If you made any changes in Pure these will be visible here soon.

Research Output 1990 2019

Filter
Conference contribution
2016
8 Citations (Scopus)
87 Downloads (Pure)

Automated semantic trajectory annotation with indoor point-of-interest visits in urban areas

de Graaff, V., de By, R. A. & van Keulen, M., 4 Apr 2016, SAC'16, Proceedings of the 31st ACM Symposium on Applied Computing, ACM SAC 2016. New York: Association for Computing Machinery (ACM), p. 552-559 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Open Access
File
Semantics
Trajectories
Processing
Data mining
Students

Yield mapping for different crops in Sudano-Sahelian smallholder farming systems : results based on metric Worldview and decametric SPOT-5 Take5 time series

Blaes, X., Lambert, M-J., Chomé, G., Traore, P. S., de By, R. A. & Defourny, P., 9 May 2016, Proceedings of ESA Living Planet Symposium 2016. ESA, 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2015
1 Citation (Scopus)
9 Downloads (Pure)

Generic knowledge-based analysis of social media for recommendations

de Graaff, V., van de Venis, A., van Keulen, M. & de By, R. A., 20 Sep 2015, CBRecSys 2015, New Trends on Content-Based Recommender Systems: Proceedings of the 2nd Workshop on New Trends on Content-Based Recommender Systems co-located with 9th ACM Conference on Recommender Systems (RecSys 2015). Bogers, T. & Koolen, M. (eds.). New York: CEUR-WS.org, p. 22-29 8 p. (CEUR Workshop Proceedings; vol. 1448).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Open Access
File
Recommender systems
Semantics
52 Downloads (Pure)

Spatiotemporal Behavior Profiling: A Treasure Hunt Case Study

de Graaff, V., Pfoser, D., van Keulen, M. & de By, R. A., 21 May 2015, Web and Wireless Geographical Information Systems: 14th International Symposium, W2GIS 2015, Grenoble, France, May 21-22, 2015, Proceedings. Gensel, J. & Tomko, M. (eds.). Berlin: Springer, p. 143-158 16 p. (Lecture Notes in Computer Science; vol. 9080).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Open Access
File
Trajectories
Students
Inspection
Semantics

STARS project overview

de By, R. A., 14 Sep 2015, Cassava Whitefly Workshop, 14 September 2015, NaCRRI, Namulonge, Uganda. Kampala, p. s1-s18

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

The potential of very high spatial remote sensing in smallholder agriculture

Stratoulias, D., de By, R. A., Zurita-Milla, R., Bijker, W., Tolpekin, V. A., Schulthess, U. & Ahmed, Z. U., 19 Oct 2015, Proceedings of ACRS 2015 : the 36th Asian conference on remote sensing: fostering resilient growth in Asia. Pathumthani: Asian Association on Remote Sensing, 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2013
5 Citations (Scopus)

Point of interest to region of interest conversion

de Graaff, V., de By, R. A., van Keulen, M. & Flokstra, J., Nov 2013, SIGSPATIAL'13: Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. New York: Association for Computing Machinery (ACM), p. 388-391 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Trajectories
2012
2 Citations (Scopus)

Concepts, Compass and Computation: Models for Directional Part-Whole Relationships

Singh, G., de By, R. A. & Ivanova, I., 2012, Computational Science and Its Applications – ICCSA 2012, 12th International Conference, Salvador de Bahia, Brazil, June 18-21, 2012, Proceedings, Part II. Murgante, B. & [et al], . (eds.). Berlin: Springer, p. 286-301 16 p. (Lecture Notes in Computer Science; vol. 7334).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

cognition
conceptual framework
GIS
history

Interpretation models for non-standard compass directions : extended abstract

Singh, G. & de By, R. A., 18 Sep 2012, Proceedings of GIScience 2012, Seventh International Conference on Geographic Information Science, Columbus, Ohio, 18-21 September 2012, book of extended abstracts. Xiao, N., Kwan, M. P. & Lin, H. (eds.). 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Models for half - direction based part - whole relationships

