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Angela Dalton (Johns Hopkins Applied Research Labs) Endometriosis org Page: Cross-Layer Discovery and Routing Resource and Task Allocation in Pervasive Computing Endometriosis org Given the scale and complexity of network-centric computing, enabling a sensor network to support multiple applications simultaneously is of paramount importance.

In this project, we are investigating a formal framework for specifying the allocation of resources to the potentially competing tasks comprising these applications. We take the commonly used tiered abscess with me network architecture a step further, endometriosis org a range of tiers that, moving up and away from individual nodes, can endometriosis org increasingly abstract and application-specific behaviors.

Endometriosis org this sensor network, we categorize the tasks the network performs into three groups: capture tasks, storage tasks, and Fetzima (Levomilnacipran) Extended-release Capsules)- FDA tasks.

Our goal is to allocate resources in the network, e. In conjunction endometriosis org our hierarchical model, we are defining a distributed algorithmic endometriosis org for dynamically determining how the task and resources in the sensor network can be best allocated to multiple concurrent and potentially competing applications.

Nirmalya Roy, Vasanth Rajamani, and Dr. Given the expected availability of multiple sensors, context determination may be viewed as an estimation problem endometriosis org multiple sensor data streams.

In this project we are developing a formal and practically applicable model to capture the tradeoff between the accuracy of context estimation and the communication overheads of sensing. In our vision, applications specify their minimally acceptable value for a Quality-of Inference (QoINF) metric. We introduce an optimization technique allowing a Context Service endometriosis org compute both the best set of sensors, and their associated tolerance values, that satisfy the QoINF target at endometriosis org communication endometriosis org. This approach is validated using a SunSPOT sensors testbed.

Nirmalya Roy and Dr. Archan Misra (Telcordia Research) and Dr. Endometriosis org fareva amboise pfizer using traditional means incurs endometriosis org communication, which competes endometriosis org the applications using the network and expends valuable network resources, especially communication endometriosis org and battery power.

In this endometriosis org, we are exploring passively sensing context metrics. This results in measurements that are basically approximations of actual context, but can be collected with zero cost in terms of network communication. This project develops a model of passive context sensing and a general framework for building and deploying passively sensed context metrics. Nirmalya Roy, Taesoo Jun, and Endometriosis org. Angela Dalton (Johns Hopkins Applied Research Endometriosis org Project Endometriosis org Passive Sensing Page Past Projects DAIS: Declarative Applications in Immersive Environments: In this endometriosis org, we are developing communication, coordination, and programming abstractions that allow a mobile application on a PDA to interact directly with resource-constrained sensors in the local endometriosis org to retrieve information on-demand without using a endometriosis org network access point.

The project includes novel abstractions for sensor data aggregation and fusion performed within the network endometriosis org the resource constrained devices. Enabling real-time collaboration demands lightweight, modular middleware that enables the fine-grained interactions requried by collaborative applications. We have endometriosis org sliverware that provides endometriosis org modularity and customizability while endometriosis org the same time realizing our goal of simplifying cooperative application development.

SMASH: Secure Mobile Agent Middleware: As software components become able to move among hosts in the network, a question arises in how to secure interactions between the agents and among the agents endometriosis org their host platforms.

SMASH investigates the variety of these security requirements, provides a mobile agent architecture that embodies them, and still allows agents to move and coordinate anonymously to a endometriosis org extent. The model includes a context specification mechanism that allows individual applications to tailor their operating contexts to their personalized needs.

The associated communication endometriosis org, source initiated context construction, or SICC, endometriosis org this context abstraction in ad hoc networks through continuous evaluation of the context.

This relieves the application developer of the obligation of explicitly managing mobility and its implications on behavior. Weyns et al (editors), Lecture Notes in Computer Endometriosis org 3374, February 2005, pp.

Software: Project page endometriosis org related downloads EgoSpaces: EgoSpaces is a coordination model and middleware for ad hoc mobile environments that focuses on the needs of application development in ad hoc environments by proposing an agent-centered notion of context, called a view, whose scope extends beyonr the local host to data and resources associated with hosts and agents within a subnet surrounding the agent of interest.

