Monday, December 19, 2022 | Daily Bulletin

2022 United Way campaign ends

Stills from the President's Appreciation Video

A message from the United Way Core Committee.

As the holiday draws closer, the United Way Core Committee would like to thank everyone who supported our campus campaign this fall. Whether you donated via e-pleasure, purchased items at a department fundraiser, or attended an event, thank you for another successful United Way campaign.

To continue the United Way tradition, the campus community generously donated and raised an incredible $230,000 in the first campus campaign since 2019. United Way will distribute these funds to approximately 130 community organizations that collectively support approximately 60,000 people across the region each week. 6 months.

The campaign video includes photos from various fundraising events, a thank-you message from The Bridges, an organization funded by United Way, and a special thank-you note from Chairman and Vice-Chancellor Vivek Goel.

On behalf of the United Way Waterloo community, thank you again for making our community a better place.

Brain stimulation improves reading ability in patients with macular degeneration

A person receives brain stimulation while looking at a computer screen.

A new study shows for the first time that brain stimulation improves reading in people with macular degeneration. Medication only slows the progression of the disease, but Waterloo scientists have discovered that it can train the brain to use the information it receives more efficiently.

Transcranial direct current stimulation (tDCS) is a noninvasive, painless brain stimulation treatment that uses a direct electrical current to stimulate specific areas of the brain. Researchers stimulated the visual cortex to help the brain use the information it receives from the eyes as efficiently as possible.

Andrew Silva, a postdoctoral fellow at Waterloo’s School of Optometry and Vision Science, said: “This finding is exciting because it is the first study to demonstrate that brain stimulation in patients with macular degeneration had a positive effect on important real-world skills such as reading. “he said. .

People with macular degeneration may have blurry or no central vision, which is what allows people to see details and high resolution. As a result, they rely on low-resolution vision of their surroundings, making tasks like reading very difficult.

Study participants were presented with 30 sentences, one word at a time. A 20-minute stimulation period began while participants read 30 additional sentences word-by-word. Reading accuracy was assessed immediately, after 5 minutes and after 30 minutes. Reading accuracy improved at all time intervals after stimulation.

A parallel study conducted by Hong Kong Polytechnic University with Waterloo’s Center for Eye and Vision Research used the same methodology, but had participants read one Chinese word instead of one English word. Surprisingly, Hong Kong study participants’ reading skills did not improve with the same stimuli as in the Canadian study.

Researchers suspect that differences between studies highlight intrinsic differences between writing systems. For example, in English a word is made up of several letters, but in Chinese a single word can be represented by a single letter.

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The letters in English words are clustered close to each other, making it difficult to accurately identify words with peripheral vision. Brain stimulation is known to release these crowding effects. However, since the Hong Kong study presented one character at a time, there was no crowding between characters.

“We hypothesized that brain stimulation should improve peripheral reading by disengaging visual clustering induced by juxtaposed letters within words. This worked in the English reading cohort, but not in the Chinese character reading cohort,” said Dr.

Their research has been published in prominent peer-reviewed journals. brain stimulation.

Next, the team is evaluating the effects of long-term tDCS stimulation on English reading ability for long-term reading improvement.

“The fact that we demonstrated an acute effect is very exciting for the possibility of creating a longer lasting effect,” said Silva.

Please let us know if you are interested in participating in this study or any other vision research.

ACM Nominates Khuzaima Daudjee as Distinguished Member

Kujaima Dowge

Professor Daudjee conducts systems-oriented research and is a member of two research groups at the Cheriton School of Computer Science: Data Systems and Systems and Networking.

This article originally appeared on the Cheriton School of Computer Science website.

The Association for Computing Machinery named Cheriton School of Computer Science Professor Khuzaima Daudjee a Distinguished Member in recognition of her outstanding scientific contributions to computing.

ACM Distinguished Members Committee Chair Geraldine Fitzpatrick wrote in a letter, “On behalf of ACM and the Distinguished Members Committee, I am delighted that you are one of the honored inductees to receive this nomination, and I congratulate you on this well-deserved recognition.” to Professor Daudjee.

56 Distinguished Scientists have been elected in 2022 in the ACM Category of Outstanding Scientific Contribution to Computing, recognized by Professor Daudjee.

Raouf Boutaba, Professor and Director, Cheriton School of Computer Science, said, “Congratulations to Khuzaima on receiving this meaningful and well-deserved honor from ACM. “He is one of the Faculty of Computer Science’s highly respected group of researchers, not only conducting groundbreaking research nationally and internationally, but also educating, mentoring and inspiring students to do the same.”

Professor Daudjee designs and develops systems to store and manage data. His research drive is in three main areas: large-scale and adaptive data management, storage, and providing system-level support for applications such as stream and graph processing. His work on large-scale and adaptive systems spans building systems such as: ConfluxDB Scaling with data replication and partitioning to: morphosis And dendrites Create and adapt on-the-fly, autonomous, physical designs to improve system performance by understanding workload data access patterns.