Singh, G. & de By, R. A., 6 Nov 2012, Proceedings of the ACM SIGSPATIAL International Workshop on GeoStreaming, IWGS 2012: November 6, 2012, Redondo Beach, California, USA. Ali, M., Banaei-Kashani, F. & Hoel, E. G. (eds.). New York: Association for Computing Machinery (ACM), p. 23-31 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Models for Professional Cyclic Activities in VGI with a Case in Coffee Farming

Kagoyire, C. & de By, R. A., 2012, Proceedings of First ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information. p. 70-76 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

3 Citations (Scopus)

Towards Geosocial Recommender Systems

de Graaff, V., van Keulen, M., de By, R. A. & de By, R. A., 16 Apr 2012, 4th International Workshop on Web Intelligence & Communities (WI&C 2012). New York: Association for Computing Machinery (ACM), p. 8:1-8:4 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2011

Searching for spatial data resources by fitness for use

Ivanova, I., Morales Guarin, J. M., Gebresilassie, M. A. & de By, R. A., 12 Oct 2011, Proceedings of the 7th international symposium on spatial data quality, 12-14 October 2011, Coimbra, Portugal. Fonte, C. C., Concalves, L. M. S. & Concalves, G. (eds.). Coimbra: Instituto de Engenharia de Sistemas e Computadores de Coimbra (INESC Coimbra), p. 127-132 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Uncertainty in agricultural integrated assessment workflows in the SDI framework : abstract.

Imran, M., Zurita-Milla, R. & de By, R. A., 2011, Spatial statistics 2011: mapping global change, abstracts for the conference, 23-25 March, 2011, University of Twente, Enschede, The Netherlands. Stein, A., Pebesma, E. & Heuvelink, G. B. M. (eds.). Enschede: University of Twente, 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2010

Developing a distance education programming skills course fo geo - information sciences and earth observation students + powerpoint

Ivanova, I., Huisman, O., de By, R. A., Rutzinger, M., Bakker, W., Feringa, W. F. & Retsios, V., 2010, ISPRS 2010 : ISPRS mid - term symposium commission VI : cross-border education for global geo - information. International Society for Photogrammetry and Remote Sensing (ISPRS), p. 62p.-67p. + 1s-39s

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2009

Design templates for real - time geo - processing workflows

Morales Guarin, J. M. & de By, R. A., 2009, Proceedings of the 6th international symposium on digital earth : Digital earth in action, 9-12 September 2009, Beijing China. Beijing : International Society for Digital Earth (ISDE), 2009. 8 p.. Beijing, China: International Society for Digital Earth (ISDE), 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

The SDI - light OSGEO stack at ITC

Köbben, B., Lemmens, R., Morales Guarin, J. M., de By, R. A. & Foerster, T., 2009, Proceedings of OSGIS: 1st open source GIS UK conference, 22nd June 2009, the Centre for Geospatial Science, University of Nottingham, UK. Nottingham, UK: University of Nottingham, p. 1-6 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Open Access
2008
1 Citation (Scopus)

Self - instructive course on principles of databases

Ivanova, I., Feringa, W. F., de By, R. A. & Retsios, V., 2008, Sharing good practices : e-learning in surveying, geo - information sciences and land administration, proceedings FIG International Workshop 11-13 June 2008 ITC, Enschede The Netherlands Enschede : Apeldoorn : Fredrikshaven : ITC, Kadaster, FIG, 2008. ISBN 978-90-6164-271-8. pp. 35-50. Enschede, The Netherlands: International Institute for Geo-Information Science and Earth Observation, p. 35-50

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2007
3 Citations (Scopus)

Metrics for vague spatial objects based on the concept of mass

Dilo, A., de By, R. A. & Stein, A., 2007, FUZZ-IEEE 2007 : Intelligence is Fuzzy : IEEE International Conference on Fuzzy Systems Imperial College, London, UK 23-26 July, 2007. IEEE, 2007. ISBN 1-4244-1210-2. pp. 804-809. London, UK: IEEE, p. 804-809

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Towards routine large - scale spatial event simulations : poster

