Results 81 to 90 of about 19,531 (263)
Semantic Interoperability of Sensor Data with Volunteered Geographic Information: A Unified Model
ISPRS International Journal of Geo-Information, 2013 The increasing availability of sensor devices has resulted in important volumes of sensor data, which has raised the issue of making these data fully discoverable and interpretable by applications and end-users. The idea of OGC Sensor Web Enablement (SWE)
Jamal Jokar Arsanjani +3 more
doaj +1 more source
Clinical Oral Implants Research, EarlyView.ABSTRACT Objective Identification of the mandibular incisive canal (MIC) prior to anterior implant placement is often challenging. The present study aimed to validate an enhanced artificial intelligence (AI)‐driven model dedicated to automated segmentation of MIC on cone beam computed tomography (CBCT) scans and to compare its accuracy and time ...
Maria Fernanda Silva da Andrade‐Bortoletto +4 more
wiley +1 more source
Geographic-Aware Augmented Reality for VGI [PDF]
Advances in Cartography and GIScience of the ICA, 2019 Abstract. Volunteered Geographic Information (VGI) has been a constantly growing field over the last decade, but the utilised technologies (i.e., mobile phones) are not able to exploit the full potential concerning effort and accuracy of registering geographic data.
Bartosz Mazurkiewicz +4 more
openaire +3 more sources
A Survey of Volunteered Open Geo-Knowledge Bases in the Semantic Web
, 2013 Over the past decade, rapid advances in web technologies, coupled with innovative models of spatial data collection and consumption, have generated a robust growth in geo-referenced information, resulting in spatial information overload.
A. Ballatore +70 more
core +1 more source
Information, 2019 Volunteered geographic information (VGI) refers to geospatial data that is collected and/or shared voluntarily over the Internet. Its use, however, presents many limitations, such as data quality, difficulty in use and recovery.
Liliane Soares da Costa +3 more
doaj +1 more source
Assessing the Validity of OpenStreetMap for Food Environment Research
Geographical Analysis, EarlyView.ABSTRACT This study assessed agreement between food environment measures derived from OpenStreetMap (OSM) data, a commercial dataset, and an administrative dataset (the Canadian Food Environment Dataset, Can‐FED) to better understand the suitability of OSM food‐related data for food environment research.
Guangping Chen +3 more
wiley +1 more source
IMPROVING VOLUNTEERED GEOGRAPHIC DATA QUALITY USING SEMANTIC SIMILARITY MEASUREMENTS [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013 Studies have analysed the quality of volunteered geographic information (VGI) datasets, assessing the positional accuracy of features and the completeness of specific attributes.
A. Vandecasteele, R. Devillers
doaj +1 more source
Cone Beam CT Sialography for the Assessment of Submandibular Gland Structure in Diabetes Mellitus
Oral Diseases, EarlyView.ABSTRACT Objective To examine the anatomical and morphological structure and potential pathological conditions of the submandibular gland by performing Cone Beam Computed Tomography (CBCT) sialography in patients with diabetes mellitus. Study Design The submandibular salivary glands of 25 diabetic and 25 healthy volunteers were examined by CBCT ...
Muhammed Akif Sümbüllü +2 more
wiley +1 more source
Experiences with Citizen-Sourced VGI in Challenging Circumstances [PDF]
ISPRS International Journal of Geo-Information, 2017 The article explores the process of Volunteered Geographic Information (VGI) collection by assessing the relative usability and accuracy of a range of different methods (smartphone GPS, tablet, and analogue maps) for data collection among different demographic and educational groups, and in different geographical contexts within a study area ...
Hameed M, Fairbairn D, Speak S
openaire +4 more sources
Top guns may not fire:Best-shot group contests with group-specific public good prizes [PDF]
, 2013 We analyze a group contest in which n groups compete to win a group-specific public good prize. Group sizes can be different and any player may value the prize differently within and across groups.
Abbink +36 more
core +2 more sources