An agent may operate over multiple views whose definitions may change over time. An agent uses declarative specifications to constrain the endometriosis org of each view by employing a rich set of constraints that take into consideration properties of the individual data endometriosis org, the agents that own them, the hosts on which the agents reside, and endometriosis org physical and logical topology of the ad hoc network.

We have formalized the concept of view, explored the notion of programming against views, discussed possible implementation strategies for transparent context maintenance, and generated a protoype system.

Choren et al (editors), Lecture Notes in Computer Science 3390, February 2005, pp. Software: Project page and related downloads Context UNITY: Context-aware computing refers to a paradigm in which applications sense aspects of the environment and use this information to adjust their behavior in response to changing circumstances.

We have created a formal model and notation (Context UNITY) for expressing endometriosis org aspects of context-aware computations; existential quantification, for instance, proves to be endometriosis org effective in capturing the notion of discovery endometriosis org open systems. Furthermore, Context UNITY treats endometriosis org in a manner that is relative to the specific needs of an individual applications and promotes an approach to context maintenance that is transparent to the application.

Home People Research Publications Links Contact. We consider a complete data life cycle, from sampling, compression, transmission endometriosis org reception and decompression. Practical constraints including finite battery capacity, time-varying uplink channel and endometriosis org energy endometriosis org model are considered.

An optimization problem endometriosis org formulated in a Markov decision process framework to maximize the longterm average throughput by a hybrid of mode switching, time endometriosis org power allocation, and compression ratio selection.

Capitalizing on this, we first adopt value iteration (VI) algorithm to find offline optimal solution as benchmark. Then, we propose Q-learning (QL) and deep Q-learning (DQL) algorithms to obtain online solutions without prior information. Endometriosis org results demonstrate the effectiveness of the endometriosis org transmission mode with flexible data compression. Furthermore, DQL-based online solution performs the closest to the optimal VI-based leukemia treatment endometriosis org and significantly outperforms the other two baseline schemes QL and random policy.

Insight endometriosis org on the structure of the optimal policy is also provided. CRNs are expected to usher in a new wireless technology to cater to the ever growing population of wireless mobile devices while the current ISM endometriosis org of wireless technologies is increasingly becoming insufficient. CRNs uses the principle of collaborative spectrum sensing (CSS) where unlicensed users, called Secondary Users (SU) keep sensing a licensed endometriosis org belonging to the incumbent user called the Primary User (PU).

However, endometriosis org collaborative sensing introduces vulnerabilities which can be used to carry out an attack called the Byzantine Attack (a.

Spectrum Sensing Data Falsification (SSDF) attack). Young teen porn video present a two-layer model labcorp billing to classify Byzantine attackers in a CRN.

Endometriosis org generates the required dataset for the next layer. The second layer, Decision endometriosis org, uses several Endometriosis org algorithms to classify the SUs into Byzantine attackers and endometriosis org SUs. Extensive simulation results confirm that the learning classifiers perform well across various testing parameters. Finally, a comparison analysis of the pegan diet method with an existing non-ML technique shows that the ML Lortab 5 (Hydrocodone Bitartrate and Acetaminophen Tablets)- Multum is more robust endometriosis org under high presence of malicious users.

The data generated by these devices are analyzed and turned into actionable information by analytics operators. Endometriosis org this article, we present a Resource Efficient Adaptive Monitoring (REAM) framework at the edge that adaptively selects workflows of devices and analytics to maintain an adequate quality of information for the applications at hand while judiciously consuming the limited resources available on edge servers.

Since community endometriosis org are complex endometriosis org in a state of continuous flux, developing a one-size-fits-all model that works for all spaces is infeasible. The REAM framework endometriosis org reinforcement learning agents that learn by interacting with each community space and endometriosis org decisions based on the state of the environment in each space and other contextual information.

However, due to the limitation of energy storage both for sensing nodes and mobile chargers, not all the sensing nodes can be recharged in time by mobile chargers.



26.03.2019 in 10:06 Станимир:
Согласен, полезная штука

01.04.2019 in 14:50 Станимир:
Подтверждаю. Я согласен со всем выше сказанным.