Augustijn, P. W. M. & de By, R. A., 2007, Proceedings Geocomputation 2007: the art and science of solving complex spatial problems with computers, 3-5 September 2007, NUI Maynooth, Ireland. Maynoot : National University of Ireland (NUI), 2007. Maynoot, Ireland: National University of Ireland, 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2006

Configuration problem and description logic : towards automated species distribution mapping

Pérez Lapeña, B., de By, R. A. & Corsi, F., 2006, Tropical biodiversity : science, data, conservation : proceedings of the 3rd GBIF Science Symposium, Brussels, 18-19 April 2005. / ed. by H. Segers, P. Desmet and E. Baus. Brussels : Belgian Science Policy, 2006. pp. 122-131. Segers, H., Desmet, P. & Baus, E. (eds.). Brussels, Belgium: Belgian Science Policy, p. 122-131

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Explorative research on methods for discrete space - time simulation integrated with the event - based approach and agent concept

Zhou, Y., de By, R. A. & Augustijn, P. W. M., 2006, Proceedings of Geoinformatics 2006: Geospatial information technology, 28-29 October 2006, Wuhan, China. Wu, H. & Zhu, Q. (eds.). Bellingham: SPIE, p. 64211D-1 - 64211D-11 11 p. (SPIE proceedings series; no. 6421).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

9 Citations (Scopus)

Semantic and syntactic service descriptions at work in geo service chaining

Lemmens, R., Granell, C., Wytzisk, A., de By, R. A., Gould, M. & van Oosterom, P., 2006, Proceedings of the 9the AGILE conference on geographic information science, shaping the future of geographic information science in Europe, Visegrad, Hungary, 20-22 April 2006. Székesfehérvár. Székesfehérvár : University of West Hungary Press, p. 51-61 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2005

A proposal for spatial relations between vague objects

Dilo, A., de By, R. A. & Stein, A., 2005, Proceedings of the International Symposium on Spatial Data Quality '2005, August 25-26, 2005, Beijing / ed. by Lun Wu, Wenzhong Shi, Yu Fang and Qingxi Tong. Hong Kong : The Hong Kong Polytechnic University, 2005. pp. 50-59.. Wu, L., Shi, W., Fang, Y. & Tong, Q. (eds.). Hong Kong, China: Hong Kong Polytechnic University, p. 50-59

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2004

Definition and implementation of vague objects

Dilo, A., de By, R. A. & Stein, A., 2004, Proceedings of the 3rd International Symposium on Spatial Data Quality ISSDQ'04, Bruck an der Leitha, Austria, April 15-17th, 2004. / ed. by A. Frank and E. Grum. Vienna: Technical University of Vienna, 2004. pp. 139-145. Frank, A. & Grum, E. (eds.). Vienna, Austria: Vienna University of Technology, p. 139-145

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

143 Citations (Scopus)
1 Downloads (Pure)

Spatiotemporal Compression Techniques for Moving Point Objects

Meratnia, N., de By, R. A. & de By, R. A., Mar 2004, Proceedings of the 9th International Conference on Extending Database Technology (EDBT 2004). Bertino, E. (ed.). Berlin, Germany: Springer, p. 765-782 18 p. 10.1007/b95855. (Lecture Notes of Computer Science; vol. 2992).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

6 Citations (Scopus)

Storing and handling vague spatial objects

Dilo, A., Kraipeerapun, P., Bakker, W. H. & de By, R. A., 2004, Proceedings of the 15th International workshop on database and expert systems applications DEXA'04, Zaragoza, September 2-3 2004. Los Alamitos : IEEE, 2004. ISBN 0-7695-2195-9 . pp. 945-950. Los Alamitos, USA: IEEE, p. 945-950

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

5 Citations (Scopus)

Technologies and standards on spatial data sharing

Gong, J., Shi, L., Du, D. & de By, R. A., 2004, ISPRS 2004 : proceedings of the XXth ISPRS congress : Geo-imagery bridging continents, 12-23 July 2004, Istanbul, Turkey. Comm. IV WG IV/2. pp. 118-128. Istanbul, Turkey: International Society for Photogrammetry and Remote Sensing (ISPRS), p. 118-128

