Results 11 to 20 of about 23,649,541 (290)

Geographical Information Retrieval with Ontologies of Place [PDF]

, 2001
Geographical context is required of many information retrieval tasks in which the target of the search may be documents, images or records which are referenced to geographical space only by means of place names.
Tudhope, Douglas, Alani, Harith, Jones, Christopher B.   +2 more
core   +2 more sources

Issues in public information systems development: The impact of regionalised organisational structure [PDF]

, 2011
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel UniversityThis thesis highlights the critical impact the effects of regionalised organisational structure and external political pressures have on the development of ...
Folkerd, Christopher
core   +7 more sources

Information systems evaluation in the public sector [PDF]

, 2002
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Investment appraisal techniques (TAT) range from quantitative (financially based) techniques to qualitative (non-financially based) techniques, and ...
Khalifa, Ghassan R
core   +6 more sources

An interactive learning environment in geographical information systems [PDF]

, 1998
The Unigis Learning Station is a computer‐based learning management tool for the Postgraduate Diploma in Geographical Information Systems by distance learning (correspondence).
Cornelius, Sarah, Heywood, Ian, Sarah Cornelius, Ian Heywood   +3 more
core   +1 more source

Crisis Response Information Networks [PDF]

, 2012
Journal of the Association of Information Systems13131 ...
Leidner, Dorothy E., Pan, G., Leidner, D.E., PAN, Shan L., PAN, Gary, Pan, S.L., LEIDNER, Dorothy, Shan Pan, null null, Dorothy Leidner, Gary Pan   +10 more
core   +1 more source

Building a Spatially-Embedded Network of Tourism Hotspots From Geotagged Social Media Data

IEEE Access, 2018
The rapid development of social media and location-based service has generated a myriad of spatial data tagged with geo-information. Constructing a network of tourism hotspots using these geotagged data would improve our understanding of tourism ...
Xinyu Wu, Zhou Huang, Xia Peng, Yiran Chen, Yu Liu   +4 more
doaj   +1 more source

How to quantify the travel ratio of urban public transport at a high spatial resolution? A novel computational framework with geospatial big data

International Journal of Applied Earth Observations and Geoinformation, 2023
Improving the travel ratio of public transportation (PTR) is important for realizing low-carbon transportation and sustainable city development. However, limited by data resolution and model accuracy, existing research rarely involves the spatially ...
Ganmin Yin, Zhou Huang, Liu Yang, Eran Ben-Elia, Liyan Xu, Bronte Scheuer, Yu Liu   +6 more
doaj   +1 more source

Ground Validation and Error Sources Identification for GPM IMERG Product over the Southeast Coastal Regions of China

Remote Sensing, 2020
The Integrated Multi-satellitE Retrievals for the Global Precipitation Measurement mission (IMERG) has been widely evaluated. However, most of these studies focus on the ultimate merged satellite-gauge precipitation estimate and neglect the valuable ...
Xinxin Sui, Zhi Li, Ziqiang Ma, Jintao Xu, Siyu Zhu, Hui Liu   +5 more
doaj   +1 more source

A fine-grained navigation network construction method for urban environments

International Journal of Applied Earth Observations and Geoinformation, 2022
Fine-grained navigation is becoming increasingly demanded in urban areas. However, current navigation software fails to provide accurate paths on grounds without roads (GWR) like residential communities, squares, parks, etc.
Xiayin Lou, Min Sun, Shihao Yang
doaj   +1 more source

Investigating Snow Cover and Hydrometeorological Trends in Contrasting Hydrological Regimes of the Upper Indus Basin

Atmosphere, 2018
The Upper Indus basin (UIB) is characterized by contrasting hydrometeorological behaviors; therefore, it has become pertinent to understand hydrometeorological trends at the sub-watershed level.
Iqra Atif, Javed Iqbal, Muhammad Ahsan Mahboob   +2 more
doaj   +1 more source