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A Guide to Best-Fit Applications for Active RFID System AlternativesWireless systems have evolved to successfully penetrate the world of personal communications, where virtually all people can talk as needed on-demand with a feature rich and flexible set of alternatives. This world of people talking is now being complemented with a wireless world of all things “talking” – in other words, all things are becoming wireless. As these new systems continue to evolve to meet their best-fit applications in the enterprise, matching each one’s unique characteristics to the application is not always clear to the prospective end user or even to a providing system integrator.
Passive RFID system solutions are well known for their strengths and weaknesses in various tagging applications from access control to the supply chain. Active RFID/RTLS offers many more application opportunities for labor free automatic identification, counting, locating, sensing and protecting of assets; however, active RFID solutions today are being addressed using a handful of different system architectures. The mapping of best-fit characteristics for each is critical to achieving a workable system with the necessary reliability and at the lowest cost. What follows is a best-fit application analysis of the various active RFID system architecture alternatives for enterprise tagging solutions.
The Foundation
Enterprise RFID systems can generally be categorized as either “passive” or “active,” with passive tags using the received signal for power and active tags using an embedded battery for power. Passive deployments typically occur in the high-frequency and ultra-high-frequency (HF/UHF) radio bands with applications such as the tracking of goods in the supply chain. They typically haveImplementing a Caching and Tiling Map Server: a Web 2.0 Case StudyModern Geographical Information Systems (GIS) [1] provide a service-oriented architecture for interacting with geographical data sets and related maps. Web-based GIS systems are architected around the same principles as more general Web service systems based on SOAP [2], WSDL [3], and REST. Mirroring the World Wide Web Consortium and OASIS Web service standards-making bodies, the Open Geospatial Consortium [5] defines open standards for messages, XML data formats, and access protocols that are specific to the GIS community. In addition to OGC-based services, there are many companies (such as ESRI and AutoDesk) that provide proprietary, commercial solutions. Services from these various providers are not normally interoperable.
The methods of the traditional GIS community have been challenged in the last two years by the emergence of new, lighter-weight approaches towards building clients and integrating data. The availability of Google Maps, Google Earth, Microsoft’s TeraServer, Yahoo! Maps and similar systems has enabled enthusiasts and part-time developers to make highly interactive Web interfaces to these companies’ services and to integrate their maps with local data. Google Maps in particular is an important example of the so-called Web 2.0 development approach [6]: Google has built and maintains a high performance, highly scalable map service (available for free) that has a relatively simple, JavaScript-based programming interface. This simple but powerful public interface to a very complicated service is the hallmark of Web 2.0, since it democratizes the client development process: very little programming skill is required to build custom Web applications and to combine them with dataInstallation Procedure Of BOSS LiveCD On HdBoot with BOSS LiveCD, Create two seperate partitions on your harddisk let us call as sda1 and sda2 .Then sda1 will be of 5GB(min 2GB) and sda2 for swap (double the RAM). *Format sda1 using ext3 filesystem and sda2 with swap. # mkfs.ext3 /dev/sda1 # mkswap /dev/sda2 *mount sda1 in /mnt/sda1 #mount /dev/sda1 /mnt/sda1 *copy /BOSS/* to /mnt/sda1 => #cp Rpdv /BOSS/* /mnt/sda1 *Edit the /etc/fstab #vi /mnt/sda2/etc/fstab ADD:: /dev/sda2 / /dev/sda3 swap
*Edit menu.lst # vi /mnt/sda1/grub/menu.lst
Download PDF for Installation Procedure Of BOSS LiveCD On HdJ#.NET - Advantages for the Java DeveloperThe Java language has revolutionized the way we program applications for the Internet. Two great ideas make this language so promising:
• Applications written using Java run on multiple different platforms.
• Automatic memory management or garbage collection (GC) comes as a great relief for developers.
Other than these two issues, most of the remaining Java features can be implemented using the majority of other languages. Since its first public release in 1995, the Java language has been maturing and consolidating its position in the market as an increasing number of organizations realize its built-in strengths.
In the beginning, there were efforts to dilute Java's increasing popularity and to prove it to be just like any other language. Various sources attempted to prove that Java applications don't perform alike on all platforms, especially with respect to speed. But Java stood the test of time and emerged even stronger. Ironically, Microsoft stood isolated, even after having produced the world's fastest and best Java compiler and JVM implementation. (Microsoft's Java compiler can compile 10,000 lines of code per second.) Much of the Java API competes directly with Microsoft's API: JDBC with ODBC, JTAPI with TAPI, JDO with ADO, JSP with ASP, Bean with COM, and so on.
Though Java has had huge success, it has also left some problems unattended. Sun initially stated that with Java, "write once run anywhere" is possible; after introducing J2EE, however, Sun admitted that the "one size fits all" plan doesn't work. Java also failed to capture the desktop application market. WhenJacORB 2.1 Programming GuideThe idea behind CORBA is to model distributed resources as objects that provide a well-defined interface, and to invoke services through remote invocations (RPCs). Since the transfer syntax for sending messages to objects is strictly defined, it is possible to exchange requests and replies between processes running program written in arbitrary programming languages and hosted on arbitrary hardware and operating systems. Target addresses are represented as Interoperable Object References (IORs), which contain transport addresses as well as identifiers needed to dispatch incoming messages to implementations.
Interfaces to remote objects are described declaratively in an programming language-independent Interface Definition Language (IDL), which can be used to automatically generate language-specific stub code.
