geometric models for noncummutative algebras - a da silva, a weinstein

geometric models for noncummutative algebras - a.da silva, a. weinstein

geometric models for noncummutative algebras - a.da silva, a. weinstein

... the Poincar´e-Birkhoff-Witt theorem. Geometric Models for Noncommutative Algebras Ana Cannas da Silva 1 Alan Weinstein 2 University of California at Berkeley December 1, 1998 1 acannas@math.berkeley.edu, ... for infinite dimensional Lie algebras, as well as for Lie algebras over arbitrary fields or rings. 1.1 Universal Enveloping Algebras Regarding g just as a vector space...
Ngày tải lên : 31/03/2014, 16:14
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Tài liệu Báo cáo khoa học: "Refined Lexicon Models for Statistical Machine Translation using a Maximum Entropy Approach" pptx

Tài liệu Báo cáo khoa học: "Refined Lexicon Models for Statistical Machine Translation using a Maximum Entropy Approach" pptx

... Lexicon Models for Statistical Machine Translation using a Maximum Entropy Approach Ismael Garc ´ a Varea Dpto. de Inform´atica Univ. de Castilla-La Mancha Campus Universitario s/n 02071 Albacete, ... Statistical Machine Translation The goal of the translation process in statisti- cal machine translation can be formulated as fol- lows: A source language string is to be translated in...
Ngày tải lên : 20/02/2014, 18:20
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The six business models for copyright infringement: A data-driven study of websites considered to be infringing copyright docx

The six business models for copyright infringement: A data-driven study of websites considered to be infringing copyright docx

... URL and search URL capture 2. Automated data capture 3. Manual data capture 4. Third party data capture 5. Metric calculations completed For full details of each metric, the data points contained ... sites. 29 Training data [153] (primary axis) Validation data [104] (primary axis) All sites [257] (secondary axis) Figure 4-8 : The ‘Within Sum Squares’ plot on the training data shows a s...
Ngày tải lên : 06/03/2014, 21:20
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A Comparison of Event Models for Naive Bayes Text Classication potx

A Comparison of Event Models for Naive Bayes Text Classi cation potx

... the task of text classification in a Bayesian learning framework. This approach assumes that the text data was generated by a parametric model, and uses training data to calculate Bayes-optimal ... 1976. Mehran Sahami, Susan Dumais, David Heckerman, and Eric Horvitz. A bayesian approach to filtering junk e-mail. In AAAI-98 Workshop on Learning for Text Categoriza- tion, 1998. Mehran Sah...
Ngày tải lên : 16/03/2014, 19:20
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A Survey of Activity Network-Based Process Models for Managing Product Development Projects doc

A Survey of Activity Network-Based Process Models for Managing Product Development Projects doc

... research. Finally, as standard processes become more widely used as a basis for project planning and organizational learning, research on tailoring and scaling a standard process for a particular ... manage- ment (Davenport, Jarvenpaa, and Beers 1996; Maier and Remus 2002). For example, instead of storing “les- sons learned” in a separate database, they could be embedded in a...
Ngày tải lên : 23/03/2014, 04:20
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Báo cáo khoa học: "Models for Sentence Compression: A Comparison across Domains, Training Requirements and Evaluation Measures" docx

Báo cáo khoa học: "Models for Sentence Compression: A Comparison across Domains, Training Requirements and Evaluation Measures" docx

... exclusively on parallel corpora; the caveat here is that appropri- ate training data may be scarce when porting this model to different text domains (where abstracts 378 are not available for automatic ... it has been scripted beforehand and is usually read off an autocue. One stumbling block to performing a compara- tive study between written data and speech data is that there are no nat...
Ngày tải lên : 31/03/2014, 01:20
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Báo cáo khoa học: "A Comparison of Event Models for Naive Bayes Anti-Spam E-Mail Filtering" potx

Báo cáo khoa học: "A Comparison of Event Models for Naive Bayes Anti-Spam E-Mail Filtering" potx

... role in nat- ural language processing (NLP) and information retrieval (IR) applications. One particular applica- tion of text categorization is anti-spam E-mail fil- tering, where the goal is to ... Corpora We performed experiments on two publicly avail- able E-mail corpora: 2 Ling-Spam (Androutsopou- los et al., 2000b) and PU1 (Androutsopoulos et al., 200 0a) . We trained a Naive Bayes...
Ngày tải lên : 31/03/2014, 20:20
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majda a.j., kramer p.r. simplified models for turbulent diffusion.. theory, numerical modelling, and physical phenomena

majda a.j., kramer p.r. simplified models for turbulent diffusion.. theory, numerical modelling, and physical phenomena

... representation of the passive scalar "eld. When we view the passive scalar "eld on large scales, we are e!ectively taking a coarse-grained average over small scales. As the small-scale #uctuations ... nonlocal operator K. Fortunate- ly, in certain cases, the calculation can be greatly simpli"ed by a suitable choice of trial "elds u. A related dual (nonlocal) maximal...
Ngày tải lên : 24/04/2014, 16:48
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Cú sốc xăng dầu ảnh hưởng đến các thị trường như thế nào.doc

Cú sốc xăng dầu ảnh hưởng đến các thị trường như thế nào.doc

... lược Iran và sự leo thăng cu a Chiến dịch Bão táp sa mạc với kết cục là ép được Saddam Hussein phải rút quân. Đợt tăng giá lần này là hết sức a ng kể - chỉ vài tuần ... và các quốc gia Ả Rập khác lần này là đồng minh với liên minh Hoa Kỳ và các quốc gia này a có nhiều nỗ lực để ngăn cản việc giá cả tăng lên. Ngay sau khi việc Hoa ......
 Báo cáo y học: "Sustained High Quality of Life in a 5-Year Long Term Follow-up after Successful Ablation for Supra-Ventricular Tachycardia. Results from a large Retrospective Patient Cohort"

Báo cáo y học: "Sustained High Quality of Life in a 5-Year Long Term Follow-up after Successful Ablation for Supra-Ventricular Tachycardia. Results from a large Retrospective Patient Cohort"

... (5) and insufficient (6). Y-axis: Percentage of patients Panel A: AVNRT. Panel B: AVRT. Panel C: EAT Comparing the categorical variables before and after ablation in AVNRT patients, applying ... Tachycardia; AF: Atrial Fibrillation; EAT: Ectopic Atrial Tachycardia; F: French; INR: International Normalized Ratio; QoL: Quality of Life; RF: Radio Frequency; SDA: Standard Deviation; ....
Ngày tải lên : 03/11/2012, 11:44
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