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- surveyFebruary 2025
Advances in Set Function Learning: A Survey of Techniques and Applications
ACM Computing Surveys (CSUR), Volume 57, Issue 7Article No.: 179, Pages 1–37https://doi.org/10.1145/3715905Set function learning has emerged as a crucial area in machine learning, addressing the challenge of modeling functions that take sets as inputs. Unlike traditional machine learning that involves fixed-size input vectors where the order of features ...
- research-articleAugust 2024
Target Span Detection for Implicit Harmful Content
ICTIR '24: Proceedings of the 2024 ACM SIGIR International Conference on Theory of Information RetrievalPages 117–122https://doi.org/10.1145/3664190.3672525Identifying the targets of hate speech is a crucial step in grasping the nature of such speech and, ultimately, improving the detection of offensive posts on online forums. Much harmful content on online platforms uses implicit language -- especially ...
- ArticleJanuary 2025
On the Value of an Offsite Inventory Storage Location Under Catastrophic Risk
AbstractThis paper examines stocking decisions in the presence of catastrophic disruptions, which are different in nature from operational risks as their likelihood is low but their consequences could be devastating. Motivated by the rising frequency of ...
- research-articleMarch 2024
AutoPooling: Automated Pooling Search for Multi-valued Features in Recommendations
WSDM '24: Proceedings of the 17th ACM International Conference on Web Search and Data MiningPages 797–805https://doi.org/10.1145/3616855.3635808Large-scale recommender systems usually contain hundreds of multi-valued feature fields, which have different number of values in each field. For easier computation in traditional fixed-shape neural networks, pooling operators are widely used to compress ...
- research-articleNovember 2023
On the Distributed Energy Storage Investment and Operations
Manufacturing & Service Operations Management (INFORMS-MSOM), Volume 25, Issue 6Pages 2277–2297https://doi.org/10.1287/msom.2020.0652Problem definition: Energy storage has become an indispensable part of power distribution systems, necessitating prudent investment decisions. We analyze an energy storage facility location problem and compare the benefits of centralized storage (adjacent ...
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- research-articleOctober 2023
How Discriminative Are Your Qrels? How To Study the Statistical Significance of Document Adjudication Methods
CIKM '23: Proceedings of the 32nd ACM International Conference on Information and Knowledge ManagementPages 1960–1970https://doi.org/10.1145/3583780.3614916Creating test collections for offline retrieval evaluation requires human effort to judge documents' relevance. This expensive activity motivated much work in developing methods for constructing benchmarks with fewer assessment costs. In this respect, ...
- research-articleAugust 2023
On the Ordering of Pooled Web Pages, Gold Assessments, and Bronze Assessments
ACM Transactions on Information Systems (TOIS), Volume 42, Issue 1Article No.: 23, Pages 1–31https://doi.org/10.1145/3600227The present study leverages a recent opportunity we had to create a new English web search test collection for the NTCIR-16 We Want Web (WWW-4) task, which concluded in June 2022. More specifically, through the test collection construction effort, we ...
- extended-abstractJuly 2023
Robust Auction Design with Support Information
EC '23: Proceedings of the 24th ACM Conference on Economics and ComputationPage 113https://doi.org/10.1145/3580507.3597711A seller wants to sell an indivisible item to n buyers. The buyer valuations are drawn i.i.d. from a distribution, but the seller does not know this distribution; the seller only knows the support [a, b]. To be robust against the lack of knowledge of ...
- research-articleMay 2023
Pooling Agents for Customer-Intensive Services
To Pool or Not to Pool? Analyzing Customer-Intensive Services with Strategic Agents
In customer-intensive services where service quality increases with service time, service providers commonly pool their agents and give performance bonuses that reward ...
In customer-intensive services where service quality increases with service time, service providers commonly pool their agents and give performance bonuses that reward agents for achieving greater customer satisfaction and serving more customers. ...
- research-articleJanuary 2023
A novel neural network-based 3D animation model classification method
International Journal of Computer Applications in Technology (IJCAT), Volume 71, Issue 3Pages 222–228https://doi.org/10.1504/ijcat.2023.132096The rapid development of information technology has also brought new vitality to art design. The 3D animation model making is a new multimedia technology based on computer technology. In order to efficiently organise and utilise the 3D model resources, ...