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2003

A new perspective on trajectory compression techniques

Meratnia, N. & de By, R. A., 2003, Proceedings of ISPRS Commission II and IV, Working Groups II/5, II/6, IV/1 and IV/2 Joint Workshop on Spatial, Temporal and Multi-dimensional Data Modelling and Analysis, October 2-3, 2003, Quebec city, Canada. 8 p.. Quebec city, Canada: International Society for Photogrammetry and Remote Sensing (ISPRS), 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

A New Perspective on Trajectory Compression Techniques

Meratnia, N. & de By, R. A., 2003, Proceedings of ISPRS Commission II and IV. Working Groups II/5, IV/1 and IV/2 Joint Workshop on Spatial, Temporal and Multidimensional Data Modelling and Analysis. Quebec City, Canada, p. - 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Trajectory registration and compression for regular traffic

Meratnia, N. & de By, R. A., 2003, Proceedings of the 5th geomatic week : cartography, telematics and navigation, 11-14 February 2003, Barcelona, Spain. 10 p.. Barcelona, Spain, 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Trajectory Registration and Compression for Regular Traffic

Meratnia, N. & de By, R. A., 2003, Proceedings of the 5th Geomatic Week "Cartography, Telematics and Navigation". Barcelona, Spain, p. - 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

8 Citations (Scopus)
14 Downloads (Pure)

Trajectory Representation in Location-Based Services: Problems and Solution

Meratnia, N., de By, R. A. & de By, R. A., Dec 2003, Proceedings of the Fourth International Conference on Web Information Systems Engineering Workshops (WISEW'03). Los Alamitos: IEEE Computer Society, p. 18-24 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

File

Trajectory representation in location - based services : problems and solutions

Meratnia, N. & de By, R. A., 2003, Proceedings of the 3rd IEEE Workshop on Web and Wireless Geographical Systems (W2GIS 2003) in conjunction with the Fourth International Conference on Web Information Systems Engineering (WISE), 13 December 2003, Rome, Italy. 7 p.. Rome, Italy: IEEE, 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2002
35 Citations (Scopus)
99 Downloads (Pure)

Aggregation and comparison of trajectories

Meratnia, N. & de By, R. A., 8 Nov 2002, Proceedings of the 10th ACM international symposium on Advances in geographic information systems. Voisard, A. & Chen, S. (eds.). New York: ACM Press, p. 49-54 6 p. 10.1145/585147.585158

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

File

Aggregation and comparison of trajectories

Meratnia, N. & de By, R. A., 2002, Proceedings of the 10th ACM International Symposium on Advances in Geographic Information Systems ACM-GIS, McLean, 8-9 November 2002. 6 p.. McLean, USA: Association for Computing Machinery (ACM), 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Approaches towards integration and comparison of trajectories

Meratnia, N., Kainz, W. & de By, R. A., 2002, ACSM - ASPRS 2002 Annual Conference Proceedings : Washington, D.C., USA, April 19-26 2002. 7 p.. Washington D.C., USA: American Society for Photogrammetry and Remote Sensing (ASPRS), 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Approaches Towards Integration and Comparison of Trajectories

Meratnia, N., Kainz, W. & de By, R. A., 2002, Proceedings of the ACSM-ASPRS 2002 Annual Conference. Maryland, U.S.A.: American Society for Photogrammetry & Remote Sensing, p. - 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Distributed GIS and metadata : methods for the description of interoperable GIS components

Lemmens, R. & de By, R. A., 2002, International workshop on mobile and internet GIS, Wuhan, China, August 15-16, 2002. ISPRS Commission II Symposium, Working group 5. 9 p.. Wuhan, China: International Society for Photogrammetry and Remote Sensing (ISPRS), 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Facilitating interdiciplinary sciences by the integration of a clos(i) based database with bio - metadata : ISPRS commission IV, WG IV-2

