• Title, Summary, Keyword: Location-Based Service(LBS)

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OPEN LBS PLATFORM ARCHITECTURE

  • Choi, Hae-Ock
    • Proceedings of the KSRS Conference
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    • pp.854-859
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    • 2002
  • Location Based Services, or LBS refers to value-added service by processing information utilizing mobile user location. With the rapidly increasing wireless internet subscribers and world LBS market, the various location based applications are introduced such as buddy finder, proximity and security services. As the killer application of the wireless internet, the LBS has preconsidered technology about location determination technology, LBS middleware server for various application, and diverse contents processing technology. This paper describes the open architecture for LBS platform ensuring interoperability among the wireless networks and various location-based application services and the functional requirements for the LBS platform. The LBS platform in a narrow sense provides a standard interfaces for location management and network management for location services as follows, positioning (location acquisition through network or/and handset), location managing, location based functions, profile management, authentication and security, location based billing, information roaming between carriers and the system monitoring independent to specific network or ISP/CPs(Content Providers).

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Design and Implementation of Location Utility Service for LBS

  • Kim, K.S.;Kim, J.C.;Lee, J.W.;Park, J.H.
    • Proceedings of the KSRS Conference
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    • pp.849-851
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    • 2003
  • A location-based service or LBS in a cellular telephone network is a service provided to the subscriber based on his current geographic location. This position can be known by user entry or a GPS receiver that he carries with him, but most often the term implies the use of a function built into the cell network that uses the known geographic coordinates of the base stations through which the communication takes place. One implication is that knowledge of the coordinates is owned and controlled by the network operator, and not by the end user. Location utility service provides two kinds of functions, geocoder and reverse geocoder. Geocoder converts an address into a coordinate and reverse geocoder changes a coordinate into an address. Because location utility service is the first step to progress LBS, various servises such as directory, routing, presentation, and etc require to access that. In this paper, we will describe the architecture of LBS platform and the concept and the role of location utility service.

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The Implementation of OPENLS Presentation Service in Location Based System

  • Heo, Tae-Wook;Lee, Jun-Wook;Kim, Sung-Soo;Park, Jong-Hyun
    • Proceedings of the KSRS Conference
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    • pp.555-557
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    • 2003
  • Location-based services allow consumers to receive services based on their geographic location data. For example, businesses can provide information to find traffic facility, public restaurant, a hospital, and a station based on the consumer’s location at a particular moment. Also, they wish to grasp a accurate location based service in mobile device or PDA. So, this paper shows that presentation service offers a base-map to be overlaid OpenLS (Open Location Services)’s directory service, route determination service, geocode and reverse-geocode service. The presentation service is the portrayal of a map and portrayal of feature as map overlays.

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Trusted Certificate Validation Scheme for Open LBS Application Based on XML Web Services

  • Moon, Ki-Young;Park, Nam-Je;Chung, Kyo-Il;Sohn, Sung-Won;Ryou, Jae-Cheol
    • Journal of Information Processing Systems
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    • v.1 no.1
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    • pp.86-95
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    • 2005
  • Location-based services or LBS refer to value-added service by processing information utilizing mobile user location. With the rapidly increasing wireless Internet subscribers and world LBS market, the various location based applications are introduced such as buddy finder, proximity and security services. As the killer application of the wireless Internet, the LBS have reconsidered technology about location determination technology, LBS middleware server for various application, and diverse contents processing technology. However, there are fears that this new wealth of personal location information will lead to new security risks, to the invasion of the privacy of people and organizations. This paper describes a novel security approach on open LBS service to validate certificate based on current LBS platform environment using XKMS (XML Key Management Specification) and SAML (Security Assertion Markup Language), XACML (extensible Access Control Markup Language) in XML security mechanism.

A Study on the Application of Patient Location information for Healthcare System based on LBS (LBS 기반 Healthcare 시스템을 위한 환자 위치 정보 활용에 관한 연구)

  • Ahn, Jin-Soo;Heo, Jung-Il;Lim, Su-Young;Seo, Jung-Ho;Kim, Woo-Shik
    • 한국정보통신설비학회:학술대회논문집
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    • pp.381-385
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    • 2007
  • As development of wireless communication technology has promoted mobility, Location Based Service (LBS) became embossed. The LBS is a service to recognize and utilize a location of a person or a thing through a device that ensures mobility based on wireless communication network. This paper thus researches on Healthcare Method to respond to emergency rapidly by recognizing a patient's location with the LBS. The LBS also provides location information of a user as well as remote management of organism data such as ECG data or pulse, which is transferred to a hospital or an emergency room.