It is important to stress that:
• CORBA objects are abstract entities seen by clients and represented by artifacts in potentially arbitrary, even non-OO languages. These artifacts are called servants in CORBA terminology.
• CORBA objects achieve location transparency, i.e., clients need not be (and generally are not) aware of the actual target hosts where servants reside. However, complete distribution transparency is not achieved in the sense that clients would not notice a difference between a local function call and a remote CORBA invocation. This is due to factors such as increased latency, network error conditions, and CORBA-specific initialization code in applications, and data type mappings.
Download pdf JacORB 2.1 Programming GuideJUDIE TutorialJUDIE stands for Java Universal Database Import and Export. It was planned to allow users and developers to export data from one database to XML and import from this XML into another database. There are many use cases like data migration or setup of test databases. XML allows you to manipulate the data, maybe you already have XML export from legacy system and you can now transform this XML files (using XSLT) to JUDIE format. Also export from other tools (like db/Torque) can be easily transformed into JUDIE format and vice versa (see functional specification for more information about XML Schema/DTD).
JUDIE is OpenSource and published under LGPL. Everyone is free to use it with own applications. JUDIE is based on JDBC and allows to connect to a large number of database systems. JUDIE comes with a full API, a command line tool and with ant support. Also there is an Eclipse Plugin called JUDIEclipse4QuantumDB, see below.
Download pdf JUDIE TutorialExamples of Common QueriesHere are examples of how to solve some common problems with MySQL. Some of the examples use the table shop to hold the price of each article (item number) for certain traders (dealers). Supposing that each trader has a single fixed price per article, then (article, deal- er) is a primary key for the records.
Start the command-line tool mysql and select a database:
shell> mysql your-database-name
(In most MySQL installations, you can use the database named test).
You can create and populate the example table with these statements:
mysql> CREATE TABLE shop (
-> article INT(4) UNSIGNED ZEROFILL DEFAULT '0000' NOT NULL,
-> dealer CHAR(20)
DEFAULT ''
NOT NULL,
-> price
DOUBLE(16,2)
DEFAULT '0.00' NOT NULL,
-> PRIMARY KEY(article, dealer));
mysql> INSERT INTO shop VALUES
-> (1,'A',3.45),(1,'B',3.99),(2,'A',10.99),(3,'B',1.45),
-> (3,'C',1.69),(3,'D',1.25),(4,'D',19.95);
Download pdf Examples of Common QueriesHow to Use StreamSpin for Creating Your Own ServicesThe center for Data-intensive Systems (Daisy) at Aalborg University is currently working on a large project in which they combine the two worlds of Web 2.0 and Location-based services.
The project known as the StreamSpin-project currently employs numerous developers. Furthermore it is planned that students will have the opportunity to develop their own services for the system during the coming semesters in order to mature the system and its service deliveries.
It is the overall purpose of the StreamSpin project to be for Location-based services what YouTube is for video . Thereby, the vision is that virtually anybody should be able to create their own services and publish them to the masses or limit the publication to close friends.
The motivation behind the project is the vision that the web now is becoming more and more mobile. Hence the need for Location-based services will grow massively in the near future. People using mobile phones with GPS or other positioning systems will have the possibility of knowing their position at a given time.
This opens up for numerous advantageous scenarios in which a user of a mobile phone could retrieve information based on position, time and a customizable pro le. Systems that displays this behavior already exist, however the StreamSpin-project proposes that services are pushed to the mobile device rather than requested by the mobile device itself.
The aim of this short paper is to cover the most important issues involving the creation of services for the StreamSpin-project. This includes understanding the StreamSpin server structure andVengeance Motorcycles Owners Manual2004 Owners Manual Vengeance Warrior Vengeance Raider Vengeance Vertebreaker Vengeance Striker Vengeance Vendetta Vengeance Vindicator You and Your Motorcycle: Riding Tips Forward The publication “You and Your Motorcycle: Riding Tips” has been reprinted in it is entirily and included as a complete chapter in the Vengeance Motorcycles Owners Manual with the express written permission of the Motorcycle Safety Foundation (MSF).
This chapter or materials in this chapter may not be reproduced, for resale or otherwise, without the express written permission of the Motorcycle Safety Foundation.
Download PDF for Vengeance Motorcycles Owners ManualMicrosoft PowerPoint - wlan-security-is-in-the-architectureThe History of WLAN Network. Architecture 2/2. Separation of Networks, Access Controllers, VPN. The first real architectural change to improve security
Karri Huhtanen, managing director WLAN Security is in the Architecture ICEFIN Workshop presentation 28.4.2004 2 © 28.4.2004 Arch Red Oy, Karri Huhtanen, managing director The History of WLAN Network Architecture 1/2 • Completely Open Networks – No WEP encryption, no MAC address lists, itant access – No problems unless the lack of encryption and access control is coidered a one • Closed and Hidden Networks – WEP encryption, no network name (ESSID) in beacon messages – Interoperability problems with the WEP key length and with the non- standard beacon messages (no ESSID) • Enter the Access Control – MAC address access control lists in the access points or centralised in the RADIUS database – Scalability becomes an issue as only few access points are capable of using RADIUS. Usability is sacrificed because of the security, but the security on the other hand is reasonably strong. 3 © 28.4.2004 Arch Red Oy, Karri Huhtanen, managing director The History of WLAN Network Architecture 2/2 • Separation of Networks, Access Controlle, VPN – The fit
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