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Dense word embeddings, which encode semantic meanings of words to low dimensional vector spaces have become very popular in natural language processing (NLP) research due to their state-of-the-art performances in many NLP tasks. Word…

Computation and Language · Computer Science 2018-07-20 Lutfi Kerem Senel , Ihsan Utlu , Veysel Yucesoy , Aykut Koc , Tolga Cukur

Conventional word embeddings represent words with fixed vectors, which are usually trained based on co-occurrence patterns among words. In doing so, however, the power of such representations is limited, where the same word might be…

Computation and Language · Computer Science 2020-01-10 Hongming Zhang , Jiaxin Bai , Yan Song , Kun Xu , Changlong Yu , Yangqiu Song , Wilfred Ng , Dong Yu

The question of what kinds of linguistic information are encoded in different layers of Transformer-based language models is of considerable interest for the NLP community. Existing work, however, has overwhelmingly focused on word-level…

Computation and Language · Computer Science 2023-10-19 Dmitry Nikolaev , Sebastian Padó

Studies of morphological processing have shown that semantic transparency is crucial for word recognition. Its computational operationalization is still under discussion. Our primary objectives are to explore embedding-based measures of…

Computation and Language · Computer Science 2025-05-12 M. Maziyah Mohamed , R. H. Baayen

One of the main methods for computational interpretation of a text is mapping it into a vector in some embedding space. Such vectors can then be used for a variety of textual processing tasks. Recently, most embedding spaces are a product…

Computation and Language · Computer Science 2023-11-10 Adi Simhi , Shaul Markovitch

Linear embedding transformation has been shown to be effective for zero-shot cross-lingual transfer tasks and achieve surprisingly promising results. However, cross-lingual embedding space mapping is usually studied in static word-level…

Computation and Language · Computer Science 2021-09-08 Haoran Xu , Philipp Koehn

This paper presents a novel semantic scene change detection scheme with only weak supervision. A straightforward approach for this task is to train a semantic change detection network directly from a large-scale dataset in an end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Ken Sakurada , Mikiya Shibuya , Weimin Wang

Transfer learning aims at building robust prediction models by transferring knowledge gained from one problem to another. In the semantic Web, learning tasks are enhanced with semantic representations. We exploit their semantics to augment…

Machine Learning · Computer Science 2019-06-25 Freddy Lecue , Jiaoyan Chen , Jeff Z. Pan , Huajun Chen

Tiny face detection aims to find faces with high degrees of variability in scale, resolution and occlusion in cluttered scenes. Due to the very little information available on tiny faces, it is not sufficient to detect them merely based on…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Yue Xi , Jiangbin Zheng , Xiangjian He , Wenjing Jia , Hanhui Li

This report investigates enhancing semantic caching effectiveness by employing specialized, fine-tuned embedding models. Semantic caching relies on embedding similarity rather than exact key matching, presenting unique challenges in…

Change and its precondition, variation, are inherent in languages. Over time, new words enter the lexicon, others become obsolete, and existing words acquire new senses. Associating a word's correct meaning in its historical context is a…

Computation and Language · Computer Science 2021-01-25 Valerio Perrone , Simon Hengchen , Marco Palma , Alessandro Vatri , Jim Q. Smith , Barbara McGillivray

This paper explores an empirical approach to learn more discriminantive sentence representations in an unsupervised fashion. Leveraging semantic graph smoothing, we enhance sentence embeddings obtained from pretrained models to improve…

Computation and Language · Computer Science 2024-02-21 Chakib Fettal , Lazhar Labiod , Mohamed Nadif

The Norman Conquest of 1066 C.E. brought profound transformations to England's administrative, societal, and linguistic practices. The DEEDS (Documents of Early England Data Set) database offers a unique opportunity to explore these changes…

Computation and Language · Computer Science 2024-10-15 Yifan Liu , Gelila Tilahun , Xinxiang Gao , Qianfeng Wen , Michael Gervers

Interpretability benefits the theoretical understanding of representations. Existing word embeddings are generally dense representations. Hence, the meaning of latent dimensions is difficult to interpret. This makes word embeddings like a…

Computation and Language · Computer Science 2023-06-27 Minxue Xia , Hao Zhu

State-of-the-art pretrained contextualized models (PCM) eg. BERT use tasks such as WiC and WSD to evaluate their word-in-context representations. This inherently assumes that performance in these tasks reflect how well a model represents…

Computation and Language · Computer Science 2022-12-09 Qianchu Liu , Diana McCarthy , Anna Korhonen

Semantic word embeddings represent the meaning of a word via a vector, and are created by diverse methods. Many use nonlinear operations on co-occurrence statistics, and have hand-tuned hyperparameters and reweighting methods. This paper…

Machine Learning · Computer Science 2019-06-21 Sanjeev Arora , Yuanzhi Li , Yingyu Liang , Tengyu Ma , Andrej Risteski

Increasing the semantic understanding and contextual awareness of machine learning models is important for improving robustness and reducing susceptibility to data shifts. In this work, we leverage contextual awareness for the anomaly…

Machine Learning · Computer Science 2022-03-22 Nathan Vaska , Kevin Leahy , Victoria Helus

We describe a visualization tool that can be used to view the change in meaning of words over time. The tool makes use of existing (static) word embedding datasets together with a timestamped $n$-gram corpus to create {\em temporal} word…

Computation and Language · Computer Science 2014-10-21 Chiraag Lala , Shay B. Cohen

Sentence embeddings enable us to capture the semantic similarity of short texts. Most sentence embedding models are trained for general semantic textual similarity tasks. Therefore, to use sentence embeddings in a particular domain, the…

Computation and Language · Computer Science 2023-09-26 Tim Schopf , Dennis N. Schneider , Florian Matthes

Word embeddings are a powerful approach for capturing semantic similarity among terms in a vocabulary. In this paper, we develop exponential family embeddings, a class of methods that extends the idea of word embeddings to other types of…

Machine Learning · Statistics 2016-11-22 Maja R. Rudolph , Francisco J. R. Ruiz , Stephan Mandt , David M. Blei
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