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Natural Conversational Interfaces to Geospatial Databases

Guoray Cai, Hongmei Wang, Alan M. MacEachren, Sven Fuhrmann
2005 Transactions on GIS  
At the implementation level, our approach is to introduce a dialogue agent, GeoDialogue , between a user and a geographical information server.  ...  geographical information systems.  ...  Introduction Today, the majority of geographical information users are not experts in operating a geographical information system (GIS).  ... 
doi:10.1111/j.1467-9671.2005.00213.x fatcat:kqdfkrmwsjcd3grwooyuc4jn2m

Spatial network modeling for databases

Virupaksha Kanjilal, Markus Schneider
2011 Proceedings of the 2011 ACM Symposium on Applied Computing - SAC '11  
as a specification for their later implementation in spatial database systems and GIS.  ...  Database support for large spatial networks in order to represent, store, query, and manipulate them is rare.  ...  The data model is accompanied by some common operations, and the Spatial Networks Query Language (SNQL) demonstrates how the operations may be used in a database context.  ... 
doi:10.1145/1982185.1982365 dblp:conf/sac/KanjilalS11 fatcat:7ijl6cwypja25if577jycmc4ye

Evaluation of Database Modeling Methods for Geographic Information Systems

Thanasis Hadzilacos, Nectaria Tryfona
1998 Australasian Journal of Information Systems  
By employing, at each phase, representative models of classical and object-oriented approaches we assess their efficiency in spatial data handling.  ...  We analyze the use of a specific database design methodology including the phases of conceptual, logical and physical modeling.  ...  Desiderata for the geographic database design of geographic applications In this section we give a set of exemplary problems for spatial systems on which the suitability of a model will be tested.  ... 
doi:10.3127/ajis.v6i1.314 fatcat:tmsyn4jdprev3o5rj5tmo272xu

An introduction to spatial database systems

Ralf Hartmut G�ting
1994 The VLDB journal  
We propose a definition of a spatial database system as a database system that offers spatial data types in its data model and query language and supports spatial data types in its implementation, providing  ...  Spatial database systems offer the underlying database technology for geographic information systems and other applications.  ...  Acknowledgments I wish to thank Max Egenhofer, Andre Frank, Hans-Jörg Schek, and Timos Sellis, who carefully read a draft version of this survey and provided many interesting and useful comments.  ... 
doi:10.1007/bf01231602 fatcat:k4sijxjpqfhfdhwelx6talmrqu


S. Saran, P. Singh, K. N. Ganeshaiah, H. Padalia, K. Oberoi
2018 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
This paper presents the model based on the study of different metadata standards and to develop a recommended standard for biodiversity information to support interoperability among heterogeneous databases  ...  </strong> Recently, numerous frameworks and tools are being developed for enhancing access to data and services with a standardized view to communicate the advances in open information sharing.  ...  Metadata instances based on a common metadata schema have a high degree of 'semantic interoperability' (Forte et al. 1999) .  ... 
doi:10.5194/isprs-archives-xlii-5-791-2018 fatcat:cujpmjw7tjbv5nrlhzohgvczy4

Report on Workshop on Very Large Spatial Databases

Terence R. Smith, Andrew Frank
1990 Journal of Visual Languages and Computing  
At this workshop, 42 participants from the U.S. and Europe discussed research issues related to the design of database management systems for geographic information systems and identified a long-term research  ...  agenda germane to the development of the next generation of geographic information systems.  ...  The specialist meeting provided an invaluable forum for discussion of Very Large Spatial Databases and this open exchange of ideas has cast a new light on the subject and has led to a reevaluation of priorities  ... 
doi:10.1016/s1045-926x(05)80011-4 fatcat:r622vebffvgqdhk2bvyficjvhm

Data and databases for decision support

Anne M. Roberts, Roger V. Moore
1998 Hydrological Processes  
Therefore, either a common interface to these different databases, or a database system capable of holding all environmental data is required.  ...  However, this will not be a viable option once they are included in operational systems.  ... 
doi:10.1002/(sici)1099-1085(199805)12:6<835::aid-hyp657>;2-p fatcat:mdzsrgpfq5adjlgr4uzpt2hu7u

Open licensing and databases

Simone Aliprandi
2012 International Free and Open Source Software Law Review  
Data and databases are a complex, nuanced area within intellectual property law.  ...  read: «The proposed Directive creates a legal framework for the establishment and operation of an Infrastructure for Spatial Information in Europe, for the purpose of formulating, implementing, monitoring  ...  At the date of writing, the geographical data of the OpenStreetMap project are released to the public with a Creative Commons Attribution-ShareAlike 2.0 38 ; however a process of transition has already  ... 
doi:10.5033/ifosslr.v4i1.62 fatcat:tjowwguj6bglvjal7ffyuqm53u

