Search results for " sharing"

Location-based media sharing in a MP2P network

2008

In both academia and industry, peer-to-peer (p2p) applications have attracted great attention. This paper introduces and implemented a novel location-based multimedia application, the Multimedia Traveling Journal application (PhotoJournal) that employs the p2p paradigm and enables location-based content sharing among mobile users.

You’ve Got Photos! The design and evaluation of a location-based media-sharing application

2008

PhotoJournal is a novel location-based media sharing appli- cation that enables users to build interactive journals that associate multimedia files with locations on maps and share this information with other users. Its underlying informa- tion discovery and sharing mechanism is 7DS that runs in either pure peer-to-peer or centralized server-to-client mode, depending on the availability of a server and/or an infras- tructure. 7DS-enabled devices act as miniature caches, shar- ing information with each other. When access to an informa- tion server (e.g., web server) is not available, the local 7DS instance running on the device enables the device to search and access information from other p…

Charge Sharing and Cross Talk Effects in High-Z and Wide-Bandgap Compound Semiconductor Pixel Detectors

2023

Intense research activities have been made in the development of high-Z and wide-bandgap compound semiconductor pixel detectors for the next generation X-ray and gamma ray spectroscopic imagers. Cadmium telluride (CdTe) and cadmium-zinc-telluride (CdZnTe or CZT) pixel detectors have shown impressive performance in X-ray and gamma ray detection from energies of few keV up to 1 MeV. Charge sharing and cross-talk phenomena represent the typical drawbacks in sub-millimeter pixel detectors, with severe distortions in both energy and spatial resolution. In this chapter, we review the effects of these phenomena on the response of CZT/CdTe pixel detectors, with particular emphasis on the current st…

Il burden sharing

2016

Knowledge Brokering in an Era of Communication Visibility

2020

This study presents an analysis of the extent to which enterprise social media (ESM) use enhances visibility of content (message transparency) and connections (network translucence) in organizations, and how this affects knowledge brokering. The findings support the theory of communication visibility by demonstrating that ESM use is associated with perceptions of message transparency and network translucence. Furthermore, the findings suggest that employees, regardless of their position within a network, are provided with a vision advantage and thus have the ability to engage in knowledge brokering. Future work needs to examine the impact of network characteristics on these effects. This a…

On Unstructured File Sharing Networks

2007

We study the interaction among users of unstructured file sharing applications, who compete for available network resources (link bandwidth or capacity) by opening multiple connections on multiple paths so as to accelerate data transfer. We model this interaction with an unstructured file sharing game. Users are players and their strategies are the numbers of sessions on available paths. We consider a general bandwidth sharing framework proposed by Kelly [1] and Mo and Walrand [2], with TCP as a special case. Furthermore, we incorporate the Tit-for-Tat strategy (adopted by BitTorrent [3] networks) into the unstructured file sharing game to model the competition in which a connection can be …

LifeRescue: A web based application for emergency responders during fire emergency response

2016

In order to respond to any kind of building fire emergencies, first-responders have to use lot of time to get access to the emergency data such as location of the victims who are still inside the building, location of the hazardous material, location of the resources and location of the exits in order to perform search and rescue. However, search is possibly one of the most dangerous activities on the fire ground. Sometimes the visibility is zero and the environment is really hot. Because of the limited operating time in the building, the key to successful search is how quickly emergency responders can get access to the emergency related information in order to save victims and the property…

Towards Risk-aware Access Control Framework for Healthcare Information Sharing

2018

Compartir datos de investigación en cardiología

2013

El artículo expone las ventajas que aporta el compartir datos en la investigación en el área de cardiología

Knowledge behaviors when the commons are at stake: Insights from the Covid-19 crisis

2020

How do people’s beliefs on the likely system-level consequences of circulating a certain piece of knowledge influence those people’s knowledge behaviors? To address this question, we leverage the most recent developments of the theory of the commons as learning systems. According to this theory, people are strongly responsive to perceived threats to the commons they (may) benefit from, and strive to learn and respond accordingly. Through this theoretical lens, we analyze thick qualitative data (January-April 2020) from the Covid-19 crisis, which resulted in unprecedented visibility of commons-related knowledge behaviors. The contribution of this inductive study is fourfold. First, we identi…