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The Empirical Study on User Factor of LBS(Location-Based Service) Application Service in Mobile (모바일 LBS(Location-Based Service)응용 서비스의 사용자요인에 대한 실증적 연구)

  • Yim, Ki-Heung;Park, Eun-A
    • Journal of Information Technology Services
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    • v.6 no.3
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    • pp.225-239
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    • 2007
  • Mobile service is highly becoming in the limelight on information society by offering infringement problem about individual privacy or information by political and scientific interest This study is focusing on primary LBS application Mobile service that emphasize position confirmation, especially, looking for friends. The aim at this study grasps user productivity factor of LBS application Mobile service, and analyses whether some have relations with value and action determination of LBS application Mobile service. According to result, Mobile service applying position service is supported with usefulness and system quality, adaptedness. On the other hand, Usability and social effect, privacy weren't embossed by leading person. Mobile service applying position service is changed with a person who have experience looking for friend. This study has systematically analysed about LBS application service by leading person

Design and Implementation of Open Service Platform for LBS (LBS를 위한 개방형 서비스 플랫폼의 설계 및 구현)

  • Min, Kyoung-Wook;Han, Eun-Young;Kim, Gwang-Soo
    • The KIPS Transactions:PartD
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    • v.11D no.6
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    • pp.1247-1258
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    • 2004
  • The LBS(Location-Based Service), which is based on individual's mobility, is required increasingly as mobile telecommunication and various infrastructures have developed rapidly. The technologies for LBS are location determination technology, service platform technology, contents provider technology and moving object database technology generally. Among these, service platform must be interoperable with location gate-way server and provide common function of billing, authentification, protect location information, privacy control, location trigger and intelligent acquisition and so on. The TTA(Telecommunications Technology Association) published specification that defines a standard protocol for safe and simple interface between LBS client and LBS platform and the OpenLS(Open Location Service) in OGC (Open GIS Consortium) released implementation specifications for providing Location based core services. In this paper, we implemented service platform for LBS which is able to interoperable with location gateway server and contents provider and is caracterized as follows. First, it could require and response location information from different types of location gateway server with same interface. Second, it complies with the standard interfaces with OpenLS 4 contents providers for core LBS. Third, it could provide location of wired phone as well as wireless mobile terminal compling with the standard protocol. Last, it could provide trajectorH information based past location as well as current location, because it is able to interoperable with moving object DBMS. This paper contributes to the construction and practical use of LBS by providing the method of implementation of service platform for LBS.

Business Models for Location Based Services (위치기반서비스의 비즈니스 모델)

  • Kim Tae-Sung;Jung Hyo-Jung;Nam Kwang-Woo
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.31 no.9B
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    • pp.848-856
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    • 2006
  • Location Based Service (LBS) is a service provided to the subscribers based on their (or others') geographical location. Interest in LBS has increased not only in the aspect of promoting utilization, including the public usage such as emergency rescue, but also in the aspect of protecting the personal location information of the subscribers. This study aims to suggest and classify the business models for LBS services, focusing on the flow of the personal location information. Each business model is reviewed from the perspective of protecting the location privacy of the subscribers.

OPTIMAL ROUTE DETERMINATION TECHNOLOGY BASED ON TRAJECTORY QUERYING MOVING OBJECT DATABASE

  • Min Kyoung-Wook;Kim Ju-Wan;Park Jong-Hyun
    • Proceedings of the KSRS Conference
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    • pp.317-320
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    • 2005
  • The LBS (Location-Based Services) are valuable information services combined the location of moving object with various contents such as map, POI (point of Interest), route and so on. The must general service of LBS is route determination service and its applicable parts are FMS (Fleet Management System), travel advisory system and mobile navigation system. The core function of route determination service is determination of optimal route from source to destination in various environments. The MODB (Moving Object Database) system, core part of LBS composition systems, is able to manage current or past location information of moving object and massive trajectory information stored in MODB is value-added data in CRM, ERP and data mining part. Also this past trajectory information can be helpful to determine optimal route. In this paper, we suggest methods to determine optimal route by querying past trajectory information in MODB system and verify the effectiveness of suggested method.

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Development of Location based Broadcast System Model for Real-time Traffic Information (실시간 교통 정보 제공을 위한 LBI 시스템 모델 개발)

  • Park, Hyun-Moon;Park, Woo-Chool;Park, Soo-Huyn
    • Journal of the Korea Society for Simulation
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    • v.19 no.2
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    • pp.137-145
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    • 2010
  • This study presents an RTS(Real-time Traffic System) based on an LBS(Location Based Service) using 5.8~5.9GHz RSU(Road Side Unit). The proposed LBI(Location based Broadcast system on ITS) is a local information-based service supported by RSU for drivers, which has a feature of convergence between T-DMB system and ITS-based RTS. The convergence of local broadcasting station and ITS is realized by two-way communication and supports LBS(Location Based Service) by identifying of vehicle's location using RSU. Real-time information delivery and various services could be provided by information exchanges between LMM and local broadcasting stations. Furthermore, conventional technical limitations have been solved mutually such as transmission area limitation in RTS and one-way communication problem in T-DMB. This support real-time two-way communication to each driver. Therefore, it can be expected that traffic dispersion effects and services expansion for drivers by RTS and LBI. Finally, it is proposed to built and implement test-bed around institute.