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Text embedding representing natural language documents in a semantic vector space can be used for document retrieval using nearest neighbor lookup. In order to study the feasibility of neural models specialized for retrieval in a…

Information Retrieval · Computer Science 2019-05-03 Tolgahan Cakaloglu , Christian Szegedy , Xiaowei Xu

We present a language independent, unsupervised method for building word embeddings using morphological expansion of text. Our model handles the problem of data sparsity and yields improved word embeddings by relying on training word…

Computation and Language · Computer Science 2017-11-16 Syed Sarfaraz Akhtar , Arihant Gupta , Avijit Vajpayee , Arjit Srivastava , Manish Shrivastava

Word embedding, which encodes words into vectors, is an important starting point in natural language processing and commonly used in many text-based machine learning tasks. However, in most current word embedding approaches, the similarity…

Computation and Language · Computer Science 2018-12-27 Denis Sedov , Zhirong Yang

Recent methods for learning vector space representations of words have succeeded in capturing fine-grained semantic and syntactic regularities using vector arithmetic. However, these vector space representations (created through large-scale…

Computation and Language · Computer Science 2016-05-17 Martin Andrews

Distributional semantics models derive word space from linguistic items in context. Meaning is obtained by defining a distance measure between vectors corresponding to lexical entities. Such vectors present several problems. In this paper…

Computation and Language · Computer Science 2017-12-25 Jakub Dutkiewicz , Czesław Jędrzejek

Sentence embeddings induced with various transformer architectures encode much semantic and syntactic information in a distributed manner in a one-dimensional array. We investigate whether specific grammatical information can be accessed in…

Computation and Language · Computer Science 2023-12-18 Vivi Nastase , Paola Merlo

Models based on large-pretrained language models, such as S(entence)BERT, provide effective and efficient sentence embeddings that show high correlation to human similarity ratings, but lack interpretability. On the other hand, graph…

Computation and Language · Computer Science 2025-10-17 Juri Opitz , Anette Frank

Previous research on word embeddings has shown that sparse representations, which can be either learned on top of existing dense embeddings or obtained through model constraints during training time, have the benefit of increased…

Computation and Language · Computer Science 2018-09-26 Valentin Trifonov , Octavian-Eugen Ganea , Anna Potapenko , Thomas Hofmann

Traditional sentence embedding models encode sentences into vector representations to capture useful properties such as the semantic similarity between sentences. However, in addition to similarity, sentence semantics can also be…

Computation and Language · Computer Science 2023-11-07 James Y. Huang , Wenlin Yao , Kaiqiang Song , Hongming Zhang , Muhao Chen , Dong Yu

Embedding words in vector space is a fundamental first step in state-of-the-art natural language processing (NLP). Typical NLP solutions employ pre-defined vector representations to improve generalization by co-locating similar words in…

Computation and Language · Computer Science 2023-01-03 Bimal Bhattarai , Ole-Christoffer Granmo , Lei Jiao , Rohan Yadav , Jivitesh Sharma

Cross-lingual word embeddings are vector representations of words in different languages where words with similar meaning are represented by similar vectors, regardless of the language. Recent developments which construct these embeddings…

Computation and Language · Computer Science 2020-03-04 Yerai Doval , Jose Camacho-Collados , Luis Espinosa-Anke , Steven Schockaert

Embeddings have become a pivotal means to represent complex, multi-faceted information about entities, concepts, and relationships in a condensed and useful format. Nevertheless, they often preclude direct interpretation. While downstream…

Recent work has managed to learn cross-lingual word embeddings without parallel data by mapping monolingual embeddings to a shared space through adversarial training. However, their evaluation has focused on favorable conditions, using…

Computation and Language · Computer Science 2021-12-28 Mikel Artetxe , Gorka Labaka , Eneko Agirre

Generic text embeddings are successfully used in a variety of tasks. However, they are often learnt by capturing the co-occurrence structure from pure text corpora, resulting in limitations of their ability to generalize. In this paper, we…

Computation and Language · Computer Science 2017-06-02 Karol Kurach , Sylvain Gelly , Michal Jastrzebski , Philip Haeusser , Olivier Teytaud , Damien Vincent , Olivier Bousquet

Recent work exhibited that distributed word representations are good at capturing linguistic regularities in language. This allows vector-oriented reasoning based on simple linear algebra between words. Since many different methods have…

Computation and Language · Computer Science 2016-03-25 Fei Sun , Jiafeng Guo , Yanyan Lan , Jun Xu , Xueqi Cheng

Word embeddings are substantially successful in capturing semantic relations among words. However, these lexical semantics are difficult to be interpreted. Definition modeling provides a more intuitive way to evaluate embeddings by…

Computation and Language · Computer Science 2020-07-21 Haitong Zhang , Yongping Du , Jiaxin Sun , Qingxiao Li

We introduce a model for bidirectional retrieval of images and sentences through a multi-modal embedding of visual and natural language data. Unlike previous models that directly map images or sentences into a common embedding space, our…

Computer Vision and Pattern Recognition · Computer Science 2014-06-24 Andrej Karpathy , Armand Joulin , Li Fei-Fei

Efficient representation of text documents is an important building block in many NLP tasks. Research on long text categorization has shown that simple weighted averaging of word vectors for sentence representation often outperforms more…

Computation and Language · Computer Science 2019-11-20 Vivek Gupta , Ankit Saw , Pegah Nokhiz , Harshit Gupta , Partha Talukdar

Text embeddings from large language models (LLMs) have achieved excellent results in tasks such as information retrieval, semantic textual similarity, etc. In this work, we show an interesting finding: when feeding a text into the LLM-based…

Computation and Language · Computer Science 2025-07-08 Zhijie Nie , Richong Zhang , Zhanyu Wu

Data representation is a fundamental task in machine learning. The representation of data affects the performance of the whole machine learning system. In a long history, the representation of data is done by feature engineering, and…

Computation and Language · Computer Science 2016-11-21 Siwei Lai