gradient descent parameter learning in gaussian networks
Báo cáo " Learning approaches to support dynamics in communication networks " docx
... (MDP) As Machine learning techniques, we use reinforcement learning to compute a good policy in a multi-agent system Simultaneous decision making in a dynamic environment is modelled using multi-agent ... [17] J.A Boyan, M.L Littman, “Packet routing in dynamically changing networks: A reinforcement learning approach“, Advances in Neural Information Processing Systems 6, Morgan Kaufmann, San Francisco, ... resilience [16-18] KOCRA system based reinforcement learning in routing wired networks Our system, called “K Optimal Constrained path Routing Algorithm (KOCRA)”, contains three stages The objective of...
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Temporal coding and learning in spiking neural networks
... coding This could largely facilitate the computing speed In this chapter, we build a bio-inspired model of SNNs containing encoding, learning and readout Neural coding and learning are the main ... learning rules In Chapter 6, the learning in multilayer spiking neural networks is investigated Causal connections are built to facilitate the learning Several tasks are used to analyze the learning ... processes of the learning occurring in biological systems are still unclear According to the schemes on how information is encoded with spikes, learning rules in spiking neural networks can be...
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Community learning in location based social networks 2
... dataset into two parts for each task, i.e the testing set containing x% of task-related information and the training set for the remaining data We perform community detection on the training set ... him/her 3.2 Data Crawling We aim to obtain a set of active users and their activities in Foursquare The activities of interest include checking in at venues, posting tips and uploading photos, where ... complete information achieves the best performance in all the three tasks for different % of training and testing data (2) Check-ins carry more information than tip postings and photo uploadings The...
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Community learning in location based social networks 3
... Top Five Communities in Singapore In this section, we show the top five communities detected in Singapore We manually observe and derive the community profiles from the prominent venue categories, ... 109 Rank Visualization Profile • Drink/Snack lovers • Group Size: 1,101 • Sports Enthusiasts • Group Size: 1,095 • Home Lovers • Group...
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Community learning in location based social networks 4
... exercise in the gyms after work The inherent heterogenous user preferences make it hard to interpret the connections between people in social networks Towards gaining insights on the underlying users’ ... hyperparameters in the model, which both help to alleviate overfitting and save us from the painful problem of parameter tuning 5.5.3.4 Learning By Markov Chain Monte Carlo The fully Bayesian treatment integrates ... Bayesian learning: W0 , v0 , W1 , v1 , β, µ0 and µ1 These parameters reflect our prior knowledge of the specific problem Since Bayesian learning is able to adjust them according to the training data...
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Quality of Service in IP Networks
... Principles o Traffic shaping l l leaky bucket token bucket o Scheduling strategies l l l l l FIFO Priority Round Robin Fair Queueing RED o IntServ o DiffServ Queue Management Improving QOS in ... in IP Networks o IETF groups are working on proposals to provide better QOS control in IP networks, i.e., going beyond best effort to provide some assurance for QOS o Work in Progress includes ... instant of the last bit l served in the order of instants l Queue Management 21 Weighted Fair Queueing o Fair queueing l equal parts : 1/n o Weighted fair queueing l each flow may send different...
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Personalizing Language Learning in Large Classes(motivation)
... encouraged them to continue reading in English about their topics of interest even while they are not in school When they find the joy of reading and learn from the reading, learning will never be ... check in the dictionary immediately or not and why not? I told students to keep in mind that we were learning information as well as English at the same time We did not have to know every single ... the Internet In the computer lab, I have noticed most of the students only browsed web sites in Chinese I wanted them to explore the enormous information available in English They needed to print...
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ADC KRONE - Guide Book - FTTP - Advantage of Centralized Splitters in FTTP networks
... keep in mind before choosing a cascaded approach, even though it works best in high take rate situations For example, MSOs might be building that same subdivision to offer voice services, diluting ... link or insertion loss; optical return loss (ORL); and link mapping or characterization via OTDR trace development These tests require certain network features for adequate data collection, including ... including a well-defined path that can be measured with an OTDR and connector interfaces for link loss and ORL Another argument for cascaded splitters deals with the benefit of saving money by using...
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ON APPLICATION-PERCEIVED QUALITY OF SERVICE IN WIRELESS NETWORKS
... of Engineering School of Engineering Publisher: Blekinge Institute of Technology Blekinge Institute of Technology Printed by Kaserntryckeriet, Karlskrona, Sweden 2006 ISBN 91-7295-096-X Printed ... context of demand modeling and provisioning For instance, [27] is using a ΔT = interval when measuring the point-to-point traffic matrix in the IP backbone Data are analyzed e.g regarding the mean-variance ... limitations in the opposite direction at least to a certain extent (and vice versa) 28 3.2 AVERAGING INTERVAL VERSUS OBSERVATION INTERVAL 3.2 Averaging Interval versus Observation Interval The averaging...
