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The Nature and Growth of Vertical Specialization in World Trade
- Journal of International Economics
"... Abstract: Dramatic changes are occurring in the nature of international trade. Production processes increasingly involve a sequential, vertical trading chain stretching across many countries, with each country specializing in particular stages of a good’s production sequence. We document a key aspe ..."
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Cited by 481 (20 self)
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Abstract: Dramatic changes are occurring in the nature of international trade. Production processes increasingly involve a sequential, vertical trading chain stretching across many countries, with each country specializing in particular stages of a good’s production sequence. We document a key
N-grambased text categorization
- In Proc. of SDAIR-94, 3rd Annual Symposium on Document Analysis and Information Retrieval
, 1994
"... Text categorization is a fundamental task in document processing, allowing the automated handling of enormous streams of documents in electronic form. One difficulty in handling some classes of documents is the presence of different kinds of textual errors, such as spelling and grammatical errors in ..."
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Cited by 445 (0 self)
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in email, and character recognition errors in documents that come through OCR. Text categorization must work reliably on all input, and thus must tolerate some level of these kinds of problems. We describe here an N-gram-based approach to text categorization that is tolerant of textual errors. The system
Generating Input Documents for Testing XML Queries with ToXgene
"... Modern software technologies use the XML language as a preferred means of data interchange and representation, which can be accessed using XML queries. Testing these queries can be difficult because they use complex data as input in form of XML documents. This work addresses this problem by defining ..."
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Cited by 3 (2 self)
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Modern software technologies use the XML language as a preferred means of data interchange and representation, which can be accessed using XML queries. Testing these queries can be difficult because they use complex data as input in form of XML documents. This work addresses this problem
Title: Enhanced variable-length coding Status: Input Document to JVT
"... This contribution investigates error resilience properties of two codes, UVLC and VLCD. UVLC has been used so far in H.26L standardization, and VLCD is a reversible VLC that offers error resilience/concealment possibilities which are superior to UVLC. Intellectual Property Rights The author is not a ..."
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is not aware of any IPRs that are connected to the proposed techniques. For more information, the JVT Patent Disclosure Form is attached to the document.
Wikify!: linking documents to encyclopedic knowledge
- In CIKM ’07: Proceedings of the sixteenth ACM conference on Conference on information and knowledge management
, 2007
"... This paper introduces the use of Wikipedia as a resource for automatic keyword extraction and word sense disambiguation, and shows how this online encyclopedia can be used to achieve state-of-the-art results on both these tasks. The paper also shows how the two methods can be combined into a system ..."
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Cited by 265 (6 self)
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able to automatically enrich a text with links to encyclopedic knowledge. Given an input document, the system identifies the important concepts in the text and automatically links these concepts to the corresponding Wikipedia pages. Evaluations of the system show that the automatic annotations
The RC5 Encryption Algorithm
, 1995
"... Abstract. This document describes the RC5 encryption algorithm. RC5 is a fast symmetric block cipher suitable for hardware or software implementations. A novel feature of RC5 is the heavy use of data-dependent rotations. RC5 has a variable word size, a variable number of rounds, and a variable-lengt ..."
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Cited by 363 (7 self)
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Abstract. This document describes the RC5 encryption algorithm. RC5 is a fast symmetric block cipher suitable for hardware or software implementations. A novel feature of RC5 is the heavy use of data-dependent rotations. RC5 has a variable word size, a variable number of rounds, and a variable
A study in two-handed input
- In Proceedings of CHI '86
, 1986
"... Two experiments were run to investigate two-handed input. The experimental tasks were representative of those found in CAD and office information systems. Experiment one involved the performance of a compound selection/positioning task The two sub-tasks were performed by different hands using separa ..."
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Cited by 239 (18 self)
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Two experiments were run to investigate two-handed input. The experimental tasks were representative of those found in CAD and office information systems. Experiment one involved the performance of a compound selection/positioning task The two sub-tasks were performed by different hands using
Filename: JVT-J024.doc Title: Method for Objective Video Quality Measurements Status: Input Document to JVT
"... This proposal encompasses an objective video quality measurement method to automatically measure the perceived quality of a stream of video images. The method is based on a combined measure of distortioninvisibility, block-fidelity, and content richness fidelity. There is a need for automatic and ob ..."
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This proposal encompasses an objective video quality measurement method to automatically measure the perceived quality of a stream of video images. The method is based on a combined measure of distortioninvisibility, block-fidelity, and content richness fidelity. There is a need for automatic and objective video quality measurement method that is able to emulate the human vision to detect the perceived quality of a video stream. Traditionally, video quality is performed via a subjective test where a large number of human subjects are used to gauge the quality of a video but this process is not only time-consuming but and tedious and expensive to perform. This proposal describes an objective video quality measurement method for automatically gauging the perceived quality of a stream of video images using a combined feature of distortion-invisibility, block-fidelity, and content richness fidelity. It basically replaces the need of a subjective test in order to be able to gauge the perceived quality of a video stream. 2.
Title: Status: Lagrange Multiplier Selection for Rate-Distortion Optimization in SVC Input Document to JVT
, 2009
"... The Lagrange multiplier based rate-distortion optimization (RDO) has been widely employed in single layer video coding. During the development of scalable video coding (SVC) extension of H.264/AVC, it was directly applied in a multi-layer scenario. However, such an application is not very efficient ..."
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The Lagrange multiplier based rate-distortion optimization (RDO) has been widely employed in single layer video coding. During the development of scalable video coding (SVC) extension of H.264/AVC, it was directly applied in a multi-layer scenario. However, such an application is not very efficient since the correlation between layers is not considered in the Lagrange multiplier selection. To improve the overall performance, in this contribution a new selection algorithm is presented for RDO in SVC. Simulations show that the proposed method outperforms the most recent SVC reference software (JSVM 9.15). With small computational cost, average gains of 0.22 dB and 0.35 dB were reportedly achieved in the tests of four-layer quality scalability and three-layer spatial scalability, respectively. 1.
Status Input Document Title Evaluation of Scalable versus Single Layer Compression on Consumer HDR Displays
, 2015
"... In this work, we evaluate the compression of HDR content using either a single layer or scalable approach. Content were evaluated on a 10-bit per channel, P3 display with a peak luminance of 1,000 nits. Evaluated content was graded on a display with higher peak luminance than the one used in this wo ..."
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In this work, we evaluate the compression of HDR content using either a single layer or scalable approach. Content were evaluated on a 10-bit per channel, P3 display with a peak luminance of 1,000 nits. Evaluated content was graded on a display with higher peak luminance than the one used in this work. Simulations were compliant with the anchors defined in the HDR Call for Evidence (CfE) [1] and the subjective evaluations followed the guidelines of the CfE. Results point towards a higher efficiency of the single layer compression scheme, however the amount of increased efficiency was really hard to judge since the CfE suggested tests conditions were not suited for the task in hand. More specifically, for three out of five sequences, the single layer tends to outperform the scalable approach. For the other two sequences, the difference in quality between the lower and higher bit rates is not significant enough to reach any conclusion. Furthermore, comparison with tests performed on the SIM2 shows that using a display with lower peak luminance can smooth out compression artifacts. We plan to address the above challenges in future contributions 1
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