water wastewater and stormwater systems

... asset management systems for the water, wastewater, and stormwater systems Dublin also moved much of the GIS mapping and city assets to a mobile environment with wireless technology and GPS to allow ... boundaries, subdivisions, streets, parcels, and water (mains and hydrants), stormwater (sewers, structures, and streams), and sanitary sewer (sewers and manholes) systems Dublin, Ohio One of the fastest ... increased staff productivity and enhanced responsiveness to customers This chapter provides information on the GIS applications for serving water, wastewater, and stormwater system maps on the Internet...

Ngày tải lên: 11/08/2014, 13:22

... hardware), chip type and operating system than on desktop and server systems that have standardized on the Windows, Linux and Unix operating systems and very similar form factors Seldom hand-held GIS ... Dynamic and Mobile GIS: Investigating Changes in Space and Time Error and uncertainty The subjects of error and uncertainty are fundamental to dynamic spatial analysis and modelling (Zhang and Goodchild, ... Analysis, and Modeling, pp 19–40, Redlands, CA: ESRI Press Maguire, D J., Batty, M and Goodchild, M F (eds.) (2005) GIS, Spatial Analysis, and Modeling, Redlands, CA: ESRI Press Maguire, D J and Longley,...

Ngày tải lên: 12/08/2014, 04:22

... DAMPS, and IS95 CDMA); and 2.5G systems (including GPRS and CDMA) Third generation mobile communication systems (CDMA2000, WCDMA and TD-SCDMA) are now developing fast (Hasan and Lu, 2003; Haung and ... typhoon, flood, coast, and so on) and its emergency response systems, logistics management and scheduler systems for chain stores, and marketplace enterprise groups to control and reduce cost For ... (local diseases rates and guidelines, health risks and hazards, pollen and air condition alerts and maps); Real-time in-car navigation systems within intelligent navigation systems; Location tracking...

Ngày tải lên: 12/08/2014, 04:22

... al., 2000), and inertial tracking (e.g Scott-Young and Kealy, 2002) New positioning systems, such as audio-based positioning (Beresford and Stajano, 2003b; Scott and Dragovic, 2005) and radio signal ... 2001; Gruteser and Grunwald, 2003; Hong and Landay, 2004; Duckham and Kulik, 2005a) However, the use of inaccuracy has also been investigated and compared with imprecision in Duckham and Kulik (2005b) ... perspective, positioning systems are more usefully classified into client-based, network-based and network-assisted systems (Schilit and Theimer, 1994) In client-based positioning systems, mobile clients...

Ngày tải lên: 12/08/2014, 04:22

... and other information systems, including: an emphasis on attributes and relationships rather than process and change, the weakness of logic-based formal languages in dealing with operations and ... LLC Dynamic and Mobile GIS: Investigating Changes in Space and Time 84 the magnitude of groundwater in the process of groundwater flow, for example, may be of interest in understanding the impact ... experimental watershed', Water Resources Research, vol 37, no 11, pp 2817 © 2007 by Taylor & Francis Group, LLC 88 Dynamic and Mobile GIS: Investigating Changes in Space and Time McMaster, R and Usery,...

Ngày tải lên: 12/08/2014, 04:22

... LLC Dynamic and Mobile GIS: Investigating Changes in Space and Time 136 WHERE s.fl_line_id > and s.fl_line_id=r.object_id and s.tmax=0 and s.ogroup=6 and r.tmax=0 and r.ogroup=6 and s.r_obj_id ... > and s.line_id1=r.object_id and s.tmax=0 and s.ogroup=46 and r.tmax=0 and r.ogroup=6 and (s.object_id r.r_obj_id); /* CCVQ9 */ SELECT count(*),municip FROM mo_object WHERE pp_i_ltr='G' and ... xfio_boundary s, xfio_boundary r WHERE s.fl_line_id > and s.fl_line_id=r.object_id and s.tmax=0 and s.ogroup=6 and r.tmax=0 and r.ogroup=6 and (anypoint(s.shape, 1) anypoint(r.shape, 1)); /*...

Ngày tải lên: 12/08/2014, 04:22

... road lengths and angles © 2007 by Taylor & Francis Group, LLC 166 Dynamic and Mobile GIS: Investigating Changes in Space and Time and simplifying road shape, it is possible to clearly and concisely ... points on the route, and that precisely depicting the exact length, angle and shape of each road is much less important They show how these techniques are applied in handdrawn maps and demonstrate ... amalgamation, etc © 2007 by Taylor & Francis Group, LLC 164 Dynamic and Mobile GIS: Investigating Changes in Space and Time To understand the demands for mobile applications, the general user requirements...

Ngày tải lên: 12/08/2014, 04:22

... orientation φ and the orientation of the road element φi is modelled as zero-mean, normally distributed random variable F The standard deviation is σF The values for the standard deviations σB and σF ... statistically independent, random variables: The Euclidean distance b between vehicle position x and ki is modelled as zero-mean, normally distributed random variable B with standard deviation σB The ... 176 Dynamic and Mobile GIS: Investigating Changes in Space and Time maps and GPS is given in NCHRP (2002), for example The map database used by the authors is off-the-shelf and frequently...

Ngày tải lên: 12/08/2014, 04:22

... available, and the limited capabilities of both the hand-held hardware (screen size and quality, processing power and storage capacity) and the network data transfer speeds and bandwidth (Mountain and ... Space and Microprocess: Implementing a Practical Model for Mundane Socio-Spatial Systems , in Egenhofer, M J and Golledge, R G (eds.) Spatial and Temporal Reasoning in Geographical Information Systems, ... H J (2004) ‘Activities in space and time’, in Stopher, P., Button, K., Haynes, K and Hensher, D (eds.) Handbook of Transport 5: Transport Geography and Spatial Systems, St Louis, MD: Pergamon-Elsevier...

