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Loss Function for Deep Learning to Model Dynamical Systems

Takahito YOSHIDA,Takaharu YAGUCHI,Takashi MATSUBARA, Vol.E107-D, No.11, pp.1458-1462
Accurately simulating physical systems is essential in various fields. In recent years, deep learning has been used to automatically build models of such systems by learning from data. One such method is the neural ordinary differential equation (neural ODE), which treats the output of a neural network as the time derivative of the system states. However, while this and related methods have shown promise, their training strategies still require further development. Inspired by error analysis techniques in numerical analysis while replacing numerical errors with modeling errors, we propose the error-analytic strategy to address this issue. Therefore, our strategy can capture long-term errors and thus improve the accuracy of long-term predictions.
Publication Date: 2024/11/01




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KPDN increases PriceCatcher functionality through collaboration with Mydin, Redtick

KUALA LUMPUR: The PriceCatcher app will continue to be improved with data-sharing on prices through the collaboration between the Domestic Trade and Cost of Living Ministry (KPDN) and two supermarket chains, Mydin and Redtick, said Minister, Datuk Armizan Mohd Ali.

He said that this commitment is an initiative that reflects transparency in transactions and business ethics to avoid price manipulation or profiteering at the expense of consumers.

“Previously, the price data displayed in the PriceCatcher app was entirely sourced from field price monitoring officers, which limited the coverage area and the number of premises uploaded to the app.

“...the signing of this MoU (Memorandum of Understanding) marks a pioneering effort to improve the app by enabling automated data sharing from the involved supermarkets to be displayed in the ‘Supermarket Price Sharing’ section,“ he told reporters after the MoU signing ceremony on price data sharing in Subang Jaya today.

Mydin Mohamed Holdings Bhd, managing director Datuk Dr Ameer Ali Mydin, and KPDN secretary-general Datuk Seri Mohd Sayuthi Bakar were also present.

Armizan said that this collaboration will serve as a benchmark for expanding the data-sharing initiative to other supermarkets and premises.

According to Armizan, the PriceCatcher app previously displayed price information for 480 consumer goods, with daily updates for 186 items, weekly updates for 220 items, and monthly updates for 74 items.

“Up until Nov 7, 459,998 users nationwide uploaded the app, however, the active usage rate is 10,00 per week.

“We are taking an additional approach to add more information in the app without adding more price monitoring officers by adopting a self-reporting system or data sharing from retail sector players,“ he said, adding that the app serves as a reference for users and fosters the habit of checking prices of items before buying.




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East West One Group planters request fund release for rehabilitation exercise

KUALA LUMPUR: A group of planters and stakeholders in the East West One Group (EWOG) schemes urgently calls on Pacific Trustees Bhd (PTB) to release the funds necessary for the company’s approved rehabilitation and restructuring (R&R) exercise.

The majority of EWOG’s investors, represented by Thirunavukarasu Illamurugan, Yong Chin Koi, and Mahadevan Kathirgamathamby, are concerned that PTB’s continued withholding of these funds could further damage the company’s financial health, potentially leading to irreversible losses.

To recap, EWOG obtained planters’ approval of the company’s R&R exercise across all three schemes: East West One Planter’s Scheme (EWOP), East West Horizon Planter’s Scheme, and East-West Planter Scheme 1.

EWOG, in a statement, said the past few years have seen significant challenges that have severely impacted plantation operations, including the global Covid-19 pandemic, La Niña weather phenomena, industry-wide labour shortages, land disputes with landowners, and repeated injunctions that prevented timely convening of planters’ meetings from addressing these issues.

These cumulative challenges have compounded the company’s cash flow problems, resulting in an inability to meet payment obligations.

According to a statement by EWOG, despite the overwhelming support for the R&R plan from planters and stakeholders at the August 12 Planters’ Meeting, critical rehabilitation work on EWOG’s plantation assets remains stalled due to this delay.

For over a year, the plantation palms have relied solely on natural soil fertility, with no structured fertilisation or agronomic practices.

Prompt initiation of the R&R program is essential to restoring the plantation’s productivity.

This program leverages enhanced agronomic practices and inputs to increase fresh fruit bunch (FFB) production.

