddings

Unsupervised Spectral Learning of Finite State Transducers

no code implementations NeurIPS 2013 Raphael Bailly, Xavier Carreras, Ariadna Quattoni

Finite-State Transducers (FST) are a standard tool for modeling paired input-output sequences and are used in numerous applications, ranging from computational biology to natural language processing.

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