Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/10671
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dc.contributor.authorKUIJPERS, Bart-
dc.contributor.authorMiller, Harvey-
dc.contributor.authorNeutens, Tijs-
dc.contributor.authorOTHMAN, Walied-
dc.date.accessioned2010-03-04T10:58:12Z-
dc.date.available2010-03-04T10:58:12Z-
dc.date.issued2009-
dc.identifier.citationKuijpers, Bart & Pedreschi, Dino & Saygin, Yucel & Spaccapietra, Stefano (Ed.) Dagstuhl Seminar Proceedings 08471 "Geographic Privacy-Aware Knowledge Discovery and Delivery".-
dc.identifier.issn1862 - 4405-
dc.identifier.urihttp://hdl.handle.net/1942/10671-
dc.description.abstractSpace-time prisms capture all possible spatio-temporal locations of a moving object between sample points given speed limit constraints on its movement. These sample points are usually considered to be perfect measurements. In this paper we restrict ourselves to a road network and extend the notion of sample points to sample regions, which are bounded, sometimes disconnected, subsets of space-time wherein each point is a possible location, with its respective probability, where a moving object could have originated from or arrived in. This model allows us to model measurement errors, multiple possible simultaneous locations and even flexibility of a moving object. We develop an algorithm that computes the envelope of all space-time prisms that have an anchor in these sample regions and we developed an algorithm that computes for any spatio-temporal point the probability with which a space-time prism, with anchors in these sample regions, contains that point. We implemented these algorithms in Mathematica to visualise all these newly-introduced concepts.-
dc.language.isoen-
dc.publisherLZI-
dc.titlePropagating and measuring anchor uncertainty in space-time prisms on road networks-
dc.typeProceedings Paper-
local.bibliographicCitation.authorsKuijpers, Bart-
local.bibliographicCitation.authorsPedreschi, Dino-
local.bibliographicCitation.authorsSaygin, Yucel-
local.bibliographicCitation.authorsSpaccapietra, Stefano-
local.bibliographicCitation.conferencenameDagstuhl Seminar 08471 "Geographic Privacy-Aware Knowledge Discovery and Delivery"-
local.bibliographicCitation.conferenceplaceDagstuhl, Germany, 16.11. - 21.11.2008-
local.format.pages35-
local.bibliographicCitation.jcatC1-
local.type.refereedRefereed-
local.type.specifiedProceedings Paper-
dc.bibliographicCitation.oldjcatC2-
dc.identifier.urlhttp://drops.dagstuhl.de/opus/frontdoor.php?source_opus=2007-
local.bibliographicCitation.btitleDagstuhl Seminar Proceedings 08471 "Geographic Privacy-Aware Knowledge Discovery and Delivery"-
item.accessRightsOpen Access-
item.fullcitationKUIJPERS, Bart; Miller, Harvey; Neutens, Tijs & OTHMAN, Walied (2009) Propagating and measuring anchor uncertainty in space-time prisms on road networks. In: Kuijpers, Bart & Pedreschi, Dino & Saygin, Yucel & Spaccapietra, Stefano (Ed.) Dagstuhl Seminar Proceedings 08471 "Geographic Privacy-Aware Knowledge Discovery and Delivery"..-
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