Ngày tải lên: 12/08/2014, 04:22

... overcoming spatial and temporal gaps of the traditional monitoring systems Early warning systems to protect environmental quality may emerge and benefit from these equipped and motivated citizens ... environmental monitoring systems has been one approach followed to increase public awareness and education on environmental problems and to provide timely information to citizens and decision makers ... have been designed for a variety of applications and goals, and are responsible for collecting and registering the baseline data of environmental systems Table 13.2 presents examples of criteria...

Ngày tải lên: 12/08/2014, 04:22

... Hägerstrand’s time geography (Hägerstrand, 1970) Most prominent is the work by Forer's group on visualising (and analysing) student lifestyles and tourism flows in New Zealand (Forer, 1998; Huisman and ... Riolo, R., Robinson, D T North, M and Rand, W (2005) ‘Spatial process and data models: Towards integration of agent-based models and GIS’, Journal of Geographical Systems, vol 7, pp 25–47 © 2007 ... space, and microprocess: Implementing a practical model for mundane socio-spatial systems , in Egenhofer, M J and Colledge, R G (eds.) Spatial and Temporal Reasoning in Geographic Information Systems, ...

Ngày tải lên: 12/08/2014, 04:22

... Chapter 15 Current and Future Trends in Dynamic and Mobile GIS Jane Drummond 1, Elsa João and Roland Billen Department of Geographical and Earth Sciences, University of Glasgow, ... evolution in GI systems: the mixing of space and time One Dynamic and Mobile GIS: Investigating Changes in Space and Time Edited by Jane Drummond, Roland Billen, ... of handling space and time in a coherent way; a constraint, for example, can be true at time t and false at time t+1 Considering research and business opportunities is both straightforward and...

Ngày tải lên: 12/08/2014, 04:22

... Starship Children’s Hospital, Park Road, Auckland, New Zealand 2Department of Engineering Science, The University of Auckland, Symonds Street, Auckland, New Zealand Authors’ contributions MB participated ... Starship Children’s Hospital in Auckland, New Zealand CW is a Senior Lecturer in the Department of Engineering Science at The University of Auckland in Auckland, New Zealand HC is an Orthopaedic Surgeon ... radiological analysis and drafted the manuscript CW performed the statistical analysis HC conceived of the study and participated in its design and coordination All authors read and approved the final...

Ngày tải lên: 20/06/2014, 04:20

... Starship Children’s Hospital, Park Road, Auckland, New Zealand 2Department of Engineering Science, The University of Auckland, Symonds Street, Auckland, New Zealand Authors’ contributions MB participated ... Starship Children’s Hospital in Auckland, New Zealand CW is a Senior Lecturer in the Department of Engineering Science at The University of Auckland in Auckland, New Zealand HC is an Orthopaedic Surgeon ... radiological analysis and drafted the manuscript CW performed the statistical analysis HC conceived of the study and participated in its design and coordination All authors read and approved the final...

Ngày tải lên: 20/06/2014, 07:20

... creation and packet delivery Core broadcasts a JREQ, and group members (S1 , S2 , R1 , and R2 ) send JREPs to their upstream nodes (resp., X, Core, Y, and Core) As a result, intermediate nodes (X and ... more reliability and robustness, and results in the consumption of less power In addition, it discovers routes and detects link failures on demand, thereby minimizing channel and storage overhead ... Su, and M Gerla, “On-demand multicast routing protocol in multihop wireless mobile networks,” Mobile Networks and Applications, vol 7, no 6, pp 441–453, 2002 O Stanze and M Zitterbart, “On-demand...

Ngày tải lên: 21/06/2014, 22:20

... architecture standards (e.g., GSM) Mobility Ì 6.5 Principles: addressing and routing to mobile users Ì 6.6 Mobile IP Ì 6.7 Handling mobility in cellular networks Ì 6.8 Mobility and higherlayer ... architecture standards (e.g., GSM) Mobility Ì 6.5 Principles: addressing and routing to mobile users Ì 6.6 Mobile IP Ì 6.7 Handling mobility in cellular networks Ì 6.8 Mobility and higherlayer ... architecture standards (e.g., GSM) Mobility Ì 6.5 Principles: addressing and routing to mobile users Ì 6.6 Mobile IP Ì 6.7 Handling mobility in cellular networks Ì 6.8 Mobility and higherlayer...

Ngày tải lên: 12/09/2012, 15:06

... lots and lots of cabmen as you know, hay is dear, and folks are paltry nowadays and always contriving to go by tram And yet, thank God, I have nothing to complain of I have plenty to eat and good ... shakes her head, rocks the cradle, and murmurs her song The green patch and the shadows from the trousers and the babyclothes move up and down, nod to her, and soon take possession of her brain ... has come to feed the baby, and is standing in the middle of the room While the stout, broad-shouldered woman nurses the child and soothes it, Varka stands looking at her and waiting till she Thank...

Ngày tải lên: 06/11/2012, 14:13

Ngày tải lên: 25/01/2013, 16:44

... about information and communication technology goods exports include telecommunications, audio and video, computer and related equipment; electronic components; and other information and communication ... continue the cycle of R&D and product development for a new product Standards-based innovation: This way mean the computer maker will based on standardized technology and market demand to build their ... continually improving in their performance, and expanding into new areas and applications As a consequence, standard technology allows for larger and homogenous markets While many leading innovator...

Ngày tải lên: 31/03/2013, 12:56