Proceedings 22nd International Conference on Distributed Computing Systems Workshops
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The eSleeve: a novel wearable computer configuration for the discovery of situated information
- Trang 793-796
Describes work in progress on wearable computing configurations which provide audio and visual output based on the position and orientation of the user. We introduce the 'eSleeve'-a wearable wrist computer with position and heading sensors combined with a user interface employing speech recognition and a small display. Applications described include searching a database of locations, and implement...... hiện toàn bộ
#Wearable computers #Computer displays #Wrist #Computer interfaces #Wearable sensors #User interfaces #Speech recognition #Auditory displays #Application software #Visual databases
Subscription summaries for scalability and efficiency in publish/subscribe systems
- Trang 619-624
A key issue when designing and implementing largescale publish/subscribe systems is how to efficiently propagate subscriptions among the brokers of the system. Brokers require this information in order to forward incoming events only to interested users, filtering out unrelated events, which can save significant overheads (particularly network bandwidth and processing time at the brokers). In this...... hiện toàn bộ
#Subscriptions #Scalability #Bandwidth #Computer architecture #Design engineering #Information filtering #Information filters #Data structures #IP networks #Peer to peer computing
Trust-aware cooperation
- Trang 408-409
In mobile teamwork environments two basic problems exist: how to discover someone based on a profile (skills, reputations) and how to assess that person's "credibility" (trust). A lot of work has been done on the issues of collecting and spreading reputations and subsequent computation of trust. The application of such data for decision making, however is still missing. In this paper we present a ...... hiện toàn bộ
#Decision making #Collaborative work #Teamwork #Processor scheduling #Internet #Concrete #Sociology #Psychology #Economic forecasting #Environmental economics
Superphony: towards ubiquitous audio communication services
- Trang 728-731
With the expansion of mobility in communication technologies, the increasing individual audio solicitations require a definition of priorities in audio information. A new concept called superphony is identified which improves communication abilities by reconstructing an audio sphere around each user and filtering audio information based on user and environment profiles. Requirements and elements f...... hiện toàn bộ
#Communications technology #Mobile communication #Streaming media #Research and development #Information filtering #Information security #Resource management #Privacy #Vehicle dynamics #Web and internet services
Toward a peer-to-peer shared virtual reality
- Trang 695-700
This paper envisions a shared virtual reality system that could handle millions of users and objects. The SOLIPSIS system does not rely on servers and is based on a network of peers that collaborate to build up a common virtual world. Real-time interactions and virtual co-presence are enabled by the means of emissive and receptive fields that determine how avatar kinestesia and multimedia streams ...... hiện toàn bộ
#Peer to peer computing #Virtual reality #Streaming media #Network servers #Avatars #Telecommunications #Collaboration #Fans #Books #Motion pictures
Adaptive checkpointing for time warp technique with a limited number of checkpoints
- Trang 95-100
This paper discusses distributed checkpointing with "Time Warp techniques", a typical uncoordinated checkpointing technique that is often used in the parallel and distributed simulations. Relaxing the assumption of the previous model of Soliman et al., we show a discrete time model where the number of available checkpoints each process can hold is finite. In addition, we propose an adaptive distri...... hiện toàn bộ
#Checkpointing #Clocks #Time warp simulation #Analytical models #Distributed computing #Conferences
A transmission service with three-queue management for a distributed remote monitoring environment
- Trang 217-221
A high-speed fixed network is not suitable for a distributed remote monitoring environment because it lacks mobility. Therefore, wireless communication is another choice for transmission. This paper proposes a transmission service to classify the transmitted data into three kinds of transmission events. Three priority queues are used to receive the corresponding events and transmit these data acco...... hiện toàn bộ
#Environmental management #Remote monitoring #Wireless communication #Costs #Encoding #Prototypes #GSM #Message systems #Computer network management #Engineering management
A service-based architecture for in-vehicle telematics systems
- Trang 741-742
The growing needs to access information in remote, mobile environments have sparked interests in so-called In-Vehicle Telematics Systems (IVTS). These relatively new systems have the potential to deliver computing facilitates to road vehicles, which may include in-vehicle infotainment, route-guidance and navigation and the provision of vital information resources used by fleet haulage companies an...... hiện toàn bộ
#Telematics #Computer architecture #Fires #Application software #Road vehicles #Navigation #Information resources #Emergency services #Middleware #Paper technology
Energy-aware Web caching for mobile terminals
- Trang 820-825
A terminal's latency, connectivity, energy and memory are the main characteristics of today's mobile environments whose performance may be improved by caching. We present an adaptive scheme for mobile Web data caching, which accounts for congestion of the wireless network and energy limitation of mobile terminals. Our main design objective is to minimize the energy cost of peer-to-peer communicati...... hiện toàn bộ
#Mobile communication #Costs #Femtocell networks #Delay #Wireless networks #Energy consumption #Internet #Wireless LAN #Ad hoc networks #Wireless communication
Class-based delta-encoding: a scalable scheme for caching dynamic Web content
- Trang 799-805
Web-caching performance is hard to increase further due to the growing number of non-cachable dynamic Web-documents. Delta-encoding is a promising technique that exploits temporal correlation among different snapshots of a dynamic document, and renders dynamic traffic cachable. However, it has not yet been deployed due to the significant scalability concerns related to the storage requirements for...... hiện toàn bộ
#Delay #Bandwidth #Network servers #HTML #Scalability #Privacy #Computer networks #Web server