Differences

This shows you the differences between two versions of the page.

--- research:rfid [2010/07/27 17:56] – kpinte
+++ research:rfid [2011/09/12 18:50] (current) – kpinte
@@ Line 1: / Line 1: @@
-====== Software Abstractions for the Development of Mobile RFID-enabled Applications ======
+====== Distributed Object-Oriented Programming with RFID Technology ======
 //Representing RFID-tagged physical objects as **mutable software objects**//.
 [[http://soft.vub.ac.be/soft/members/kevinpinte|Kevin Pinte]] and [[http://soft.vub.ac.be/~alombide|Andoni Lombide Carreton]]
+<note>
+This page is under construction, some sections are not yet completed. Please refer to the [[:research:rfid#further_reading|futher reading]] section for a full text.
+</note>
 ==== RFID-enabled Library ====
-The RFID-enabled library is a //mobile RFID-enabled application// and illustrates the kind of application we target. The application runs on a mobile device, such as a smartphone and shows the books that are in the vicinity of the user and allows certain operations to be performed on them. Users can attach a small review message to a book, rate a book or associate keywords with the book, etc. This data is all stored on the book directly, using RFID tag(s). The application lets the user also filter the books based on rating or comparison with a keyword profile describing the user's preferences. For example, the user could just swipe his smartphone over a shelf of books and discover which books on the shelf are must-read books!
+The RFID-enabled library is a //mobile RFID-enabled application (MoREnA)// and illustrates the kind of application we target. The application runs on a mobile device, such as a smartphone and shows the books that are in the vicinity of the user and allows certain operations to be performed on them. Users can attach a small review message to a book, rate a book or associate keywords with the book, etc. This data is all stored on the book directly, using RFID tag(s). The application lets the user also filter the books based on rating or comparison with a keyword profile describing the user's preferences. For example, the user could just swipe his smartphone over a shelf of books and discover which books on the shelf are must-read books!
 == Towards naturally expressing RFID applications ==
@@ Line 31: / Line 34: @@
 ==== Requirements ====
-To align physical objects tagged with writable RFID tags as true mutable software objects we model these objects as proxy objects acting as stand-ins for physical objects. For this model to be applicable to mobile RFID- enabled applications, it must adhere to the following requirements:
+To align physical objects tagged with writable RFID tags as true mutable software objects we model these objects as proxy objects acting as stand-ins for physical objects. For this model to be applicable to mobile RFID-enabled applications, it must adhere to the following requirements:
-  - **Addressing physical objects** RFID communication is based on broad- casting a signal. However, to be able to associate a software object with one particular physical object, it is necessary to address a single designated physical object.
+  - **Addressing physical objects** RFID communication is based on broadcasting a signal. However, to be able to associate a software object with one particular physical object, it is necessary to address a single designated physical object. Object identities of digital objects should always correspond to object identities of physical objects.
   - **Storing application-specific data on RFID tags** Since mobile RFID- enabled applications do not rely on a backend database, the data on the RFID tags should be self-contained and stored on the writable memory of the tags.
-  - **Reactivity to appearing and disappearing objects** It is necessary to observe the connection, reconnection and disconnection of RFID tags to keep the proxy objects synchronized with their physical counterparts. Differen- tiating between connection and reconnection is important to preserve the identity of the proxy object. Furthermore, it should be possible to react upon these events from within the application.
+  - **Reactivity to appearing and disappearing objects** It is necessary to observe the connection, reconnection and disconnection of RFID tags to keep the proxy objects synchronized with their physical counterparts. Differentiating between connection and reconnection is important to preserve the identity of the proxy object. Furthermore, it should be possible to react upon these events from within the application.
-  - **Asynchronous communication** To hide latency and keep applications responsive, communication with proxy objects representing physical objects should happen asynchronously. Blocking communication will freeze the ap- plication as soon as one physical object is unreachable.
+  - **Asynchronous communication** To hide latency and keep applications responsive, communication with proxy objects representing physical objects should happen asynchronously. Blocking communication will freeze the application as soon as one physical object is unreachable.
   - **Fault-tolerant communication** Treating communication failures as the rule instead of the exception allows applications to deal with temporary unavailability of the physical objects and makes them resilient to failures. For example, read/write operations frequently fail due hardware phenomena.
@@ Line 125: / Line 128: @@
 == Multiway References ==
+{{:research:typesoftags.png?400|:research:typesoftags.png}}
@@ Line 156: / Line 161: @@
   - **Asynchronous communication** Interacting with physical objects is achieved by using the message passing metaphor on the proxy objects, by means of asynchronous message passing and asynchronous signaling of return values.
   - **Fault-tolerant communication** Communication failures are considered the rule rather than the exception. Failures that must be considered permanent are detected and raise the appropriate exceptions.
 ==== Further Reading ====
-  * Distributed Object-Oriented Programming with RFID Technology. Andoni Lombide Carreton, Kevin Pinte, Wolfgang De Meuter. In Lecture Notes in Computer Science, vol. 6115, Eliassen F, Kapitza R (eds.), 2010; 56–69. [{{:research:mobile_rfid.pdf|download}}((The original publication is available at [[http://www.springerlink.com|www.springerlink.com]].))].
+  * Distributed Object-Oriented Programming with RFID Technology. Andoni Lombide Carreton, Kevin Pinte, Wolfgang De Meuter. In Lecture Notes in Computer Science, vol. 6115, Eliassen F, Kapitza R (eds.), 2010; 56–69. [{{:research:mobile_rfid.pdf|download}}((The original publication is available at [[http://www.springerlink.com/content/517t6667573653m2|www.springerlink.com]].))].