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Selective rationalization aims to produce decisions along with rationales (e.g., text highlights or word alignments between two sentences). Commonly, rationales are modeled as stochastic binary masks, requiring sampling-based gradient…

Computation and Language · Computer Science 2021-09-13 Nuno Miguel Guerreiro , André F. T. Martins

An important characteristic of neural networks is their ability to learn representations of the input data with effective features for prediction, which is believed to be a key factor to their superior empirical performance. To better…

Machine Learning · Computer Science 2022-06-06 Zhenmei Shi , Junyi Wei , Yingyu Liang

Referring expressions are natural language descriptions that identify a particular object within a scene and are widely used in our daily conversations. In this work, we focus on segmenting the object in an image specified by a referring…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Yi-Wen Chen , Yi-Hsuan Tsai , Tiantian Wang , Yen-Yu Lin , Ming-Hsuan Yang

Open relation extraction is the task of extracting open-domain relation facts from natural language sentences. Existing works either utilize heuristics or distant-supervised annotations to train a supervised classifier over pre-defined…

Computation and Language · Computer Science 2020-10-07 Xuming Hu , Chenwei Zhang , Yusong Xu , Lijie Wen , Philip S. Yu

This paper addresses the problem of extracting keyphrases from scientific articles and categorizing them as corresponding to a task, process, or material. We cast the problem as sequence tagging and introduce semi-supervised methods to a…

Computation and Language · Computer Science 2017-08-22 Yi Luan , Mari Ostendorf , Hannaneh Hajishirzi

Feature engineering has become one of the most important steps to improve model prediction performance, and to produce quality datasets. However, this process requires non-trivial domain-knowledge which involves a time-consuming process.…

Identifying defect patterns in a wafer map during manufacturing is crucial to find the root cause of the underlying issue and provides valuable insights on improving yield in the foundry. Currently used methods use deep neural networks to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Nitish Shukla

Fast and effective automated indexing is critical for search and personalized services. Key phrases that consist of one or more words and represent the main concepts of the document are often used for the purpose of indexing. In this paper,…

Computation and Language · Computer Science 2013-06-21 Luis Marujo , Anatole Gershman , Jaime Carbonell , Robert Frederking , João P. Neto

Text classification is a task of automatic classification of text into one of the predefined categories. The problem of text classification has been widely studied in different communities like natural language processing, data mining and…

Computation and Language · Computer Science 2014-06-24 Reshma Prasad , Mary Priya Sebastian

This work introduces a new framework, named SAFFIRE, to automatically extract a dominant recurrent image pattern from a set of image samples. Such a pattern shall be used to eliminate pose variations between samples, which is a common…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Marco Boschi , Luigi Di Stefano , Martino Alessandrini

Learning phrase representations has been widely explored in many Natural Language Processing (NLP) tasks (e.g., Sentiment Analysis, Machine Translation) and has shown promising improvements. Previous studies either learn non-compositional…

Computation and Language · Computer Science 2017-10-17 Zhihao Zhou , Lifu Huang , Heng Ji

Question Answering (QA) research is a significant and challenging task in Natural Language Processing. QA aims to extract an exact answer from a relevant text snippet or a document. The motivation behind QA research is the need of user who…

Information Retrieval · Computer Science 2018-10-10 Lokesh Kumar Sharma , Namita Mittal

Capturing high-frequency data concerning the condition of complex systems, e.g. by acoustic monitoring, has become increasingly prevalent. Such high-frequency signals typically contain time dependencies ranging over different time scales…

Sound · Computer Science 2022-06-14 Gaetan Frusque , Olga Fink

Continuous sign language recognition (SLR) aims to translate a signing sequence into a sentence. It is very challenging as sign language is rich in vocabulary, while many among them contain similar gestures and motions. Moreover, it is…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Zhaoyang Yang , Zhenmei Shi , Xiaoyong Shen , Yu-Wing Tai

Document Clustering is a branch of a larger area of scientific study known as data mining .which is an unsupervised classification using to find a structure in a collection of unlabeled data. The useful information in the documents can be…

Computation and Language · Computer Science 2014-01-23 Issam Sahmoudi , Hanane Froud , Abdelmonaime Lachkar

This paper explores the impact of light filtering on automatic key phrase extraction (AKE) applied to Broadcast News (BN). Key phrases are words and expressions that best characterize the content of a document. Key phrases are often used to…

Computation and Language · Computer Science 2013-06-21 Luis Marujo , Ricardo Ribeiro , David Martins de Matos , João P. Neto , Anatole Gershman , Jaime Carbonell

We introduce instancewise feature selection as a methodology for model interpretation. Our method is based on learning a function to extract a subset of features that are most informative for each given example. This feature selector is…

Machine Learning · Computer Science 2018-06-15 Jianbo Chen , Le Song , Martin J. Wainwright , Michael I. Jordan

Natural Language Processing enables computers to understand human language by analysing and classifying text efficiently with deep-level grammatical and semantic features. Existing models capture features by learning from large corpora with…

Computation and Language · Computer Science 2026-02-25 Azrin Sultana , Firoz Ahmed

Feature-based format is the main data representation format used by machine learning algorithms. When the features do not properly describe the initial data, performance starts to degrade. Some algorithms address this problem by internally…

Artificial Intelligence · Computer Science 2015-12-18 Marian-Andrei Rizoiu , Julien Velcin , Stéphane Lallich

The goal of automated feature generation is to liberate machine learning experts from the laborious task of manual feature generation, which is crucial for improving the learning performance of tabular data. The major challenge in automated…

Machine Learning · Computer Science 2023-06-06 Tianping Zhang , Zheyu Zhang , Zhiyuan Fan , Haoyan Luo , Fengyuan Liu , Qian Liu , Wei Cao , Jian Li