With crude palm oil (CPO) prices currently above RM4,000 per ton and projected to hold through 2025, the company has a unique window to capitalise on these favourable market conditions.

Proceeds from FFB sales could also partially offset ongoing rehabilitation costs, creating a sustainable pathway to recovery.

“Every day of delay further impacts our ability to restore the plantation and diminishes potential returns for all investors,” said Thirunavukarasu in the statement.

“These funds, specifically held in trust for the plantation’s rehabilitation, need to be released without further delay,“ he said in the statement.

According to a recent court filing by East West Horizon Plantation Bhd, the management continues to face challenges due to PTB’s reluctance to finalise necessary trust deeds despite ongoing efforts from EWOG’s management and legal team.

This impasse prevents the release of funds crucial for the R&R efforts, posing increased risks to the plantation assets and investor returns.

The investors’ representatives stressed that “a swift resolution is essential to launch the rehabilitation efforts and generate returns for all stakeholders.”

“It is time to move past the standstill and allow the EWOG group to implement the R&R plan for the benefit of all involved.”




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Teach-O-Matic : 3ds max Fundamentals




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Govt lacks funds to curb illegal fishing

Government facing significant difficulty in keeping a check on illegal fishing trawlers in Gwadar's marine area.




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New tools give researchers hope for fungus-ravaged US bats

This February 9, 2013, handout photo courtesy of the US National Park Service shows a tricolored bat with signs of white-nose syndrome on its snout and both wings at Mammoth Cave National Park in Kentucky. — AFP

Standing at a woodland entrance to the world's longest cave...




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Funniest/Most Insightful Comments Of The Week At Techdirt

This week, our first place winner on the insightful side is Arianity with a comment about Bezos’s endorsement gambit backfiring: In second place, it’s an anonymous reply to someone defending Trump’s lawsuit against CBS: Alright. Let’s see every trump interview over his life released in full and uncensored. For editor’s choice on the insightful side, […]




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India police raid media office, journalists' homes in illegal funding probe

Indian police raid NewsClick and journalists' homes in foreign funding probe, raising media freedom concerns





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Musk's xAI in funding talks to value the company at $40 billion

Elon Musk's artificial intelligence startup xAI is reportedly engaged in funding talks that could see the company secure a $40 billion valuation.




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Art Garfunkel recounts recent emotional reunion with musical partner Paul Simon

Musician Art Garfunkel recently reunited with on-again/off-again musical partner Paul Simon, looking to reconcile their differences and make amends.




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Trump, GOP plan to usher through tax-cut legislation that could also fund border wall

Call it the "Tax Cuts and Wall Act." Republicans, on the verge of a full sweep of government, are plotting immediate legislation that would extend and expand tax cuts, bolster U.S. energy production and perhaps provide money to finish building the southern border wall.




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Japan's SoftBank returns to profit after gains at Vision Fund and other investments

Japanese technology group SoftBank swung back to profitability in the July-September quarter, boosted by positive results in its Vision Fund investments.




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European Commission launches pilot to open up publicly funded research data

Today, 16/12/2013,  the European Commission announced the launch of a new Pilot on Open Research Data in Horizon 2020, to ensure that valuable information produced by researchers in many EU-funded projects will be shared freely. Researchers in projects participating in the pilot are asked to make the underlying data needed to validate the results presented in scientific publications and other scientific information available for use by other researchers, innovative industries and citizens. This will lead to better and more efficient science and improved transparency for citizens and society. It will also contribute to economic growth through open innovation. For 2014-2015, topic areas participating in the Open Research Data Pilot will receive funding of around €3 billion.

The Commission recognises that research data is as important as publications. It therefore announced in 2012 that it would experiment with open access to research data (see IP/12/790). The Pilot on Open Research Data in Horizon 2020 does for scientific information what the Open Data Strategy does for public sector information: it aims to improve and maximise access to and re-use of research data generated by projects for the benefit of society and the economy.