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The results of Professor Daudjee’s research on storage systems are Proteus Distributed design can be applied to various workloads, Chronocash Results for future queries can be cached predictively. that much EC-Store The system demonstrates how cloud-scale erasure coding storage can outperform replicated storage. Understanding the progression and distribution of data streams in a streaming system leads to the design of an efficient scheduler: clink Built on the open source Apache Flink streaming engine.

Professor Daudjee conducted the first comprehensive study of graph processing systems. Then, the Barrierless Asynchronous Parallel model built into the open-source Giraph system splits the graph computation into smaller logical steps, allowing the computation to proceed with minimal delay to stragglers. his design work Hermes, a distributed graph system on top of a centralized Neo4j open source system, looks at incoming workload requests and chooses data layouts across multiple systems to minimize graph traversal. he also HDRF A graph partitioning technique that creates efficient graph data layout and influences the design and evaluation of graph partitioners.

The main focus of Professor Daudjee’s work is on building scalable and resilient systems for evaluation and benchmarking on large clusters of systems. For example, his work on graph processing systems has been deployed and benchmarked on over 100 systems.

Professor Daudjee and his graduate and undergraduate students won the ACM SIGMOD Best Demonstration Award in 2020 and 2021 and the Best Paper Award at the 2015 ACM Symposium on Cloud Computing. He is most proud of his students’ achievements. One of them received the Governor’s Gold Medal, the highest college-wide award, and the other received the Facebook Emerging Scholar Award.

Professor Daudjee said, “Thank you to all the wonderful students, collaborators and mentors. “They provided an environment driven by intellectual curiosity and insight that helped develop new systems solutions to address research challenges.”

He is the 11th faculty member of the Cheriton School of Computer Science accredited by ACM, following Professors Florian Kerschbaum (2019), Ian Goldberg (2017), Kenneth Salem (2017), Jo Atlee (2016), and Professor Charles. Clarke (2015), Ihab Ilyas (2014), Mark Giesbrecht (2013), Don Cowan (2010), Anna Lubiw (2009), Jeffrey Shallit (2008).

The Association for Computing Machinery is the world’s largest and best-known scientific and educational computing association. To be recognized as an ACM Distinguished Member, recipients must have achieved significant research achievement or have made a significant impact in computing, computer science, or information technology.

remember the retiree

Human Resources reported that the next retiree died in 2022. The Daily Bulletin recorded the death of a retiree in the first quarter of 2022 in July on two previous occasions this year.

April 2022

  • Dr. Francis Dullien, who joined the University in July 1966 and retired as Professor of Chemical Engineering in July 1994, died on April 14, 2022.
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June 2022

Dr. Thomas Fahidi

Dr. Thomas Fahidi.

  • Dr. Thomas Fahidy, who began working at Waterloo in December 1964 and retired as Professor of Chemical Engineering in December 2002, died on June 10, 2022.
  • Peter Jordan, who started out of college in October 1984 and retired as Superintendent of Homes and Home Cleaning Services in September 2015, died on June 11, 2022.
  • After retiring from university in February 1997, Ramma Kamra died on 19 June 2022.
  • Ruth Mayr, who began working at the university in October 1979 and retired as a food service manager in May 1992, died on June 27, 2022.

July 2022

1988 by Professor Calvin Ledekop.

1988 by Professor Calvin Ledekop.

  • Professor Calvin Redekop, who joined Conrad Grebel in August 1979 and retired in July 1990, died on July 20, 2022.
  • Joyce Wendland, who joined the University in May 1975 and retired in March 1996, died on July 28, 2022.

August 2022

  • David Brock, who began working for Waterloo in July 1967 and retired as a graphics equipment coordinator/scanner in October 2004, died on August 2, 2022.
  • Kaethe Wiebe, who began working at the university in May 1978 and retired in April 1992, died on August 3, 2022.
  • Virginia Puim, who began working at the university in September 1969 and retired as a food service assistant in March 1999, died on August 14, 2022.
  • Duncan M Murie, who joined Waterloo in August 1991 and retired as a Gift Processing Assistant at ODAA – Support Services and Systems, died on August 17, 2022.
  • Marjorie Bruce, who began her career at Waterloo in April 1980 and retired in November 1990, died on August 22, 2022.
  • Lynne M Wight began at Waterloo in April 1994, retired as Graduate Office Administrator in March 2019, and died on August 31, 2022.
  • Rene Mayorga joined the University in January 1986 and retired as a Systems Design Engineering Research Professor in November 2013 (though he left his direct job at Waterloo in November 1998), he died on August 31, 2022.

September 2022

  • Helen Boutilier, who joined the college in October 1978 and retired as a housekeeper at Village I in January 2002, died on September 20, 2022.
  • Maria Gomes, who began working at Waterloo in October 1992 and retired as Plant Operations Manager in January 2018, died on September 13, 2022.
  • Robert Grant, who joined the University in November 1968 and retired in March 1996, died on September 25, 2022.

October 2022

  • Dr. Scott Lawson, who joined the University in 2000 as an Adjunct Associate Professor in the Department of Mechanical and Mechatronic Engineering, died on October 2, 2022.


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