Offline/Realtime Traffic Classification Using Semi-Supervised Learning
HPL-2007-121
Offline/Realtime Traffic Classification Using Semi-Supervised Learning - Erman, Jeffrey; Mahanti, Anirban; Arlitt, Martin; Cohen, Ira; Williamson, Carey
Keyword(s): traffic classification; semi-supervised learning; clustering
Abstract: Identifying and categorizing network traffic by application type is challenging because of the continued evolution of applications, especially of those with a desire to be undetectable. The diminished effectiveness of port-based identification and the overheads of deep packet inspection approaches m ...
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YouTube Traffic Characterization: A View From the Edge
HPL-2007-119
YouTube Traffic Characterization: A View From the Edge - Gill, Phillipa, Arlitt, Martin; Li, Zongpeng; Mahanti, Anirban
Keyword(s): traffic characterization; YouTube; Web 2.0; caching
Abstract: This paper presents a traffic characterization study of the popular video sharing service, YouTube. Over a three month period we observed almost 25 million transactions between users on an edge network and YouTube, including more than 600,000 video downloads. We also monitored the globally popular v ...
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Capacity Management and Demand Prediction for Next Generation Data Centers
HPL-2007-116
Capacity Management and Demand Prediction for Next Generation Data Centers - Gmach, Daniel; Rolia, Jerry; Cherkasova, Ludmila; Kemper, Alfons
Keyword(s): capacity management; next generation data centers; performance models; measurements; workload analysis; automation; enterprise applications; shared resource pools
Abstract: Advances in server, network, and storage virtualization are enabling the creation of resource pools of servers that permit multiple application workloads to share each server in the pool. This paper proposes and evaluates aspects of a capacity management process for automating the efficient use of s ...
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“Merolyn the Phone”: A study of Bluetooth naming practices
HPL-2007-115
"Merolyn the Phone": A study of Bluetooth naming practices - Kindberg, Tim; Jones, Timothy
Keyword(s): bluetooth; electronic identity; naming; mobile phones
Abstract: This paper reports the results of an in-depth study of Bluetooth naming practices which took place in the UK in August 2006. There is a significant culture of giving Bluetooth names to mobile phones in the UK, and this paper's main contribution is to provide an account of those Bluetooth naming prac ...
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Using GPS to Attach Real World Coordinates to Maps
HPL-2007-112
Using GPS to Attach Real World Coordinates to Maps - Melamed, Tom; Clayton, Ben
Keyword(s): GPS; locative media; context sensitive; mediascape; mscape; map; coordinate
Abstract: This paper discusses the requirements for map images such that they are suitable for the construction of location-based services and applications such as mediascapes. We then detail a specific class of maps that satisfy many of these requirements but may lack coordinate information. We show that fin ...
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Endless Documents: a Publication as a Continual Function
HPL-2007-111
Endless Documents: a Publication as a Continual Function - Lumley, John; Gimson, Roger; Rees, Owen
Keyword(s): XML; XSLT; SVG; document construction; functional programming
Abstract: Variable data documents can be considered as functions of their bindings to values. The Document Description Framework (DDF) treats documents in this manner, using XSLT semantics to describe document functionality and a variety of related mechanisms to support layout, reference and so forth. But the ...
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Ingestion Pipeline for RDF
HPL-2007-110
Ingestion Pipeline for RDF - Bhatia, Nipun; Seaborne, Andy
Keyword(s): ingestion pipeline; validation of RDF; inferencing; large RDF datasets
Abstract: In this report we present the design and implementation of an ingestion pipeline for RDF Datasets. Our definition of ingestion subsumes: validation and inferencing. The design proposed performs these tasks without loading the data in-memory. There are several reasoners and Lint like validators avail ...
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A Feature based on Encoding the Relative Position of a Point in the Character for Online Handwritten Character Recognition
HPL-2007-109
A Feature based on Encoding the Relative Position of a Point in the Character for Online Handwritten Character Recognition - Mandalapu, Dinesh; Murali Krishna, Sridhar
Keyword(s): shape contexts; features; handwriting recognition
Abstract: Feature extraction is a very important step in the process of character recognition. The features extracted from the character should encode the local, global and the structural characteristics of the character shape. In this paper we propose a new feature for recognition of online handwritten chara ...
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