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- research-articleAugust 2022
Exploiting Geodata to Improve Image Recognition with Deep Learning
WWW '22: Companion Proceedings of the Web Conference 2022Pages 648–655https://doi.org/10.1145/3487553.3524645Due to the widespread availability of smartphones and digital cameras with GPS functionality, the number of photos associated with geographic coordinates or geoinformation on the internet is continuously increasing. Besides the obvious benefits of ...
- research-articleNovember 2020
How to Tune Parameters in Geographical Ontologies Embedding
LocalRec'20: Proceedings of the 4th ACM SIGSPATIAL Workshop on Location-Based Recommendations, Geosocial Networks, and GeoadvertisingArticle No.: 2, Pages 1–9https://doi.org/10.1145/3423334.3431448Many Natural Language Processing (NLP) tasks, like question answering or analyzing verbatim comments, have started to use word embeddings due to their ability to capture semantic relations between words. Recently, embeddings have been also applied in ...
- research-articleSeptember 2020
A pragmatic guide to geoparsing evaluation: Toponyms, Named Entity Recognition and pragmatics
Language Resources and Evaluation (SPLRE), Volume 54, Issue 3Pages 683–712https://doi.org/10.1007/s10579-019-09475-3AbstractEmpirical methods in geoparsing have thus far lacked a standard evaluation framework describing the task, metrics and data used to compare state-of-the-art systems. Evaluation is further made inconsistent, even unrepresentative of real world usage ...
- research-articleApril 2020
Enhancing local live tweet stream to detect news
Geoinformatica (KLU-GEIN), Volume 24, Issue 2Pages 411–441https://doi.org/10.1007/s10707-019-00392-9AbstractTwitter captures invaluable information about real-world news, spanning a wide scale from large national/international stories like a presidential election to small local stories such as a local farmers market. Detecting and extracting small news ...
- research-articleSeptember 2019
Microblogs data management: a survey
The VLDB Journal — The International Journal on Very Large Data Bases (VLDB), Volume 29, Issue 1Pages 177–216https://doi.org/10.1007/s00778-019-00569-6AbstractMicroblogs data is the microlength user-generated data that is posted on the web, e.g., tweets, online reviews, comments on news and social media. It has gained considerable attention in recent years due to its widespread popularity, rich content, ...
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- posterApril 2019
e-Governance and Digitalization of Indian Rural Development
ICEGOV '19: Proceedings of the 12th International Conference on Theory and Practice of Electronic GovernancePages 494–496https://doi.org/10.1145/3326365.3326438In a developing country like India, where more than half the population, resides in rural spaces, it becomes essential that the policies are made with an orientation towards the rural development. The Ministry of Rural development, as the face of ...
- research-articleNovember 2018
Enhancing Local Live Tweet Stream to Detect News
LENS'18: Proceedings of the 2nd ACM SIGSPATIAL Workshop on Analytics for Local Events and NewsArticle No.: 4, Pages 1–10https://doi.org/10.1145/3282866.3282868Twitter captures invaluable information about real-world news, spanning a wide scale from large national/international stories like a presidential election to small local stories such as a local farmers market. Detecting and extracting small news for a ...
- articleJune 2018
What's missing in geographical parsing?
Language Resources and Evaluation (SPLRE), Volume 52, Issue 2Pages 603–623https://doi.org/10.1007/s10579-017-9385-8Geographical data can be obtained by converting place names from free-format text into geographical coordinates. The ability to geo-locate events in textual reports represents a valuable source of information in many real-world applications such as ...
- posterNovember 2017
Finding and Tracking Local Twitter Users for News Detection
SIGSPATIAL '17: Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information SystemsArticle No.: 64, Pages 1–4https://doi.org/10.1145/3139958.3141797The popular micro-blogging service, Twitter, hides invaluable information about real world events. Extracting such information, especially local news, exerts a measure of influence over various applications such as situation awareness and disaster ...
- short-paperNovember 2017
Geotagging IP Packets for Location-Aware Software-Defined Networking in the Presence of Virtual Network Functions
SIGSPATIAL '17: Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information SystemsArticle No.: 9, Pages 1–4https://doi.org/10.1145/3139958.3139979A substantial portion of global telecommunication is based on the Internet Protocol (IP), where IP packets are routed from a source host to a destination host via a communication network. While there is some loose connection between IP addresses and ...