The Pilot involves key areas of Horizon 2020:

  • Future and Emerging Technologies

  • Research infrastructures – part e-Infrastructures

  • Leadership in enabling and industrial technologies – Information and Communication Technologies

  • Societal Challenge: Secure, Clean and Efficient Energy – part Smart cities and communities

  • Societal Challenge: Climate Action, Environment, Resource Efficiency and Raw materials – with the exception of topics in the area of raw materials

  • Societal Challenge: Europe in a changing world – inclusive, innovative and reflective Societies

  • Science with and for Society

Neelie Kroes, Vice-President of the European Commission for the Digital Agenda said "We know that sharing and re-using research data holds huge potential for science, society and the economy. This Pilot is an opportunity to see how different disciplines share data in practice and to understand remaining obstacles."

Commissioner Máire Geoghegan-Quinn said: "This pilot is part of our commitment to openness in Horizon 2020. I look forward to seeing the first results, which will be used to help set the course for the future."

Projects may opt out of the pilot to allow for the protection of intellectual property or personal data; in view of security concerns; or should the main objective of their research be compromised by making data openly accessible.

The Pilot will give the Commission a better understanding of what supporting infrastructure is needed and of the impact of limiting factors such as security, privacy or data protection or other reasons for projects opting out of sharing. It will also contribute insights in how best to create incentives for researchers to manage and share their research data.

The Pilot will be monitored throughout Horizon 2020 with a view to developing future Commission policy and EU research funding programmes.





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Article Alert: Linking Earth Observation and taxonomic, structural and functional biodiversity: Local to ecosystem perspectives

A new research paper Linking Earth Observation and taxonomic, structural and functional biodiversity: Local to ecosystem perspectives published in the journal Ecological Indicators looks at the ways in which earth observation (EO) techniques may provide a solution to overcome shortcomings in biodiversity monitoring by measuring entities of interest at different spatial and temporal scales. 

Abstract: 

Impacts of human civilization on ecosystems threaten global biodiversity. In a changing environment, traditional in situ approaches to biodiversity monitoring have made significant steps forward to quantify and evaluate BD at many scales but still, these methods are limited to comparatively small areas. Earth observation (EO) techniques may provide a solution to overcome this shortcoming by measuring entities of interest at different spatial and temporal scales.

This paper provides a comprehensive overview of the role of EO to detect, describe, explain, predict and assess biodiversity. Here, we focus on three main aspects related to biodiversity taxonomic diversity, functional diversity and structural diversity, which integrate different levels of organization molecular, genetic, individual, species, populations, communities, biomes, ecosystems and landscapes. In particular, we discuss the recording of taxonomic elements of biodiversity through the identification of animal and plant species. We highlight the importance of the spectral traits (ST) and spectral trait variations (STV) concept for EO-based biodiversity research.

Furthermore we provide examples of spectral traits/spectral trait variations used in EO applications for quantifying taxonomic diversity, functional diversity andstructural diversity. We discuss the use of EO to monitor biodiversity and habitat quality using differ-ent remote-sensing techniques. Finally, we suggest specifically important steps for a better integrationof EO in biodiversity research.EO methods represent an affordable, repeatable and comparable method for measuring, describing,explaining and modelling taxonomic, functional and structural diversity. Upcoming sensor developmentswill provide opportunities to quantify spectral traits, currently not detectable with EO, and will surelyhelp to describe biodiversity in more detail. Therefore, new concepts are needed to tightly integrate EOsensor networks with the identification of biodiversity. This will mean taking completely new directionsin the future to link complex, large data, different approaches and models.

Original reseach:

A. Lausch, L. Bannehr, M. Beckmann, C. Boehm, H. Feilhauer, J.M. Hacker, M. Heurich, A. Jung, R. Klenke, C. Neumann, M. Pause, D. Rocchini, M.E. Schaepman, S. Schmidtlein, K. Schulz, P. Selsam, J. Settele, A.K. Skidmore, A.F. Cord, Linking Earth Observation and taxonomic, structural and functional biodiversity: Local to ecosystem perspectives, Ecological Indicators, Volume 70, November 2016, Pages 317-339, ISSN 1470-160X, http://dx.doi.org/10.1016/j.ecolind.2016.06.022

 





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EU BON digital identifiers for fungal species in Science

A recent article in the academic journal Science published by Prof. Urmas Kõljalg and colleagues aims to explain the possibilities for identifying species determined based on DNA samples only.