Spatial Datawarehousing [chapter]

Alejandro A. Vaisman, Esteban Zimányi
2017 Encyclopedia of Database Systems  
Geographical information systems (GIS) and data warehousing share the common interest to analyze data and to facilitate decision-making processes.  ...  in corporate as well as scientific databases.  ...  The work in [161] defines a spatial data warehouse as a conventional data warehouse that contains both spatial data and non-spatial data.  ... 
doi:10.1007/978-1-4899-7993-3_80810-1 fatcat:7yo63qvmhfadzn5vwn2x7bizku

Toward dynamic real-time geo-location databases for TV white spaces

Ahmed Saeed, Mohamed Ibrahim, Khaled A. Harras, Moustafa Youssef
2015 IEEE Network  
DynaWhite proposes the development of a new generation of geo-location databases that combine conventional geo-location databases with novel unconventional sensing approaches based on the detection of  ...  We first identify temporal and spatial wasted spectrum opportunities due to the current approach of white spaces detection.  ...  The common thing about these two scenarios is that both of them represent a geographically TV set-free area that was defined earlier as Geographic White Spaces.  ... 
doi:10.1109/mnet.2015.7293309 fatcat:75wrlkiabjgenf2zg5tfezkkv4

Array databases: concepts, standards, implementations

Peter Baumann, Dimitar Misev, Vlad Merticariu, Bang Pham Huu
2021 Journal of Big Data  
Consequently, such approaches have to be considered a serious option for datacube services in science, engineering and beyond.  ...  As it turns out, Array Databases can offer significant advantages in terms of flexibility, functionality, extensibility, as well as performance and scalability—in total, the database approach of offering  ...  GeoTrellis [44, 45] is a geographic data processing engine for high performance applications.  ... 
doi:10.1186/s40537-020-00399-2 fatcat:mu4pujkjdndytmbgb67rgs733e

Landscape classification using GIS and national digital databases

Lars Brabyn
1996 Landscape Research  
database and a vegetation database.  ...  GIS and national digital databases can incorporate these criteria in a landscape classification and this is demonstrated on a transect of the South Island of New Zealand, using mainly a 1 :250,000 topographical  ...  National digital databases The term digital database, for this study, refers to geographical databases that are in digital format and that can be incorporated in a GIS.  ... 
doi:10.1080/01426399608706493 fatcat:hycxklr4f5c3xnqpz5dcs2oevu

Real-time wildfire monitoring using scientific database and linked data technologies

Manolis Koubarakis, Charalambos Kontoes, Stefan Manegold
2013 Proceedings of the 16th International Conference on Extending Database Technology - EDBT '13  
The service is now operational at the National Observatory of Athens and has been used during the previous summer by emergency managers monitoring wildfires in Greece.  ...  The service makes heavy use of scientific database technologies (array databases, SciQL, data vaults) and linked data technologies (ontologies, linked geospatial data, stSPARQL) and is implemented on top  ...  (iii) Pre-processing of the MSG/SEVIRI dataset to be evaluated.  ... 
doi:10.1145/2452376.2452452 dblp:conf/edbt/KoubarakisKM13 fatcat:oy77m4godfag3m2x5ys2vqxe64

Fuzzy Spatial Data Types and Predicates: Their Definition and Integration into Query Languages [chapter]

Markus Schneider
2004 Spatio-Temporal Databases  
In spatial databases and GIS they are important for formulating spatial selections and spatial joins.  ...  Specialized systems like geographical information systems (GIS) and spatial database systems to a certain extent provide the needed technology to support these applications.  ... 
doi:10.1007/978-3-662-09968-1_12 fatcat:6e3ogv5hsba4fdkl4franydlia

Ring-constrained join

Man Lung Yiu, Panagiotis Karras, Nikos Mamoulis
2008 Proceedings of the 11th international conference on Extending database technology Advances in database technology - EDBT '08  
We introduce a novel spatial join operator, the ring-constrained join (RCJ).  ...  Clearly, RCJ is defined based on a geometric constraint but not on distances between points.  ...  INTRODUCTION In this paper, we identify a novel spatial join operator, called ring-constrained join (RCJ).  ... 
doi:10.1145/1352431.1352504 fatcat:u565q5djxvdt3ifukpgxzuw5v4
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