13 research outputs found
A privacy-preserving technique to identify the useful content of documents owned by multiple institutes: Supplemental File
ICADL2023 supplemental fil
電子化診療記録の計算機処理における特徴と課題に関する研究 : e-phenotyping技術確立に向けて
学位の種別: 課程博士審査委員会委員 : (主査)東京大学教授 小山 博史, 東京大学教授 赤林 朗, 東京大学准教授 槇野 陽介, 東京大学教授 鄭 雄一, 東京大学特任准教授 脇 裕典University of Tokyo(東京大学
An experimental framework for designing document structure for users' decision making -- An empirical study of recipes
Textual documents need to be of good quality to ensure effective asynchronous
communication in remote areas, especially during the COVID-19 pandemic.
However, defining a preferred document structure (content and arrangement) for
improving lay readers' decision-making is challenging. First, the types of
useful content for various readers cannot be determined simply by gathering
expert knowledge. Second, methodologies to evaluate the document's usefulness
from the user's perspective have not been established. This study proposed the
experimental framework to identify useful contents of documents by aggregating
lay readers' insights. This study used 200 online recipes as research subjects
and recruited 1,340 amateur cooks as lay readers. The proposed framework
identified six useful contents of recipes. Multi-level modeling then showed
that among the six identified contents, suitable ingredients or notes arranged
with a subheading at the end of each cooking step significantly increased
recipes' usefulness. Our framework contributes to the communication design via
documents
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One-second Boosting: A Simple and Cost-effective Intervention that Promotes the Optimal Allocation of Cognitive Resources
Making rational judgments is not always easy. Given that aggregation of the distributed labor force through Internet has become common, a simple and cost-effective solution is needed to improve worker performance. We tested the hypothesis that enforcing a certain decision time boosts job performance by not allowing workers to provide answers within a certain short time after presenting the task. We used the binary judgment tasks, and job performance with various enforced decision times were compared. Two behavioral experiments with physicians (N = 628) demonstrated that job performance was improved by enforcing a one-second decision time; this did not affect the cognitive load of physicians. Furthermore, it was suggested that adding a one-second decision time induced the optimal trade-off between the worker’s performance and cognitive load. Our results show that focusing on resource rationality could lead to simple and cost-effective solutions to real-world problems by boosting workers’ job performance
On the round number bias and wisdom of crowds in different response formats for numerical estimation
The gs3 allele from a large‐grain rice cultivar, Akita 63, increases yield and improves nitrogen‐use efficiency
Abstract The Green Revolution allowed a large amount of nitrogen (N) fertilization to increase crop yield but has led to severe environmental pollution. Therefore, increasing the crop grain yield must be achieved without such considerable input of N fertilization. A large‐grain japonica rice cultivar, Akita 63, significantly increased grain yield and improved N‐use efficiency (NUE) for yield per amount of N absorbed by plants. This study found that the nonsense mutated GS3 gene, the gs3 allele of Akita 63, has a superior yield production with enlarged grain size. The gs3 allele increased the yield with improvements in harvest index and NUE for yields per plant N content by analyzing the near‐isogenic line of rice plants with a large grain (LG‐Notohikari), which was developed by introducing the gs3 allele of Akita 63 into normal‐grain japonica cultivar, Notohikari. Thus, the gs3 allele would be promising for further yield increase without additional large input of N fertilization in non‐gs3‐allele rice varieties