We explore in this paper the problem of generating broadcast programs in a heterogeneous data broadcasting environment, in which disseminated data items can be of different sizes. Given the broadcast database and the number of channels, we first derive the analytical model of the heterogeneous data broadcasting to obtain the average waiting time of mobile users, and prove the allocation problem as an NP-complete problem. In order to solve such problem, we propose a two-phase architecture to perform channel allocation. Algorithm DRP (Dimension R ....etc

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SEMIANR REPORT ON PROCESS RECOVERY IN HETEROGENEOUS SYSTEM

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Abstract

Heterogeneous computing environments, where computers may have different instruction set architectures, data representations, and operating systems, complicate checkpointing and recovery of processes. This paper describes an approach to recovery and an implementation, PREACHES, that provides portable checkpointing ....etc

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Abstract
The objective of this project is to explore a method to integrate multiple heterogeneous databases like MySql, Oracle, Sybase, Postgre, by taking the advantage of some of the latest Web technologies.It provides a global interface for these databases, accepts a query from the user in a natural language format(english), translates this query into SQL using a translator, then retrieves data from the database, displays the result to the user and convert it into a unified format. The unified format here we are using is XML.
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MobileNAT-a New Technique For Mobility across Heterogeneous Address Spaces ....etc

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Abstract
Databases and XML offer complementary functionality for storing data. Databases store data for efficient retrieval, whereas XML offers an easy information exchange that enables interoperability between applications. To take advantage of XML's features we can convert database tables into XML documents. We can then use XML tools with such documents for further processing. For example, XML documents can be presented as HTML pages with XSLT style sheets, can be searched with XML-based query languages such as XQL, can be used as a data-ex ....etc

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Abstract.
Heterogeneous wireless sensor network (heterogeneous WSN) consists of sensor nodes with different ability, such as different computing power and sensing range. Compared with homogeneous WSN, deployment and topology control are more complex in heterogeneous WSN. In this paper, a deployment and topology control method is presented for heterogeneous sensor nodes with different communication and sensing range. It is based on the irregular sensor model used to approximate the behavior of sensor nodes. Besides, a cost model is proposed t ....etc

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ABSTRACT
This project is an implementation of coarse grain heterogeneous distributed computing system for solving computational“intensive jobs. Those things that can be broken down into very small chunks of work are called fine-grained and those that require larger chunks are called coarse-grained. The system is also intended to work in a heterogeneous network, consisting of wide range nodes running different operating systems, varying processor speeds, hardware architectures etc.
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To support the retrieval, fusion and discovery of visual/multimedia information, a spatial query language for multiple data sources is needed. In this paper we describe a spatial query language interpreter which is based upon the a-operator sequence and in practice expressible in an SQL-like syntax. The algorithm for the a-query translator is explored in detail. The implementation of the algorithm including data structures, pseudo-codes and source codes in C is presented. Query examples handled successfully by the a-query implementation are als ....etc

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INTRUSION DETECTION IN HOMOGENEOUS & HETEROGENEOUS WIRELESS SENSOR NETWORKS

Abstract: Intrusion detection in Wireless Sensor Network (WSN) is of practical interest in many applications such as detecting an intruder in a battlefield. The intrusion detection is defined as a mechanism for a WSN to detect the existence of inappropriate, incorrect, or anomalous moving attackers. In this paper, we consider this issue according to heterogeneous WSN models. Furthermore, we consider two sensing detection models: single-sensing detection and multiple- ....etc

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Abstract
Ambient Intelligence has acquired great importance in recent years and requires the development of new innovative solutions. This seminar presents a tele -monitoring system aimed at enhancing remote health care of dependent people at their homes. The system integrates distributed and heterogeneous Wireless Sensor Networks for optimizing the construction of ubiquitous scenarios. This approach provides the system with more flexibility to change its functionality and components after the initial deployment than other analyzed proposals. ....etc

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