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--- people [2015/02/04 18:48]
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+++ people [2015/02/04 18:54]
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 As usual, the professor is not the one doing the real work. Please read on for more details on our research. It has received international recognition by the fact that Wolfgang has won the [[ http://www.aito.org/Dahl-Nygaard/2008.html | Dahl-Nygaard Award]] in 2008.
 =====
-== Prof. dr. Elisa Gonzalez Boix==
+== Prof. Dr. Elisa Gonzalez Boix==
 [[http://soft.vub.ac.be/~egonzale| Homepage]]
@@ Line 22: / Line 23: @@
 This research identified a number of criteria for a leasing model specially designed for MANETs and proposes the //leased object references// model which exhibits such criteria. Leased object references combine leasing with asynchronous communication into one coherent language abstraction that deals with both transient and permanent disconnections. We explored a language approach where dedicated language support is provided such that low-level leasing management concerns (e.g. lease renewal) can be abstracted away, and enables both lease holders (clients) and lease grantors (services) to deal with permanent failures.
 =====
-== Andoni Lombide Carreton ==
+== Dr. Christophe Scholliers ==
-[[http://soft.vub.ac.be/~alombide|Homepage]]
+[[http://wilma.vub.ac.be/~cfscholl/|Homepage]]
-The dynamic nature of ambient oriented applications makes it impossible to structure them as monolithic programs with a fixed input and output. Instead, a distributed event-driven architecture is required. Current event-driven architectures require distributed application components to react to events via a carefully crafted network of observers, event handlers or callback mechanisms which are scattered throughout the application code and can be triggered at any point in time. Such architectures are hard to develop, understand and maintain in all but the most trivial cases.
+Current-day applications for mobile phones and PDAs are often limited to miniature versions of standard desktop
+applications such as browsers, calendar and word processing applications. Only a fraction of the available
+applications allows the mobile devices to interact directly with their environment. One of the reasons for this is that
+even for the simplest interactions between mobile devices, the implementation needs to deal with a lot of problems
+that are inherent to a pervasive computing environment (e.g. frequent disconnections, dynamic discovery, etc.)
+Last year, I have been involved in the development of  (a concrete implementation of) the Fact Space Model, an
+extension to the tuple space model which provides fine-grained control over the effects of disconnections.
+Using a declarative language, every device can specify how it will adjust its behaviour in response to dynamic changes
+in its environment. Currently, I am working on an extension of this model that allows applications to work on shared and replicated data.
+The use of weak data replication in a mobile environment ensures that there is no need to stop an ongoing application when certain data cannot be synchronized.
-This poses a problem when we look at the new generation of disposable processing hardware, such as RFID tags. Ubiquitous applications will not only consist of peer-to-peer interactions, but will have to deal with clouds of volatile information disseminated in the network by omnipresent devices such as RFID tags or sensors.
-I am currently looking into programming abstractions that allow to specify which events to capture by distributed application components in a mobile ad hoc network. Furthermore, I am trying to come up with mechanisms that allow reacting to these events without relying on event handlers or other callback mechanisms. Finally, low level events should be processed (e.g. by combining them) such that they are on the semantic level of the application.
 =====
@@ Line 62: / Line 70: @@
 The relation of my research and AmOP is the //spontaneous collaborative manipulation of digital information//. One scenario is that multiple people can interact using their laptop or mobile device with a shared virtual smart-board over a wireless network. Another scenario is the peer-to-peer data exchange where one users 'throws' (gesture 1) data and another users 'catches' (gesture 2) it. This type of interaction is both distributed in the //actions// they perform (correlate the 'throw' and 'catch' from different devices) and in the //data// that is exchanged.
 =====
-== Eline Philips ==
-Nomadic networks fill the gap between fixed networks and mobile ad hoc networks (MANETs) as they consist of a group of mobile devices that can move around dynamically while trying to maintain a connection with a fixed infrastructure. My research focusses on the coordination of nomadic services by making use of workflows as they provide an additional layer of abstraction such that interactions among application components can be specified on a higher level and be reused because of their loose coupling with the fine-grained application logic. Unfortunately, current workflow systems do not meet all the requirements for the kinds of applications that we envision in nomadic networks, like connection
-volatility.
-AmbientTalk is a programming language which treats disconnections at the very heart of its computational model. Moreover, the language supports dynamic service discovery which is opportune for nomadic networks. Although this language is suited for writing applications for MANETs, the orchestration of these applications is still programmed in an ad hoc manner. Complex nomadic applications that consist of asynchronously executing distributed services become hard to develop, understand and reuse. I am currently working on the addition of an abstraction layer on top of AmbientTalk which implements
+=== Former Members ===
-workflow patterns. I am investigating which new patterns for nomadic networks can be added to this abstraction layer. Concretely, I want support for intensional descriptions of services, group communication, compensating actions and more advanced synchronisation.
+== Dr. Jessie Dedecker ==
+[[http://www.dedecker.org|Homepage]]
-=====
+My current research topic revolves around collaborative ambient-oriented programming abstractions.  This involves abstractions for expressive coordination of groups of ambient objects.  In this context I am also investigating replication strategies suitable for disconnected operation.
-== Christophe Scholliers ==
-[[http://wilma.vub.ac.be/~cfscholl/|Homepage]]
-Current-day applications for mobile phones and PDAs are often limited to miniature versions of standard desktop
+Apart from my research on AmOP I also have a general interest in dynamic object-oriented programming languages, concurrency and distribution.