Campos dos Santos, J. L., de By, R. A., Apers, P. M. G. & Magalhaes, C., 2002, ISPRS 2002 : SDH 2002 : CIG 2002 : proceedings of the joint ISPRS commission IV symposium, Spatial Data Handling and 95th annual CIG geomatics conference : Geospatial theory, processing and applications, July 9-12, 2002 Ottawa, Canada. - Ottawa : Canadian Institute of Geomatics (CIG), 2002. CD-ROM. 6 p.. Ottawa, Canada: Canadian Institute of Geomatics (CIG), 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Geo - ICT technology push vs. market pull

van Oosterom, P. J. M., Lemmen, C., de By, R. A. & Tuladhar, A., 2002, Unknown.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Spatio - temporal methods to reduce data uncertainty in restricted movement on a road network

Meratnia, N., Kainz, W. & de By, R. A., 2002, ISPRS 2002 : SDH 2002 : CIG 2002 : proceedings of the joint ISPRS commission IV symposium, Spatial Data Handling and 95th annual CIG geomatics conference : Geospatial theory, processing and applications, July 9-12, 2002 Ottawa, Canada. - Ottawa : Canadian Institute of Geomatics (CIG), 2002. CD-ROM. 12 p.. Ottawa, Canada: Canadian Institute of Geomatics (CIG), 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2001

Moving objects data modeling

Meratnia, N. & de By, R. A., 2001, Proceedings of ASPRS 2001 Conference: Gateway to the New Millennium, St. Louis, Missouri, USA., 23-27 April 2001. 9 p.. St. Louis, USA: American Society of Photogrammetry and Remote Sensing (ASPRS), 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Moving Objects Data Modeling

Meratnia, N. & de By, R. A., 2001, Proceeding of ASPRS 2001, Gateway to the New Millennium. St. Louis, Missouri, U.S.A., p. - 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2000
1 Citation (Scopus)

Interannual variability of NDVI and species richness in Kenya

Oindo, B. O., Skidmore, A. K. & de By, R. A., 2000, ISPRS 2000 congress : geoinformation for all : Amsterdam, the Netherlands, 16-23 July, 2000. part 7D pp. 1402-1409. Amsterdam, The Netherlands: International Society for Photogrammetry and Remote Sensing (ISPRS), p. 1402-1409

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Open Access

Monitoring and analysis of water pollution using temporal GIS

Meratnia, N., Duzgun, F. & de By, R. A., 2000, ISPRS 2000 congress : geoinformation for all : Amsterdam, the Netherlands, 16-23 July, 2000, part B7 pp. 861-867. Amsterdam, The Netherlands: International Society for Photogrammetry and Remote Sensing (ISPRS), p. 861-867

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1999

A three - dimensional topological data model for urban applications

Saadi Mesgari, M., de By, R. A. & Kainz, W., 1999, Proceedings of the thematic conference and exhibition on geomatics, May 1999, National Cartographic Centre of Iran (NCC), Tehran, 1999. 9 p.. Tehran, Iran: NCC, 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1998

Integrating organisational and transactional aspects of cooperative activities

Faase, F. J., Even, S. J., de By, R. A. & Apers, P. M. G., Aug 1998, Database Programming Languages: 6th International Workshop, DBPL-6 Estes Park, Colorado, USA, August 18–20, 1997, Proceedings. Cluet, S. & Hull, R. (eds.). Berlin, Heidelberg: Springer, p. 336-354 19 p. (Lecture Notes in Computer Science; vol. 1369).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Specification languages
Specifications
1997

Integrating organizational and transactional aspects of cooperative activities

Faase, F. J., Even, S. J., Apers, P. M. G. & de By, R. A., 27 Jan 1997, Proc. of the Sixth International Workshop on Database Programming Languages (DBPL). Estes Park, Colorado, USA, p. - 19 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionProfessional

1996
2 Citations (Scopus)
13 Downloads (Pure)

Translating OSQL-Queries into Efficient Set Expressions

Steenhagen, H. J., Steenhagen, H. J., de By, R. A. & Blanken, H., Mar 1996, Proceedings of the 5th International Conference on Extending Database Technology (EDBT). Berlin: Springer, p. 183-197 15 p. 10.1007/BFb0014139. (Lecture Notes in Computer Science; vol. 1057).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

File