- research-articleOctober 2022
Appointment Scheduling for Multiple Servers
Appointment schedules, in essence, balance supply and demand and are often employed in settings where resources are scarce and thus a high utilization is realized (e.g., healthcare). Whereas most of the existing literature focuses on the single-server ...
- articleJune 2022
The most common queueing theory questions asked by computer systems practitioners
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 49, Issue 4Pages 3–7https://doi.org/10.1145/3543146.3543148This document examines five performance questions which are repeatedly asked by practitioners in industry: (i) My system utilization is very low, so why are job delays so high? (ii) What should I do to lower job delays? (iii) How can I favor short jobs ...
- research-articleMay 2022
Does Transportation Mean Transplantation? Impact of New Airline Routes on Sharing of Cadaveric Kidneys
Every year, nearly 5,000 patients die while waiting for kidney transplants, and yet an estimated 3,500 procured kidneys are discarded. Such a polarized coexistence of dire scarcity and massive wastefulness has been mainly driven by insufficient pooling of ...
- research-articleJanuary 2022
Relevance Assessments for Web Search Evaluation: Should We Randomise or Prioritise the Pooled Documents?
ACM Transactions on Information Systems (TOIS), Volume 40, Issue 4Article No.: 76, Pages 1–35https://doi.org/10.1145/3494833In the context of depth-k pooling for constructing web search test collections, we compare two approaches to ordering pooled documents for relevance assessors: The prioritisation strategy (PRI) used widely at NTCIR, and the simple randomisation strategy (...
- research-articleDecember 2021
Building Cultural Heritage Reference Collections from Social Media through Pooling Strategies: The Case of 2020’s Tensions Over Race and Heritage
Journal on Computing and Cultural Heritage (JOCCH), Volume 15, Issue 1Article No.: 9, Pages 1–13https://doi.org/10.1145/3477604Social networks constitute a valuable source for documenting heritage constitution processes or obtaining a real-time snapshot of a cultural heritage research topic. Many heritage researchers use social networks as a social thermometer to study these ...
- short-paperJuly 2021
WWW3E8: 259,000 Relevance Labels for Studying the Effect of Document Presentation Order for Relevance Assessors
SIGIR '21: Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information RetrievalPages 2376–2382https://doi.org/10.1145/3404835.3463236In IR evaluation based on depth-k pooling, there are several strategies to order the pooled documents for relevance assessors. Among them, the simplest approach is to completely randomise the order "so assessors cannot tell if a document was highly ...
- research-articleApril 2021
The wisdom of the rankers: a cost-effective method for building pooled test collections without participant systems
SAC '21: Proceedings of the 36th Annual ACM Symposium on Applied ComputingPages 672–680https://doi.org/10.1145/3412841.3441947Information Retrieval is an area where evaluation is crucial to validate newly proposed models. As the first step in the evaluation of models, researchers carry out offline experiments on specific datasets. While the field started around ad-hoc search, ...
- short-paperJuly 2020
On the Reliability of Test Collections for Evaluating Systems of Different Types
SIGIR '20: Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information RetrievalPages 2101–2104https://doi.org/10.1145/3397271.3401317As deep learning based models are increasingly being used for information retrieval, a major challenge is to ensure the availability of test collections for measuring their quality. Test collections are usually generated based on pooling results of ...
- research-articleMay 2020
Deep Learning (Partly) Demystified
ISMSI '20: Proceedings of the 2020 4th International Conference on Intelligent Systems, Metaheuristics & Swarm IntelligencePages 30–35https://doi.org/10.1145/3396474.3396481Successes of deep learning are partly due to appropriate selection of activation function, pooling functions, etc. Most of these choices have been made based on empirical comparison and heuristic ideas. In this paper, we show that many of these choices -...
- research-articleJanuary 2020
White blood cell detection and classification using Euler’s Jenks optimized multinomial logistic neural networks
- M.P. Karthikeyan,
- R. Venkatesan,
- V. Vijayakumar,
- Logesh Ravi,
- V. Subramaniyaswamy,
- Vijayakumar Varadarajan,
- Piet Kommers,
- Vincenzo Piuri,
- V. Subramaniyaswamy
Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology (JIFS), Volume 39, Issue 6Pages 8333–8343https://doi.org/10.3233/JIFS-189152Due to the wide acceptance of White Blood Cells (WBCs) in disease diagnosis, detection and classification of WBC are hot topic. Existing methodologies have some drawbacks such as significant degree of error, higher accuracy, time bound and higher ...