The article was published as a response to David Hibbetts paper "The invisible dimension of fungal diversity". The American mycologist Hibbett argues that huge amount of fungal species cannot be identified and described scientifically as the international code does not permit describing new species based on DNA samples derived from molecular surveys of the environment. However, the Estonian and Swedish scientists show – analysing the same data – how DNA based fungal species have been identified and communicated for several years now using database UNITE (https://unite.ut.ee).


In the forests of Laos the mushroom season has already begun.  Among the mushrooms presented on these dishes one can most likely also find species scientifically yet undescribed. The digital object identifiers (DOIs) system created by the scientists in Tartu permits comunication of these species already before they have been granted scientific names. Writing about poisonous mushrooms for example helps to keep people informed, so that cases of intoxication can be avoided more often. (Photo: Urmas Kõljalg)

"Traditionally species are determined based on their morphology and anatomy, in printed books – traditional keys to nature – species are displayed on pictures and in written descriptions. But DNA of fungi can also be found in samples of soil, of leaves, of air, in these circumstances we do not actually have the fungus itself and we cannot identify it visually," Urmas Kõljalg explains the core of the matter. "In this case, species can be determined evaluating their DNA sequences."

The UNITE Species Hypotheses approach demonstrates how the DNA based fungal species can be referred to in a proper scientific manner already before they have been described formally according to the code. This can be done using unique digital object identifiers (DOIs) given to all fungal species in the UNITE database. This keeps all the references automatically connected and machine-readable by other databases as well.

"Even if the species will have its name ten years from now, the DOI code will help us go back and see, where the species was first described and who found it," Urmas Kõljalg says.

For several years now by leading species classification platforms based on DNA sequences more than half a million DOI codes have been used as identifiers of fungal species. UNITE fungal codes are used by the most influential gene bank NCBI also. The UNITE system uses a new paradigm in identifying species, this paradigm was first described by Urmas Kõljalg and colleagues in 2013.

UNITE – the global unified system for the DNA based fungal species – contains information of all the fungal species known from sequence data, hundreds of researchers from all over the world are collaborating. UNITE is hosted by PlutoF cloud, which permits creating very complex databases for various biodiversity data, including DOIs. The development of PlutoF system is supported by the Estonian research infrastructures roadmap project NATARC (http://natarc.ut.ee), EU BON (http://eubon.eu), etc. All scientists can use PlutoF for free.





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‘More sun means more fun’: Markey makes another pitch for permanent DST

“We need to make sure that the hour of sunlight, of daylight, is in the evening so people’s mouths can be turned upwards in a smile,” Markey said in a recent video.

The post ‘More sun means more fun’: Markey makes another pitch for permanent DST appeared first on Boston.com.





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Functional traits help to explain half-century long shifts in pollinator distributions




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Digital identifiers for fungal species




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Linking Earth Observation and taxonomic, structural and functional biodiversity: Local to ecosystem perspectives




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The 18 Weirdest And Funniest Craigslist Ads For Musicians

You can always count on Craigslist for some highly questionable listings but we all know the free online classifieds site has a reputation for publishing some unusual, ... Read more

The post The 18 Weirdest And Funniest Craigslist Ads For Musicians appeared first on CMUSE.





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Funky: No te Cambio

Luis Marrero, mejor conocido como «Funky», es hoy identificado como uno de los principales exponentes de la Música "Urbana" Cristiana, con seis álbumes en su haber y múltiples proyectos como productor. En esta emisión, nos presenta el ...




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ACI Foundation Funds Eight New Research Projects

The ACI Foundation’s Concrete Research Council selected eight research projects to receive grants this year.




