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Recent urbanization has coincided with the enrichment of geotagged data, such as street view and point-of-interest (POI). Region embedding enhanced by the richer data modalities has enabled researchers and city administrators to understand…

Machine Learning · Computer Science 2021-05-07 Tianyuan Huang , Zhecheng Wang , Hao Sheng , Andrew Y. Ng , Ram Rajagopal

Image retrieval relies heavily on the quality of the data modeling and the distance measurement in the feature space. Building on the concept of image manifold, we first propose to represent the feature space of images, learned via neural…

Machine Learning · Computer Science 2020-11-20 Haoyu Dong , Ze Wang , Qiang Qiu , Guillermo Sapiro

Using the frequency of keywords is a classic approach in the formal analysis of text, but has the drawback of glossing over the relationality of word meanings. Word embedding models overcome this problem by constructing a standardized and…

Computers and Society · Computer Science 2021-05-05 Dustin S. Stoltz , Marshall A. Taylor

We propose to implicitly learn to extract geo-temporal image features, which are mid-level features related to when and where an image was captured, by explicitly optimizing for a set of location and time estimation tasks. To train our…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Menghua Zhai , Tawfiq Salem , Connor Greenwell , Scott Workman , Robert Pless , Nathan Jacobs

The "crowd" has become a very important geospatial data provider. Subsumed under the term Volunteered Geographic Information (VGI), non-expert users have been providing a wealth of quantitative geospatial data online. With spatial reasoning…

Databases · Computer Science 2014-08-27 Georgios Skoumas , Dieter Pfoser , Anastasios Kyrillidis

We study the extent to which we can infer users' geographical locations from social media. Location inference from social media can benefit many applications, such as disaster management, targeted advertising, and news content tailoring.…

Artificial Intelligence · Computer Science 2019-05-14 Yujie Qian , Jie Tang , Zhilin Yang , Binxuan Huang , Wei Wei , Kathleen M. Carley

Incorporating spatial information, particularly those influenced by climate, weather, and demographic factors, is crucial for improving underwriting precision and enhancing risk management in insurance. However, spatial data are often…

Risk Management · Quantitative Finance 2025-11-25 Freek Holvoet , Christopher Blier-Wong , Katrien Antonio

In this paper, we introduce a contextual grounding approach that captures the context in corresponding text entities and image regions to improve the grounding accuracy. Specifically, the proposed architecture accepts pre-trained text token…

Computer Vision and Pattern Recognition · Computer Science 2019-11-07 Farley Lai , Ning Xie , Derek Doran , Asim Kadav

In this paper we address the task of visual place recognition (VPR), where the goal is to retrieve the correct GPS coordinates of a given query image against a huge geotagged gallery. While recent works have shown that building descriptors…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Valerio Paolicelli , Antonio Tavera , Carlo Masone , Gabriele Berton , Barbara Caputo

Inferring geographic locations via social posts is essential for many practical location-based applications such as product marketing, point-of-interest recommendation, and infector tracking for COVID-19. Unlike image-based location…

Computation and Language · Computer Science 2023-06-14 Ruiting Dai , Jiayi Luo , Xucheng Luo , Lisi Mo , Wanlun Ma , Fan Zhou

Neural approaches to learning term embeddings have led to improved computation of similarity and ranking in information retrieval (IR). So far neural representation learning has not been extended to meta-textual information that is readily…

Information Retrieval · Computer Science 2021-02-03 Toshitaka Kuwa , Shigehiko Schamoni , Stefan Riezler

This paper presents a framework for localization or grounding of phrases in images using a large collection of linguistic and visual cues. We model the appearance, size, and position of entity bounding boxes, adjectives that contain…

Computer Vision and Pattern Recognition · Computer Science 2017-08-10 Bryan A. Plummer , Arun Mallya , Christopher M. Cervantes , Julia Hockenmaier , Svetlana Lazebnik

Research on knowledge graph embeddings has recently evolved into knowledge base embeddings, where the goal is not only to map facts into vector spaces but also constrain the models so that they take into account the relevant conceptual…

Artificial Intelligence · Computer Science 2024-08-12 Camille Bourgaux , Ricardo Guimarães , Raoul Koudijs , Victor Lacerda , Ana Ozaki

Numerous embedding models have been recently explored to incorporate semantic knowledge into visual recognition. Existing methods typically focus on minimizing the distance between the corresponding images and texts in the embedding space…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Dong Li , Hsin-Ying Lee , Jia-Bin Huang , Shengjin Wang , Ming-Hsuan Yang

Inspired by Christopher Alexanders conception of the world - space is not lifeless or neutral but a living structure involving far more small things than large ones a topological representation has been previously developed to characterize…

Physics and Society · Physics 2020-09-04 Bin Jiang , Zheng Ren

Image-language matching tasks have recently attracted a lot of attention in the computer vision field. These tasks include image-sentence matching, i.e., given an image query, retrieving relevant sentences and vice versa, and region-phrase…

Computer Vision and Pattern Recognition · Computer Science 2018-05-03 Liwei Wang , Yin Li , Jing Huang , Svetlana Lazebnik

This paper explores the potential of volunteered geographical information from social media for informing geographical models of behavior, based on a case study of museums in Yorkshire, UK. A spatial interaction model of visitors to 15…

Methodology · Statistics 2014-03-21 Robin Lovelace , Nick Malleson , Kirk Harland , Mark Birkin

With the increasing technical sophistication of both information consumers and providers, there is increasing demand for more meaningful experiences of digital information. We present a framework that separates digital object experience, or…

Digital Libraries · Computer Science 2007-05-23 Naomi Dushay

Distributed representations of words and paragraphs as semantic embeddings in high dimensional data are used across a number of Natural Language Understanding tasks such as retrieval, translation, and classification. In this work, we…

Computation and Language · Computer Science 2015-08-04 Devendra Singh Sachan , Shailesh Kumar

Geographic data plays an essential role in various Web, Semantic Web and machine learning applications. OpenStreetMap and knowledge graphs are critical complementary sources of geographic data on the Web. However, data veracity, the lack of…

Artificial Intelligence · Computer Science 2023-02-20 Elena Demidova , Alishiba Dsouza , Simon Gottschalk , Nicolas Tempelmeier , Ran Yu