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- research-articleSeptember 2024Honorable Mention
Text a Bit Longer or Drive Now? Resuming Driving after Texting in Conditionally Automated Cars
AutomotiveUI '24: Proceedings of the 16th International Conference on Automotive User Interfaces and Interactive Vehicular ApplicationsPages 13–22https://doi.org/10.1145/3640792.3675737In this study, we focus on different strategies drivers use in terms of interleaving between driving and non-driving related tasks (NDRT) while taking back control from automated driving. We conducted two driving simulator experiments to examine how ...
- research-articleJanuary 2024
Teach Students to Study Using Quizzes, Study Behavior Visualization, and Reflection: A Case Study in an Introduction to Programming Course
ICETC '23: Proceedings of the 15th International Conference on Education Technology and ComputersPages 409–415https://doi.org/10.1145/3629296.3629362Due to a long history of using rote memorization and rereading as the primary means to study, students are coming to the University with misconceptions about study strategies that are beneficial for their performance and long-term learning. Techniques ...
- research-articleSeptember 2021
Online Evaluation Methods for the Causal Effect of Recommendations
RecSys '21: Proceedings of the 15th ACM Conference on Recommender SystemsPages 96–101https://doi.org/10.1145/3460231.3474235Evaluating the causal effect of recommendations is an important objective because the causal effect on user interactions can directly leads to an increase in sales and user engagement. To select an optimal recommendation model, it is common to conduct ...
- research-articleAugust 2021
Decomposition and Interleaving for Variance Reduction of Post-click Metrics
ICTIR '21: Proceedings of the 2021 ACM SIGIR International Conference on Theory of Information RetrievalPages 221–230https://doi.org/10.1145/3471158.3472235In this study, we propose an efficient method for comparing the post-click metric (e.g., dwell time and conversion rate) of multiple rankings in online experiments. The proposed method involves (1) the decomposition of the post-click metric measurement ...
- short-paperOctober 2020
What Rankers Can be Statistically Distinguished in Multileaved Comparisons?
CIKM '20: Proceedings of the 29th ACM International Conference on Information & Knowledge ManagementPages 2081–2084https://doi.org/10.1145/3340531.3412143This paper presents findings from an empirical study of multileaved comparisons, an efficient online evaluation methodology, in a commercial Web service. The most important difference from the previous studies is the number of rankers involved in the ...
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- short-paperMarch 2020
Decoding the performance in an out-of-context problem during blocked practice
LAK '20: Proceedings of the Tenth International Conference on Learning Analytics & KnowledgePages 118–123https://doi.org/10.1145/3375462.3375542To master a skill, students generally practice the content of the skill in a blocking manner. While practicing in a blocked fashion, students know the context of the problems and also which strategy is needed to arrive at a solution. However, in real ...
- research-articleJuly 2019
A Spaced, Interleaved Retrieval Practice Tool that is Motivating and Effective
ICER '19: Proceedings of the 2019 ACM Conference on International Computing Education ResearchPages 71–79https://doi.org/10.1145/3291279.3339411Retrieval practice, spacing, and interleaving are known to enhance long-term learning and transfer, but reduce short-term performance. It can be difficult to get both students and instructors to use these techniques since they perceive them as impeding ...
- tutorialJuly 2019
Effective Online Evaluation for Web Search
SIGIR'19: Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information RetrievalPages 1399–1400https://doi.org/10.1145/3331184.3331378We present you a program of a balanced mix between an overview of academic achievements in the field of online evaluation and a portion of unique industrial practical experience shared by both the leading researchers and engineers from global Internet ...
- research-articleJune 2019
An effective algorithm for learning single occurrence regular expressions with interleaving
IDEAS '19: Proceedings of the 23rd International Database Applications & Engineering SymposiumArticle No.: 24, Pages 1–10https://doi.org/10.1145/3331076.3331100The advantages offered by the presence of a schema are numerous. However, many XML documents in practice are not accompanied by a (valid) schema, making schema inference an attractive research problem. The fundamental task in XML schema learning is ...
