Would anyone be up for a weekend mapping party in Maynooth to follow up from this? It might be a good opportunity to attract new mappers if we can get it mentioned at the talk... a lot of Maynooth is well mapped already, but we can always add more detail.
Talk details: http://ncg.nuim.ie/ncg/events/20090702/index.shtml Speaker: http://ncg.nuim.ie/ncg/people/waltonfellows/samet/index.shtml cjb Christian van den Bosch wrote: > Prof. Hanan Samet, SFI Walton Fellow at the National Centre for > Geocomputation, NUI Maynooth > & Computer Science Department, University of Maryland > will present a Public Lecture on Thurs. evening., July 2nd 2009 in the > Hume Building, North Campus, NUI Maynooth > entitled: > > LOCATION, LOCATION, LOCATION: > CASTING A WIDE NET ON GEOGRAPHIC INFORMATION SYSTEMS (GIS) > > > > The lecture is preceded by a cheese and wine reception at 6pm in the > Board Room of the John Hume Building > with the lecture itself taking place at 6.30pm in Hume Lecture Theatre 4. > > All welcome. > RSVP to '[email protected]' by June 30th appreciated. > > Abstract > The popularity of web-based mapping services such as Google Earth/Maps > and Microsoft Virtual Earth (Bing), has led to an increasing awareness > of the importance of spatial data and its incorporation into both > web-based search and the databases that support it, whereas in the past > attention to spatial data had been primarily limited to geographic > information systems (GIS). An immediate byproduct of this awareness is > the expectation of a real time response as is the experience of users of > spreadsheets. Spatial data is distinguished from conventional data by > having extent, which means that rather than being limited to locations, > it also includes collections of locations [and, most importantly in both > cases, their attributes]. Having extent is challenging in several > respects. First, it is not easy to order such data which impacts the > ability to retrieve it quickly. Second, the specification of the data > is both vague and ambiguous by virtue of the amount of precision that is > needed to make it useful. The ambiguity is very clear when one > considers that a location as well as a collection of locations can be > specified either or both geometrically via, for example, its centroid or > its boundary, and verbally via the name that is used to refer to it. > The latter is both aided and complicated by the possible need to make > use of knowledge, whether implicit or explicit, of the information that > is inherent in its container hierarchy. In this lecture we explore how > these issues are manifested and resolved, both conceptually, and via > demonstrations of real systems, thereby demonstrating how wide a net has > been cast on geographic information systems by today’s applications. > > About Hanan > Hanan Samet (www.cs.umd.edu/~hjs) is a Professor of Computer Science at > the University of Maryland, College Park and a Science Foundation > Ireland (SFI) Walton Fellow at the National Centre for Geocomputation, > National University of Ireland, Maynooth. His research interests include > data structures, computer graphics, geographic information systems, > computer vision, robotics, and database management systems and he is the > author of over 300 publications on these topics. He was recently > presented with the 2009 UCGIS Research Award. > > > He is the author of the several books including most recently: > "Foundations of Multidimensional and Metric Data Structures" > (http://www.cs.umd.edu/~hjs/multidimensional-book-flyer.pdf), an award > winner in the 2006 best book in Computer and Information Science > competition of the Professional and Scholarly Publishers (PSP) Group of > the American Publishers Association (AAP), and of the first two books on > spatial data structures titled "Design and Analysis of Spatial Data > Structures", and "Applications of Spatial Data Structures: Computer > Graphics, Image Processing, and GIS". > > > > _______________________________________________ > Talk-ie mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk-ie -- Christian / cjb http://www.cjb.ie/ _______________________________________________ Talk-ie mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk-ie
