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Modeling of concurrent web sessions with bounded inconsistency in shared data

Alexander Totok, Vijay Karamcheti
2007 Journal of Parallel and Distributed Computing  
This paper develops such analytical models of concurrent web sessions with bounded inconsistency in shared data for three popular concurrency control algorithms.  ...  In order to quantitatively reason about these tradeoffs, the service provider can benefit from models that predict metrics, such as the percentage of successfully completed sessions, for a certain degree  ...  Government is authorized to reproduce and distribute reprints for Government purposes notwithstanding any copyright annotation thereon.  ... 
doi:10.1016/j.jpdc.2007.03.004 fatcat:lwi5cgrg5vaavp3tspzq56jk3e

Corrections to "A Linear Programming Model for Determining Distribution of User Sessions in a Voice Over Internet Protocol Network"

Vyacheslav Lemberg, Michael Irizarry, Claudio Taglienti
2021 IT Professional Magazine  
Taglienti, "A linear programming model for determining distribution of user sessions in a voice over Internet protocol network," IT Prof., vol. 22, no. 6, pp. 97-103, Nov./Dec. 2020.  ... 
doi:10.1109/mitp.2021.3067175 fatcat:tqx7csq6tbd6vhbcbqa23apdoi

A performance analysis of distributed qos negotiation during session establishment

Anis Zouari, Karine Guillouard, Jean-Marie Bonnin
2007 Proceedings of the 3rd ACM workshop on QoS and security for wireless and mobile networks - Q2SWinet '07  
Therefore, this paper proposes a performance model to compare the new combined-distributed negotiation process with the negotiation processes applied in UMTS Release 5 (R5) [4] during session establishment  ...  A performance analysis of distributed QoS negociation during establishment session.  ...  This scenario is applied in UMTS R5 during a session establishment. Then, section 3 presents the scenario of session establishment implemented in a new proposed Hierarchical-Distributed architecture.  ... 
doi:10.1145/1298239.1298269 dblp:conf/mswim/ZouariGB07 fatcat:xc352ozi5jbyxd3gbldutrlcgi

Using habitat suitability models to predict changes in seagrass distribution caused by water management practices1This article is derived from a special session entitled "A New Hydrology: Inflow Effects on Ecosystem Form and Functioning" that took place at the February 2011 ASLO Aquatic Sciences conference in San Juan, Puerto Rico

Rolando O. Santos, Diego Lirman, Bernard Sainte-Marie
2012 Canadian Journal of Fisheries and Aquatic Sciences  
Habitat suitability (HS) models can help elucidate the relationship between organisms and their environment and simulate the potential impacts of human activities on species distributions.  ...  HS models such as those described here provide spatial modeling tools that can contribute science-based input into the management of coastal resources within an adaptive management framework.  ...  Mitrovic for organizing the Special Session on "A New Hydrology" at the 2011 ASLO meeting and for reviewing this manuscript. We are also grateful for the assistance provided by G. DeAngelo, T.  ... 
doi:10.1139/f2012-018 fatcat:cblzfp3mu5dehjt66c2buffaza

1-11. Statistical Distribution Characteristics of Solvent-Swelling Process of Single Coal Particles and Its Statistical Model

Hong Gao, Koh Kidena, Satoru Murata, Masahiro Miura, Masakatsu Nomura
1998 Proceedings of the Annual Conference of The Japan Institute of Energy  
計 分 布 特 性 お よ び そ の 統 計 モ デ ル ( 阪 大 工 )○ 高 鴻 , 貴 傳 名 甲, 村 田 聡 , 三 浦 雅 博 , 野 村 正 勝 S伽 纐面 cal I)iStribution Characteristics of So置 vent − Swelling Process of S 塊 置 e Coa1 PartiCles and ltS S tatistica1 Model  ...  The solvent − swe 皿lng pro sses were simula 重 ed using an empirical model , the statistical disUibutional characteris 盛cs of diffUsion mechanism and relaxa 廿on constants being also analyzed sta口stically  ... 
doi:10.20550/jietaikaiyoushi.7.0_39 fatcat:phjaqhkgdfhdjlvquphsjgsnl4

Modeling A Session-Based Bots' Arrival Process At A Web Server

Grazyna Suchacka, Daria Wotzka
2017 ECMS 2017 Proceedings edited by Zita Zoltay Paprika, Péter Horák, Kata Váradi, Péter Tamás Zwierczyk, Ágnes Vidovics-Dancs, János Péter Rádics  
As a result, interarrival times of bot sessions and interarrival times of requests in bot sessions were modeled by a Weibull and a Pareto distribution, respectively, and the numbers of requests in session  ...  were modeled by a function being a combination of a sigmoid and exponential distributions.  ...  ACKNOWLEDGEMENT Grażyna Suchacka is a member of the consortium ICT COST Action IC1406 "High-Performance Modeling and Simulation for Big Data Applications" (cHiPSet).  ... 
doi:10.7148/2017-0605 dblp:conf/ecms/SuchackaW17 fatcat:d7yx62o2brchfn6mu63yqwwncy

Accounting for characteristics of session workloads: A study based on partly-open queue

Nikola Janevski, Katerina Goseva-Popstojanova
2012 2012 IEEE International Conference on Communications (ICC)  
Empirical studies have shown that Web session arrivals exhibit long range dependence and that the number of request in a session is well modeled with skewed or heavy-tailed distributions.  ...  ) session arrival process and skewed distribution for the number of requests in a session.  ...  (e.g., distribution of the number of request per session) have to be modeled accurately.  ... 
doi:10.1109/icc.2012.6364074 dblp:conf/icc/JanevskiG12 fatcat:cr2o7okatvc4djxkleyoinkhzi

