A revenue-equivalence theorem for electricity auctions

The purpose of this paper is to analyse the real-time trading of electricity. We address a model for an auction-like trading which captures key features of real-world electricity markets. Our main result establishes that, under certain conditions, the expected total payment for electricity is independent of the particular auction type. This result is analogous to the revenue-equivalence theorem known for classical auctions and could contribute to an improved understanding of different electricity market designs and their comparison.

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Real-Time Unspecified Major Sub-Events Detection in the Twitter Data Stream That Cause the Change in the Sentiment Score of the Targeted Event

International Journal of Information Technology and Web Engineering ◽

10.4018/ijitwe.2017100101 ◽

2017 ◽

Vol 12 (4) ◽

pp. 1-21 ◽

Cited By ~ 10

Author(s):

Ritesh Srivastava ◽

M.P.S. Bhatia

Keyword(s):

Real Time ◽

Real World ◽

Virtual Communities ◽

Change Points ◽

Time Analysis ◽

The Real ◽

Real Time Analysis ◽

Twitter Data ◽

Sentiment Score ◽

Events Detection

Twitter behaves as a social sensor of the world. The tweets provided by the Twitter Firehose reveal the properties of big data (i.e. volume, variety, and velocity). With millions of users on Twitter, the Twitter's virtual communities are now replicating the real-world communities. Consequently, the discussions of real world events are also very often on Twitter. This work has performed the real-time analysis of the tweets related to a targeted event (e.g. election) to identify those potential sub-events that occurred in the real world, discussed over Twitter and cause the significant change in the aggregated sentiment score of the targeted event with time. Such type of analysis can enrich the real-time decision-making ability of the event bearer. The proposed approach utilizes a three-step process: (1) Real-time sentiment analysis of tweets (2) Application of Bayesian Change Points Detection to determine the sentiment change points (3) Major sub-events detection that have influenced the sentiment of targeted event. This work has experimented on Twitter data of Delhi Election 2015.

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Between Real and Ideal: Documenting Media Art

Leonardo ◽

10.1162/leon.2008.41.4.418 ◽

2008 ◽

Vol 41 (4) ◽

pp. 418-419 ◽

Cited By ~ 6

Author(s):

Caitlin Jones ◽

Lizzie Muller

Keyword(s):

Data Structure ◽

Real World ◽

Media Art ◽

New Approach ◽

The Real ◽

Key Features ◽

The Ideal

This paper describes a new approach to documenting media art which seeks to place in dialogue the artist's intentions and the audience's experience. It explicitly highlights the productive tension between the ideal, conceptual existence of the work, and its actual manifestation through different iterations and exhibitions in the real world. The paper describes how the approach was developed collaboratively during the production of a documentary collection for the artwork Giver of Names, by David Rokeby. It outlines the key features of the approach including artist's interview, audience interviews and data structure.

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Augmented Reality Berbasis Android Sebagai Media Pembelajaran Sistem Tata Surya

Jurnal CoSciTech (Computer Science and Information Technology) ◽

10.37859/coscitech.v2i1.2178 ◽

2021 ◽

Vol 2 (1) ◽

pp. 53-59

Author(s):

Yulia Fatma ◽

Armen Salim ◽

Regiolina Hayami

Keyword(s):

Augmented Reality ◽

Solar System ◽

Real Time ◽

Real World ◽

Virtual World ◽

The Real ◽

Virtual Objects ◽

Augmented Reality Technology ◽

The Revolution

Along with the development, the application can be used as a medium for learning. Augmented Reality is a technology that combines two-dimensional’s virtual objects and three-dimensional’s virtual objects into a real three-dimensional’s then projecting the virtual objects in real time and simultaneously. The introduction of Solar System’s material, students are invited to get to know the planets which are directly encourage students to imagine circumtances in the Solar System. Explenational of planets form and how the planets make the revolution and rotation in books are considered less material’s explanation because its only display objects in 2D. In addition, students can not practice directly in preparing the layout of the planets in the Solar System. By applying Augmented Reality Technology, information’s learning delivery can be clarified, because in these applications are combined the real world and the virtual world. Not only display the material, the application also display images of planets in 3D animation’s objects with audio.

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Do Benefits from Dynamic Tariffing Rise? Welfare Effects of Real-Time Retail Pricing Under Carbon Taxation and Variable Renewable Electricity Supply

Environmental and Resource Economics ◽

10.1007/s10640-019-00393-0 ◽

2019 ◽

Vol 75 (1) ◽

pp. 183-213

Author(s):

Christian Gambardella ◽

Michael Pahle ◽

Wolf-Peter Schill

Keyword(s):

Real Time ◽

Electricity Markets ◽

Electricity Market ◽

Wholesale Price ◽

Price Volatility ◽

Market Model ◽

High Carbon ◽

Welfare Gains ◽

Retail Pricing ◽

Carbon Taxation

AbstractWe analyze the gross welfare gains from real-time retail pricing in electricity markets where carbon taxation induces investment in variable renewable technologies. Applying a stylized numerical electricity market model, we find a U-shaped association between carbon taxation and gross welfare gains. The benefits of introducing real-time pricing can accordingly be relatively low at relatively high carbon taxes and vice versa. The non-monotonous change in welfare gains can be explained by corresponding changes in the inefficiency arising from “under-consumption” during low-price periods rather than by changes in wholesale price volatility. Our results may cast doubt on the efficiency of ongoing roll-outs of advanced meters in many electricity markets, since net benefits might only materialize at relatively high carbon tax levels and renewable supply shares.

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Optimal Hour-Ahead Bidding in the Real-Time Electricity Market with Battery Storage Using Approximate Dynamic Programming

INFORMS Journal on Computing ◽

10.1287/ijoc.2015.0640 ◽

2015 ◽

Vol 27 (3) ◽

pp. 525-543 ◽

Cited By ~ 29

Author(s):

Daniel R. Jiang ◽

Warren B. Powell

Keyword(s):

Dynamic Programming ◽

Real Time ◽

Electricity Market ◽

Approximate Dynamic Programming ◽

Battery Storage ◽

The Real

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Enhancing Students' Understanding of the Business World

Industry and Higher Education ◽

10.1177/095042229901300407 ◽

1999 ◽

Vol 13 (4) ◽

pp. 267-276 ◽

Cited By ~ 4

Author(s):

David Laughton ◽

Roger Ottewill

Keyword(s):

International Business ◽

Real World ◽

Point Of View ◽

Key Factors ◽

Business World ◽

The Real ◽

Learning And Teaching ◽

Pedagogic Tool ◽

Potential Benefits ◽

Key Features

As part of their attempt to embed their teaching more firmly in the ‘real world’ of business, some university tutors have incorporated ‘commissioned’ or ‘live’ projects into their learning and teaching strategies. These projects enable students to make a direct contribution to their business clients while simultaneously fulfilling key educational objectives. Drawing on their experience of the use of commissioned projects on an MSc in International Business (MSclB) course, the authors analyse in detail both the potential benefits and the problems that arise in implementing such schemes. In this paper, they outline some of the key features of the MSclB course, focusing on the commissioned project component; indicate the reasons for using commissioned projects from the point of view of both tutors and students; describe and evaluate the methodology used to generate data for informing the identification and discussion of issues; and explore a number of key factors for tutors and students in the use of commissioned projects. The paper thus raises awareness of the nature of commissioned projects as a pedagogic tool and of what needs to be done if their contribution to the enhancement of students' understanding of the business world is to be maximized.

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