English
Related papers

Related papers: Probabilistic Random Indexing for Continuous Event…

200 papers

In this paper we tackle the problem of efficient video event detection. We argue that linear detection functions should be preferred in this regard due to their scalability and efficiency during estimation and evaluation. A popular approach…

Computer Vision and Pattern Recognition · Computer Science 2015-09-07 Iman Abbasnejad , Sridha Sridharan , Simon Denman , Clinton Fookes , Simon Lucey

Random Indexing is a simple implementation of Random Projections with a wide range of applications. It can solve a variety of problems with good accuracy without introducing much complexity. Here we use it for identifying the language of…

Computation and Language · Computer Science 2015-03-02 Aditya Joshi , Johan Halseth , Pentti Kanerva

Representing token embeddings as probability distributions over learned manifolds allows for more flexible contextual inference, reducing representational rigidity while enhancing semantic granularity. Comparative evaluations demonstrate…

Computation and Language · Computer Science 2025-04-25 Christopher Nightingale , Dominic Lavington , Jonathan Thistlethwaite , Sebastian Penhaligon , Thomas Belinski , David Boldo

This paper introduces the Ongoing Event Detection (OED) task, which is a specific Event Detection task where the goal is to detect ongoing event mentions only, as opposed to historical, future, hypothetical, or other forms or events that…

Computation and Language · Computer Science 2021-02-09 Mariano Maisonnave , Fernando Delbianco , Fernando Tohmé , Ana Maguitman , Evangelos Milios

Short text messages such as tweets are very noisy and sparse in their use of vocabulary. Traditional textual representations, such as tf-idf, have difficulty grasping the semantic meaning of such texts, which is important in applications…

Information Retrieval · Computer Science 2016-07-05 Cedric De Boom , Steven Van Canneyt , Thomas Demeester , Bart Dhoedt

Recent works on word representations mostly rely on predictive models. Distributed word representations (aka word embeddings) are trained to optimally predict the contexts in which the corresponding words tend to appear. Such models have…

Computation and Language · Computer Science 2015-04-10 Rémi Lebret , Ronan Collobert

Word embeddings have gained significant attention as learnable representations of semantic relations between words, and have been shown to improve upon the results of traditional word representations. However, little effort has been devoted…

Information Retrieval · Computer Science 2019-05-23 Gloria Feher , Andreas Spitz , Michael Gertz

Probabilistic embeddings have proven useful for capturing polysemous word meanings, as well as ambiguity in image matching. In this paper, we study the advantages of probabilistic embeddings in a cross-modal setting (i.e., text and images),…

Machine Learning · Computer Science 2022-04-21 Leila Pishdad , Ran Zhang , Konstantinos G. Derpanis , Allan Jepson , Afsaneh Fazly

Social media is becoming a primary medium to discuss what is happening around the world. Therefore, the data generated by social media platforms contain rich information which describes the ongoing events. Further, the timeliness associated…

Information Retrieval · Computer Science 2021-05-27 Hansi Hettiarachchi , Mariam Adedoyin-Olowe , Jagdev Bhogal , Mohamed Medhat Gaber

We present a probabilistic language model for time-stamped text data which tracks the semantic evolution of individual words over time. The model represents words and contexts by latent trajectories in an embedding space. At each moment in…

Machine Learning · Statistics 2017-07-19 Robert Bamler , Stephan Mandt

By representing words with probability densities rather than point vectors, probabilistic word embeddings can capture rich and interpretable semantic information and uncertainty. The uncertainty information can be particularly meaningful in…

Computation and Language · Computer Science 2018-04-30 Ben Athiwaratkun , Andrew Gordon Wilson

This article introduces a novel and fast method for refining pre-trained static word or, more generally, token embeddings. By incorporating the embeddings of neighboring tokens in text corpora, it continuously updates the representation of…

Computation and Language · Computer Science 2025-04-22 Mario M. Kubek , Shiraj Pokharel , Thomas Böhme , Emma L. McDaniel , Herwig Unger , Armin R. Mikler

Despite recent monumental advances in the field, many Natural Language Processing (NLP) models still struggle to perform adequately on noisy domains. We propose a novel probabilistic embedding-level method to improve the robustness of NLP…

Computation and Language · Computer Science 2021-04-20 Kira A. Selby , Yinong Wang , Ruizhe Wang , Peyman Passban , Ahmad Rashid , Mehdi Rezagholizadeh , Pascal Poupart

Traffic prediction is pivotal for rational transportation supply scheduling and allocation. Existing researches into short-term traffic prediction, however, face challenges in adequately addressing exceptional circumstances and integrating…

Computation and Language · Computer Science 2024-05-14 Xiannan Huang

The embedding-based retrieval (EBR) approach is widely used in mainstream search engine retrieval systems and is crucial in recent retrieval-augmented methods for eliminating LLM illusions. However, existing EBR models often face the…

Computation and Language · Computer Science 2024-04-10 Yanan Zhang , Xiaoling Bai , Tianhua Zhou

To obtain insights from event data, advanced process mining methods assess the similarity of activities to incorporate their semantic relations into the analysis. Here, distributional similarity that captures similarity from activity…

Databases · Computer Science 2025-09-12 Henrik Kirchmann , Stephan A. Fahrenkrog-Petersen , Xixi Lu , Matthias Weidlich

It has been shown that word embeddings derived from large corpora tend to incorporate biases present in their training data. Various methods for mitigating these biases have been proposed, but recent work has demonstrated that these methods…

Computation and Language · Computer Science 2023-06-27 Hailey Joren , David Alvarez-Melis

Incorporating linguistic knowledge can improve scene text recognition, but it is questionable whether the same holds for scene text spotting, which typically involves text detection and recognition. This paper proposes a method that…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Nguyen Nguyen , Yapeng Tian , Chenliang Xu

Word embedding methods revolve around learning continuous distributed vector representations of words with neural networks, which can capture semantic and/or syntactic cues, and in turn be used to induce similarity measures among words,…

Computation and Language · Computer Science 2016-07-25 Kuan-Yu Chen , Shih-Hung Liu , Berlin Chen , Hsin-Min Wang , Hsin-Hsi Chen

Extracting dense representations for terms and phrases is a task of great importance for knowledge discovery platforms targeting highly-technical fields. Dense representations are used as features for downstream components and have multiple…

Computation and Language · Computer Science 2023-05-26 Francesco Fusco , Diego Antognini
‹ Prev 1 2 3 10 Next ›