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Crowdfunding campaign aims to resurrect former vinspired service

The defunct charity's former digital director wants to set up its digital volunteer recruitment network as a social enterprise




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James Somerville: Charities will benefit more from funding for public services than direct measures in Labour’s first budget

Charities need stability and clarity from next week’s announcement – more ambitious interventions can wait



  • Policy and Politics

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National Lottery Community Fund commits £3bn to charities by 2030

The grantmaker announces three partnership programmes as part of the funding new package




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Regulator recovers more than £10m in unused funds for Welsh charities

The programme has supported 72 inactive Welsh charities to become operational again, the commission says



  • Registered metered content

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Cancer charity broke fundraising code over clothing collection bags, regulator rules

The Fundraising Regulator says it saw ‘little supporting documentary evidence’ to suggest the charity had comprehensive oversight over the work carried out by a clothing collection company in its name




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Government confirms where £350m of dormant asset funds will be allocated

The government has earmarked four areas for spending until 2028




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Holyrood committee urges Scottish Government to prioritise three-year funding for charities

Funding models must also include provisions for inflation-based adjustments, the report says




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Fundraiser of the Week: Emma Malcolm of the Macular Society

The director of fundraising and marketing on the challenges of raising money for a condition few know much about




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Fundraiser of the Week: Lorainne Nicholls of Mencap

The fundraising team assistant at the learning disability charity talks to Third Sector about being creative, using your contacts and why fundraising is like training for a marathon




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Fundraiser of the Week: Paul Moore of Winston's Wish

The head of corporate and community engagement at the childhood bereavement charity




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Fundraiser of the Week: Samantha Braithwaite of Penny Brohn UK

The head of fundraising opportunities at the cancer support charity talks to Third Sector about loss, competition in fundraising and completing fundraising events with her 16-month-old




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Fundraiser of the Week: Karl Mitchell of the Woodland Trust

The director of fundraising at the conservation charity talks to Third Sector about Aston Villa, building bespoke relationships with supporters and having passion for your cause




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Fundraiser of the Week: Abi Wells of Lepra

The corporate and community partnerships manager at the leprosy charity talks to Third Sector about innovation in corporate partnerships and not being able to switch off




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Fundraising falling? Then set up a start-up

As income from traditional fundraising methods starts to come under strain, a three-year project has been exploring new models of income generation for charities. Rebecca Cooney looks at the results so far




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Third Sector Awards 2019: Fundraising Campaign - ActionAid UK for Not This Girl

Awarded to a fundraising campaign that used an original or inspiring approach to secure donations




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Third Sector Awards 2019: Fundraising Team of the Year - Clic Sargent

Awarded to a fundraising team that has worked effectively together to achieve or exceed its fundraising targets




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Fundraiser of the Week: Annie Whillians of Pancreatic Cancer Action

The fundraising executive at the charity that focuses on improving cancer survival rates talks to Third Sector




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Fundraiser of the Week: Richard James of Music as Therapy International

The fundraiser at the charity that uses music to work with vulnerable people talks to Third Sector




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Christmas fundraising series: Is a Covid-19 Christmas still a time for giving?

Many charities rely on their Christmas campaigns for an end of year fundraising boost – but with the pandemic raging, will this still be the season of goodwill? Leesa Harwood shares her thoughts with Rebecca Cooney in the first of our Christmas 2020 fundraising series




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Christmas fundraising series: How Bowel Cancer UK has difficult conversations

Bowel Cancer UK is no stranger to making fundraising asks of people in difficult circumstances. With so many potential supporters struggling financially this year, Rebecca Cooney asks how charities should handle these conversations




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Christmas fundraising series: How Great Ormond Street Hospital Children’s Charity is bringing Christmas home

Last year, GOSH Children’s Charity decided it needed to bring all of its Christmas communications together under one theme – but as Rebecca Cooney finds out, the theme it chose turned out to be more relevant to Christmas in 2020 than expected




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Making a Difference Locally: The funder turning pennies into projects

Rebecca Cooney finds out how Making a Difference Locally is living up to its name




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Indiana lawmaker introduces bill to create a public safety research fund

Indianapolis — Indiana Rep. Randy Frye (R-Greensburg) has introduced state legislation that would create a public safety research fund aimed at understanding and improving the physical health and safety and psychological well-being of first responders.




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Deadly fungal infection in Michigan paper mill prompts call for industry action

Pittsburgh — The United Steelworkers is calling on the paper industry to protect its workers against fungal infections – one of which has proved deadly.




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Biden signs bill ensuring increases to Black Lung Disability Trust Fund

Washington — A new law permanently restores a recently expired excise tax rate increase on coal production, which will help fund health care and other benefits for coal miners who have black lung disease.