Predicting Session Length in Media Streaming

Theodore Vasiloudis, Hossein Vahabi, Ross Kravitz, Valery Rashkov
2017 Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval - SIGIR '17  
We use survival analysis techniques to show that the characteristics of the length distributions can differ significantly between users, and use gradient boosted trees with appropriate objectives to predict  ...  the length of a session using only information available at its beginning.  ...  used for the session Previous duration The duration of the user's last session Absence time Time elapsed since the last session Model We selected gradient boosted trees (GBTs) [5] as our model for  ... 
doi:10.1145/3077136.3080695 dblp:conf/sigir/VasiloudisVKR17 fatcat:plch7nb4sjffbdy3bn7dthziq4

Intersession reproducibility of mass spectrometry profiles and its effect on accuracy of multivariate classification models

Richard Pelikan, William L. Bigbee, David Malehorn, James Lyons-Weiler, Milos Hauskrecht
2007 Computer applications in the biosciences : CABIOS  
We analyze the problem in terms of the reproducibility of signals, reproducibility of discriminative features, and reproducibility of multivariate classification models on profiles for serum samples from  ...  We show that combining data from multiple sessions introduces additional (inter-session) noise.  ...  Right panel: distribution of differences between the mean accuracies of models trained on multi-session data and accuracies of models trained on single-session data.  ... 
doi:10.1093/bioinformatics/btm415 pmid:17766268 fatcat:dhzucuh76bfv3d77vm5ie4ffc4

Channel holding time of packet sessions in all-IP cellular networks

Jeng-Feng Weng, Bying-He Ku, Jyh-Cheng Chen, Wen-Tsuen Chen
2014 2014 20th IEEE International Conference on Parallel and Distributed Systems (ICPADS)  
We apply Hyper-Erlang distribution model to investigate the packet session channel holding time in which a session will experience active and idle periods.  ...  holding time is exponentially distributed if and only if the cell residence time is exponentially distributed.  ...  ANALYTICAL MODEL OF CONDITIONAL DISTRIBUTION WITH PACKET SESSION CHANNEL HOLDING TIME We study the conditional distribution of new packet session holding time and handoff packet session holding time while  ... 
doi:10.1109/padsw.2014.7097835 dblp:conf/icpads/WengKCC14 fatcat:mz6giwohbfdhvmgkcyaoxt6t6i

Spatio-temporal modeling of traffic workload in a campus WLAN

Félix Hernández-Campos, Merkouris Karaliopoulos, Maria Papadopouli, Haipeng Shen
2006 Proceedings of the 2nd annual international workshop on Wireless internet - WICON '06  
Our approach focuses on two structures of wireless user activity, namely the wireless session and the network flow.  ...  We propose statistical distributions for their attributes, aiming at a parsimonious characterization that can be the most flexible foundation for simulation studies.  ...  Flow interarrivals within session The second component of our cluster model is the distribution of the flow inter-arrivals within sessions.  ... 
doi:10.1145/1234161.1234162 dblp:conf/wicon/Hernandez-Campos06 fatcat:irovd6jnfrgvnmzcd4aj4bbiue

Agents, bookmarks and clicks

Mark R. Meiss, Bruno Gonçalves, José J. Ramasco, Alessandro Flammini, Filippo Menczer
2010 Proceedings of the 21st ACM conference on Hypertext and hypermedia - HT '10  
This modulates the probability that an agent continues to browse or starts a new session, allowing us to recreate heterogeneous session lengths.  ...  No model currently explains all of these empirical observations simultaneously.  ...  In Fig. 4B , we show the distribution of session size as generated by the ABC model.  ... 
doi:10.1145/1810617.1810658 dblp:conf/ht/MeissGRFM10 fatcat:7uch2vwyovgqjajdie5fpncjwu

Modeling Traffic on the Web Graph [chapter]

Mark R. Meiss, Bruno Gonçalves, José J. Ramasco, Alessandro Flammini, Filippo Menczer
2010 Lecture Notes in Computer Science  
entropy and session size.  ...  The resulting model can reproduce the behaviors we observe in empirical data, especially heterogeneous session lengths, reconciling the narrowly focused browsing patterns of individual users with the extreme  ...  One goal of our model is to explain the broad distributions of size and depth for these logical sessions.  ... 
doi:10.1007/978-3-642-18009-5_6 fatcat:5kfaaffemvfhllybn35fr2gvh4

BitTorrent Traffic Characteristics

David Erman, Dragos Ilie, Adrian Popescu
2006 2006 International Multi-Conference on Computing in the Global Information Technology - (ICCGI'06)  
Our results show that session interarrivals can be accurately modeled by a second-order hyper-exponential distribution while session durations and sizes can be reasonably well modeled by various mixtures  ...  Response times have been observed to be modeled by a dual Log-normal mixture, while request rates are modeled as dual Gaussian distributions.  ...  Session sizes are primarily modeled as a Log-normal distribution, and the Weibull distribution also provides a good model.  ... 
doi:10.1109/iccgi.2006.14 fatcat:5ipiedb2jvaurfbdbbc356k6zi

Synthetic Data Generator for Electric Vehicle Charging Sessions: Modeling and Evaluation Using Real-World Data

Manu Lahariya, Dries F. Benoit, Chris Develder
2020 Energies  
This distribution is estimated using Gaussian mixture models, and departure times can calculated by sampling connection times for EV arrivals from this distribution.  ...  Arrival times of EVs are modeled assuming that the inter-arrival times of EVs follow an exponential distribution.  ...  These can be used to generate a random sample of EV session data using script  ... 
doi:10.3390/en13164211 fatcat:my64mcwxujgljc7nynkeurhxju
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