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- Browsing CAS: Computer Science: Technical Reports by Title
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Browsing CAS: Computer Science: Technical Reports by Title
Now showing items 178-197 of 477
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(Boston University Computer Science Department, 2008-10-21)The problem of discovering frequent poly-regions (i.e. regions of high occurrence of a set of items or patterns of a given alphabet) in a sequence is studied, and three efficient approaches are proposed to solve it. The ...
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(Boston University Computer Science Department, 1993-12-20)Various restrictions on the terms allowed for substitution give rise to different cases of semi-unification. Semi-unification on finite and regular terms has already been considered in the literature. We introduce a general ...
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(Boston University Computer Science Department, 2001-10-30)Fast forward error correction codes are becoming an important component in bulk content delivery. They fit in naturally with multicast scenarios as a way to deal with losses and are now seeing use in peer to peer networks ...
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(Boston University Computer Science Department, 2007)Understanding and modeling the factors that underlie the growth and evolution of network topologies are basic questions that impact capacity planning, forecasting, and protocol research. Early topology generation work ...
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(Boston University Computer Science Department, 1997-12-31)One role for workload generation is as a means for understanding how servers and networks respond to variation in load. This enables management and capacity planning based on current and projected usage. This paper applies ...
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(Boston University Computer Science Department, 2007)Traditionally, slotted communication protocols have employed guard times to delineate and align slots. These guard times may expand the slot duration significantly, especially when clocks are allowed to drift for longer ...
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(Boston University Computer Science Department, 2003-02-06)A well-known paradigm for load balancing in distributed systems is the``power of two choices,''whereby an item is stored at the less loaded of two (or more) random alternative servers. We investigate the power of two choices ...
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(Boston University Computer Science Department, 2001-30)This paper presents a tool called Gismo (Generator of Internet Streaming Media Objects and workloads). Gismo enables the specification of a number of streaming media access characteristics, including object popularity, ...
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(Boston University Computer Science Department, 2002-07-15)A number of problems in network operations and engineering call for new methods of traffic analysis. While most existing traffic analysis methods are fundamentally temporal, there is a clear need for the analysis of traffic ...
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(Boston University Computer Science Department, 2004-07-01)We investigate adaptive buffer management techniques for approximate evaluation of sliding window joins over multiple data streams. In many applications, data stream processing systems have limited memory or have to deal ...
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(Boston University Computer Science Department, 2000-04-04)
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(Boston University Computer Science Department, 2009-11-24)Energy-efficient communication has recently become a key challenge for both researchers and industries. In this paper, we propose a new model in which a Content Provider and an Internet Service Provider cooperate to reduce ...
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(CS Department, Boston University, 2010-03-31)We propose a distributed approach in which an Internet Service Provider (ISP) and a Content Provider (CP) cooperate to minimize total power consumption. Our solution is distributed between the ISP and the CP to limit shared ...
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(Boston University Computer Science Department, 2004-04-27)Group communication is as an important functionality, which needs to be supported by various communication technologies. Applications of group communication include IP (or application-level) multicast, wireless and/or ...
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(CS Department, Boston University, 2010-09-06)We present a framework to adapt software to the needs of individuals with severe motion disabilities who use mouse substitution interfaces. Typically, users are required to adapt to the interfaces that they wish to use. ...
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(Boston University Computer Science Department, 2004-11-04)Hand signals are commonly used in applications such as giving instructions to a pilot for airplane take off or direction of a crane operator by a foreman on the ground. A new algorithm for recognizing hand signals from a ...
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(Boston University Computer Science Department, 1997-11-24)A novel method for 3D head tracking in the presence of large head rotations and facial expression changes is described. Tracking is formulated in terms of color image registration in the texture map of a 3D surface model. ...
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(Boston University Computer Science Department, 2007)Generic object-oriented programming languages combine parametric polymorphism and nominal subtype polymorphism, thereby providing better data abstraction, greater code reuse, and fewer run-time errors. However, most generic ...
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(Boston University Computer Science Department, 2008-10-14)We present a thorough characterization of the access patterns in blogspace, which comprises a rich interconnected web of blog postings and comments by an increasingly prominent user community that collectively define what ...
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(Boston University Computer Science Department, 2002-05-10)We present what we believe to be the first thorough characterization of live streaming media content delivered over the Internet. Our characterization of over five million requests spanning a 28-day period is done at three ...
Now showing items 178-197 of 477