- research-articleFebruary 2017
Towards Location Approximation of Typhoon Related Discourse: On Region Definition and Temporal Segmentation
ICMLC '17: Proceedings of the 9th International Conference on Machine Learning and ComputingPages 482–492https://doi.org/10.1145/3055635.3056624Tweets have augmented disaster information in variety of ways. Different tools employ tweets as a data source to aid in disaster event detection, knowledge extraction and situational awareness. A constant problem faced by these efforts, however, is the ...
- research-articleNovember 2016
Mapping Historical Documents to Geographical Space
MOBIQUITOUS 2016: Adjunct Proceedings of the 13th International Conference on Mobile and Ubiquitous Systems: Computing Networking and ServicesPages 142–146https://doi.org/10.1145/3004010.3004028Geotagging is the process of recognizing place and facility names in a document, and assigning each set of latitude and longitude values. In the latter step, an external geographic database, which contains pairs of place/facility names and latitude/...
- research-articleSeptember 2016
Compression of multiple user photo galleries
Image and Vision Computing (IAVC), Volume 53, Issue CPages 68–75https://doi.org/10.1016/j.imavis.2015.12.002The possibility of sharing multimedia contents in easy and ubiquitous way has brought to the creation of multiuser photo albums. Pictures and video sequences taken by different people attending common social events (e.g., concerts and sport competitions)...
- research-articleAugust 2016
Aerial image sequence geolocalization with road traffic as invariant feature
Image and Vision Computing (IAVC), Volume 52, Issue CPages 218–229https://doi.org/10.1016/j.imavis.2016.05.014The geolocalization of aerial images is important for extracting geospatial information (e.g. the position of buildings, streets, and cars) and for creating maps. The standard is to use an expensive aerial imaging system equipped with an accurate GPS ...
- articleJune 2015
Urban photograph localization using the INSTREET application--accuracy and performance analysis
Multimedia Tools and Applications (MTAA), Volume 74, Issue 12Pages 4369–4380https://doi.org/10.1007/s11042-013-1538-1The paper proposes a solution to the problem of geolocation of photographs by using an algorithm to compare their content against a geolocated database of street view images, and analyzing the performance of the algorithm. The algorithm makes it ...
- research-articleFebruary 2015
Look, listen and find
Information Sciences: an International Journal (ISCI), Volume 295, Issue CPages 558–572https://doi.org/10.1016/j.ins.2014.10.021The proposed system pioneers purely audiovisual geotagging at Earth scale.Our proposal builds on our previous expertise on environmental sound recognition.It outperforms all MediaEval2011 audiovisual and visual-content based geotaggers. Tagging videos ...
- research-articleDecember 2013
Automatic GEO-MASHUP generation of outdoor activities
- Steven Verstockt,
- Viktor Slavkovikj,
- Pieterjan De Potter,
- Baptist Vandersmissen,
- Jurgen Slowack,
- Rik Van de Walle
MoMM '13: Proceedings of International Conference on Advances in Mobile Computing & MultimediaPages 100–103https://doi.org/10.1145/2536853.2536949In this paper, we describe a novel approach for the automatic generation of a GEO-MASHUP related to a user his outdoor activities. Each mashup consists of online geotagged media resources related to the geographic keypoints where the outdoor activity ...
- research-articleFebruary 2013
Modeling locations with social media
Information Retrieval (INFRE), Volume 16, Issue 1Pages 30–62https://doi.org/10.1007/s10791-012-9195-yAbstractIn this paper we focus on the locations explicit and implicit in users descriptions of their surroundings. We propose a statistical language modeling approach to identifying locations in arbitrary text, and investigate several ways to estimate the ...
- ArticleNovember 2012
Extracting Touristic Information from Online Image Collections
SITIS '12: Proceedings of the 2012 Eighth International Conference on Signal Image Technology and Internet Based SystemsPages 482–488https://doi.org/10.1109/SITIS.2012.77In this paper, we present a Geographical Information Retrieval system, which aims to automatically extract and analyze touristic information from photos of online image collections (in our case of study Flickr). Our system collect all the photos, and ...
- ArticleNovember 2012
Design of GeoConscious P2P Content-based Image Retrieval
BWCCA '12: Proceedings of the 2012 Seventh International Conference on Broadband, Wireless Computing, Communication and ApplicationsPages 82–87https://doi.org/10.1109/BWCCA.2012.23In this article, we focus on the design of an agent-based P2P system for egeoconscious' image retrieval. This system constitutes intelligent agents on the structured P2P framework PIAX (P2P Interactive Agent extension), which is especially enhanced for ...