-applications such as browsers, calendar and word processing applications. Only a fraction of the available
-applications allows the mobile devices to interact directly with their environment. One of the reasons for this is that
-even for the simplest interactions between mobile devices, the implementation needs to deal with a lot of problems
-that are inherent to a pervasive computing environment (e.g. frequent disconnections, dynamic discovery, etc.)
-Last year, I have been involved in the development of  (a concrete implementation of) the Fact Space Model, an
-extension to the tuple space model which provides fine-grained control over the effects of disconnections.
-Using a declarative language, every device can specify how it will adjust its behaviour in response to dynamic changes
-in its environment. Currently, I am working on an extension of this model that allows applications to work on shared and replicated data.
-The use of weak data replication in a mobile environment ensures that there is no need to stop an ongoing application when certain data cannot be synchronized.
-=====
-== Jorge Vallejos ==
-[[http://soft.vub.ac.be/~jvallejo|Homepage]]
-The focus of my research is to investigate the context-awareness property in the field of Ambient Intelligence. My particular interest is to explore the ways in which the computational context surrounding mobile applications, may influence their behaviour. For further information about my work please visit the [[research:context|Context-Dependent Behaviour Adaptations]] section of this site.
 =====
@@ Line 99: / Line 87: @@
 [[http://soft.vub.ac.be/~tvcutsem|Homepage]]
-Specific to my PhD thesis, my research lies in uncovering novel referencing and communication abstractions for mobile ad hoc networks. More specifically, I am currently investigating [[research:ambientrefs|ambient references]], which are a set of object-oriented service discovery abstractions.
+Specific to my PhD thesis, my research lied in uncovering novel referencing and communication abstractions for mobile ad hoc networks. More specifically, I am currently investigating [[research:ambientrefs|ambient references]], which are a set of object-oriented service discovery abstractions.
 Within the research track of ambient-oriented programming, I am also particularly interested in the adaptation and application of meta-level architectures and reflection to the AmOP paradigm.
@@ Line 105: / Line 93: @@
 =====
-=== Former Members ===
 == Stijn Mostinckx ==
@@ Line 119: / Line 105: @@
-== Dr. Jessie Dedecker ==
+=====
-[[http://www.dedecker.org|Homepage]]
+== Dr. Jorge Vallejos ==
+[[http://soft.vub.ac.be/~jvallejo|Homepage]]
-My current research topic revolves around collaborative ambient-oriented programming abstractions.  This involves abstractions for expressive coordination of groups of ambient objects.  In this context I am also investigating replication strategies suitable for disconnected operation.
+The focus of my PhD research is to investigate the context-awareness property in the field of Ambient Intelligence. My particular interest is to explore the ways in which the computational context surrounding mobile applications, may influence their behaviour. For further information about my work please visit the [[research:context|Context-Dependent Behaviour Adaptations]] section of this site.
-Apart from my research on AmOP I also have a general interest in dynamic object-oriented programming languages, concurrency and distribution.
+=====
+== Dr. Andoni Lombide Carreton ==
+[[http://soft.vub.ac.be/~alombide|Homepage]]
+The dynamic nature of ambient oriented applications makes it impossible to structure them as monolithic programs with a fixed input and output. Instead, a distributed event-driven architecture is required. Current event-driven architectures require distributed application components to react to events via a carefully crafted network of observers, event handlers or callback mechanisms which are scattered throughout the application code and can be triggered at any point in time. Such architectures are hard to develop, understand and maintain in all but the most trivial cases.
+This poses a problem when we look at the new generation of disposable processing hardware, such as RFID tags. Ubiquitous applications will not only consist of peer-to-peer interactions, but will have to deal with clouds of volatile information disseminated in the network by omnipresent devices such as RFID tags or sensors.
+In my Phd dissertation, I investigated programming abstractions that allow to specify which events to capture by distributed application components in a mobile ad hoc network. Furthermore, I am trying to come up with mechanisms that allow reacting to these events without relying on event handlers or other callback mechanisms. Finally, low level events should be processed (e.g. by combining them) such that they are on the semantic level of the application.
 =====
+== Dr. Eline Philips ==
+Nomadic networks fill the gap between fixed networks and mobile ad hoc networks (MANETs) as they consist of a group of mobile devices that can move around dynamically while trying to maintain a connection with a fixed infrastructure. My research focusses on the coordination of nomadic services by making use of workflows as they provide an additional layer of abstraction such that interactions among application components can be specified on a higher level and be reused because of their loose coupling with the fine-grained application logic. Unfortunately, current workflow systems do not meet all the requirements for the kinds of applications that we envision in nomadic networks, like connection
+volatility.
+AmbientTalk is a programming language which treats disconnections at the very heart of its computational model. Moreover, the language supports dynamic service discovery which is opportune for nomadic networks. Although this language is suited for writing applications for MANETs, the orchestration of these applications is still programmed in an ad hoc manner. Complex nomadic applications that consist of asynchronously executing distributed services become hard to develop, understand and reuse. I am currently working on the addition of an abstraction layer on top of AmbientTalk which implements
+workflow patterns. I am investigating which new patterns for nomadic networks can be added to this abstraction layer. Concretely, I want support for intensional descriptions of services, group communication, compensating actions and more advanced synchronisation.

Ambient-Oriented Programming

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