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Congestion and Error Control in Overlay Networks
... multiple incoming links feed into a single outgoing link (e.g., several Local Area Networks (LANs) links are connected to a Wide Area Network (WAN) link) The core routers of the backbone networks ... MADCAP [34] Layer – Intra-domain: Protocols and mechanisms to coordinate address allocations to avoid addressing clashes within a single administrative domain Layer – Inter-domain: Protocols and ... protocol introduced in [46] is aimed at eliminating the instability and periodic losses inherent in both RLC and RLM This is due to the bandwidth inference in these protocols caused by the join experiments...
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Using PIX Firewall in SOHO Networks
... configuration by using Cisco PIX Device Manager (PDM) or by using the command-line interface as described in the following steps: Step Define the VPN group and password by entering the following command: ... Chapter Using PIX Firewall in SOHO Networks Using PIX Firewall as an Easy VPN Remote Device In network extension mode, the IP addresses of clients on the inside interface are received ... Chapter Using PIX Firewall in SOHO Networks Using the PIX Firewall PPPoE Client Enabling PPPoE on the PIX Firewall Note You must complete the configuration using the vpdn command, described in “Configuring...
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Advantage of Centralized Splitters in FTTP Networks
... dedicating 32 fibers from a single 1x4 or 1x8 configuration back to the central office This requires homes to be in the same physical vicinity because they must tap into access terminals that are linked ... can save money Even in a greenfield deployment expecting 100% take rate, there are considerations to keep in mind before choosing a cascaded approach, even though it works best in high take rate ... link or insertion loss; optical return loss (ORL); and link mapping or characterization via OTDR trace development These tests require certain network features for adequate data collection, including...
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Addressing in IP Networks
... identifying from a global perspective What we mean by global perspective is that the address is unique on all interconnected networks, such as all internal networks in an organization, or in a truly ... be unique within all interconnected network segments TCP/IP uses IP addresses as the logical addressing method The following sections look at IP addresses in more detail IP Addressing An IP address ... 2,097,152 total networks (221) with each network containing 256 host IDs (28) In addition to the public address space, there are two additional address spaces, one for use in multicasting and the...
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Tài liệu ADC KRONE - Guide Book - FTTP - Advantage of Centralized Splitters in FTTP networks doc
... keep in mind before choosing a cascaded approach, even though it works best in high take rate situations For example, MSOs might be building that same subdivision to offer voice services, diluting ... link or insertion loss; optical return loss (ORL); and link mapping or characterization via OTDR trace development These tests require certain network features for adequate data collection, including ... including a well-defined path that can be measured with an OTDR and connector interfaces for link loss and ORL Another argument for cascaded splitters deals with the benefit of saving money by using...
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Tài liệu Deploying IPv6 in Campus Networks doc
... ISATAP tunnels – Link utilization—There is an increase in link utilization coming from the distribution layer (tunneled traffic) and a possible increase in link utilization by adding IPv6 (now dual-stack) ... can be seen by running the following: netsh interface ipv6 show interface [[interface=]] QoS With DSM, it is easy to extend or leverage the existing IPv4 QoS policies to include the new ... be applied on ingress These polices may include trust (ingress), policing (ingress), and queuing (egress) Figure 10 illustrates the points where IPv6 QoS policies may be applied in the SBM when...
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Tài liệu Connectors in FTTP Networks Which Connector Do I Use in My FTTP Network? doc
... values in connectors include Insertion Loss, Reflectance, Core Alignment (Apex Offset), and End Face Polishing Insertion Loss is the measure of reduction in signal caused by inserting a component, ... fiber/air interface This improve performance is due to limiting the reflectance upstream, back into the downstream optical signal When reflecting an analog optical signal into the initial downstream ... to provide a semi-permanent link between two optical fibers Connectors must be able to maintain good optical contact between the fibers at the connector interfaces In theory, only the cross sectional...
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Tài liệu Exploring Privacy Risks in Information Networks ppt
... thoroughly investigating the problem domain With an understanding of the privacy risk environment in information networks, we have a good starting-point for recognising, mitigating or preventing intrusions ... marketing (something for which user information is needed) In addition, in an increasingly networked environment, where new technologies and infrastructures are being rapidly introduced into the ... starting-point for recognising and preventing intrusions into matters of a personal nature In reflect, mitigating privacy risks contributes to a secure and efficient use of information networks...
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Tài liệu AN ALGORITHMIC FRAMEWORK FOR PROTECTION SWITCHING IN WDM NETWORKS doc
... understanding of link restoration algorithms for mesh networks, ” in Proceedings of IEEE INFOCOM ’01 [7] R Barry, S Finn and M Medard, “WDM loop-back in mesh networks, ” in Proceedings of IEEE INFOCOM ... node-disjoint and edge-disjoint paths problems, by defining F in different ways For example, if each Si in F contains exactly one edge in G such that each edge in the graph is represented by a set in ... network,” in Proceedings of IEEE INFOCOM ’97 [14] E Modiano and A Narula-Tam, “Survivable routing of logical topologies in WDM networks, ” in Proceedings of IEEE INFOCOM ’01 [15] J Suurballe, “Disjoint...
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