ABSTRACT
The concept of a middleware was introduced to facilitate communication between entities in a heterogeneous distributed computing environment. The main task of an event-based middleware is to disseminate data to all interested parties in a largescale distributed system. Hence, an event model is needed to describe how data, and interest in that data, is expressed in the system i.e. event publication and event subscription respectively. In our system, we represent an event as an object and the event model is illustrated using a sample a ....etc

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looking for history of rover technology in enabling scalable location aware computing in wikipedia ....etc

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The SMILE project is developing a new type of messaging middleware system to simplify integration of distributed enterprise applications. Currently, many enterprises use publish-subscribe, request-reply and queuing messaging technologies to glue together their distributed applications into a complex, expensive and virtually unmanageable bodies of code. The vision with SMILE is to give enterprise developers a higher level model for programming and managing distributed messaging systems a way to specify a system in terms of what , but not how . ....etc

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to get information about the topic mobile middleware for application development full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-on-event-based-middleware-for-location-aware-mobile-applications

http://seminarsprojects.net/Thread-mobile-application-development-with-android

http://seminarsprojects.net/Thread-wireless-application-protocol?pid=13011&mode=threaded ....etc

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I want a ppt which includes a seminar on privacy preserving location proof updating system on location based services applaus ....etc

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Submitted by
PANKAJ GULERIA
ARMY INSTITUTE OF TECHNOLOGY


Chapter 1
INTRODUCTION
1.1BACKGROUND
Location-aware computing involves the automatic tailoring of information and services based on the current location of the user. We have designed and implemented Rover, a system that enables location-based services, as well as the traditional time-aware, user-aware and device-aware services. To achieve system scalability to very large client sets, Rover servers are implemented in an action-based concurrent sof ....etc

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Abstract
A distributed system is a piece of software that ensures a collection of independent computers to appear to its users as a single coherent system. The software simulating this is a distributed system simulator. A Distributed system simulator is used for evaluating the performance of the different algorithms such as middleware routing algorithms. In actual implementation it is difficult to evaluate effectively a large-scale distributed system which has substantial resource requirements in terms of node count and network topology. This ....etc

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Domain
SOFTWARE ENGINEERING

Technology
JAVA

Abstract:
ON EVENT-BASED MIDDLEWARE FOR LOCATION-AWARE MOBILE APPLICATIONS

As mobile applications become more widespread, programming paradigms and middleware architectures designed to support their development are becoming increasingly important. The event-based programming paradigm is a strong candidate for the development of mobile applications due to its inherent support for the loose coupling between components required by mobile applications. However, existing middleware that ....etc

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Develop a middleware component for retrieving Stock Market Exchange information using CORBA

Stock Market.idl
module SimpleStocks{
interface StockMarket
{
float get_price(in string symbol);
};
};

StockMarketClient.java
import org.omg.CORBA.*;
import org.omg.CosNaming.*;
import SimpleStocks.*;

public class StockMarketClient
{

public static void main(String args)
{
try
{
ORB orb=ORB.init(args,null);
NamingContext ncRef=NamingContextHelper.narrow(orb.resolve_initial_references(NameService)); ....etc

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