- short-paperOctober 2018
Challenges of Multileaved Comparison in Practice: Lessons from NTCIR-13 OpenLiveQ Task
CIKM '18: Proceedings of the 27th ACM International Conference on Information and Knowledge ManagementPages 1515–1518https://doi.org/10.1145/3269206.3269318This paper discusses challenges of an online evaluation technique, multileaved comparison, based on the analysis of evaluation results in a community question-answering (cQA) search service. NTCIR-13 OpenLiveQ task offered a shared task in which ...
- research-articleJanuary 2017
Invariant Structures and Dependence Relations
- Ryszard Janicki,
- Jetty Kleijn,
- Maciej Koutny,
- Łukasz Mikulski,
- Jérôme Durand-Lose,
- Jarkko Kari,
- Benedek Nagy
A step trace is an equivalence class of step sequences which can be thought of as different observations of the same underlying concurrent history. Equivalence is determined on basis of a step alphabet that describes the relations between events in terms ...
- research-articleJanuary 2017
Alphabets of Acyclic Invariant Structures
- Ryszard Janicki,
- Jetty Kleijn,
- Maciej Koutny,
- Łukasz Mikulski,
- Gheorghe Păun,
- Grzegorz Rozenberg,
- Arto Salomaa
Fundamenta Informaticae (FUNI), Volume 154, Issue 1-4Pages 207–224https://doi.org/10.3233/FI-2017-1562A step trace is an equivalence class of step sequences, where the equivalence is determined by dependencies between pairs of actions expressed as potential simultaneity and sequentialisability. Step traces can be represented by invariant structures with ...
- research-articleDecember 2016
Joint Optimization of Protograph LDPC Coded Modulation based on EXIT Analysis
ICCIS '16: Proceedings of the 2016 International Conference on Communication and Information SystemsPages 140–145https://doi.org/10.1145/3023924.3023936In this paper, a simple and effective design method for the protograph-based low-density parity-check (P-LDPC) coded modulation is present. The approach jointly optimizes the interleaving and protograph of the P-LDPC coded bit-interleaved coded ...
- short-paperSeptember 2016
Power Analysis for Interleaving Experiments by Means of Offline Evaluation
ICTIR '16: Proceedings of the 2016 ACM International Conference on the Theory of Information RetrievalPages 87–90https://doi.org/10.1145/2970398.2970432Evaluation in information retrieval takes one of two forms: collection-based offline evaluation, and in-situ online evaluation. Collections constructed by the former methodology are reusable, and hence able to test the effectiveness of any experimental ...
- research-articleJuly 2016
Interleaving Jamming in Wi-Fi Networks
WiSec '16: Proceedings of the 9th ACM Conference on Security & Privacy in Wireless and Mobile NetworksPages 31–42https://doi.org/10.1145/2939918.2939935The increasing importance of Wi-Fi in today's wireless communication systems, both as a result of Wi-Fi offloading and its integration in IoT devices, makes it an ideal target for malicious attacks. In this paper, we investigate the structure of the ...
- research-articleDecember 2015
Automatic Vectorization of Interleaved Data Revisited
ACM Transactions on Architecture and Code Optimization (TACO), Volume 12, Issue 4Article No.: 50, Pages 1–25https://doi.org/10.1145/2838735Automatically exploiting short vector instructions sets (SSE, AVX, NEON) is a critically important task for optimizing compilers. Vector instructions typically work best on data that is contiguous in memory, and operating on non-contiguous data requires ...
- research-articleNovember 2015
Multiple-Bit Upset Protection in Microprocessor Memory Arrays Using Vulnerability-Based Parity Optimization and Interleaving
IEEE Transactions on Very Large Scale Integration (VLSI) Systems (ITVL), Volume 23, Issue 11Pages 2447–2460https://doi.org/10.1109/TVLSI.2014.2365032We propose a technology-independent vulnerability-driven parity selection method for protecting modern microprocessor in-core memory arrays against multiple-bit upsets (MBUs). As MBUs constitute over 50% of the upsets in recent technologies, error ...
- research-articleOctober 2015
Generalized Team Draft Interleaving
CIKM '15: Proceedings of the 24th ACM International on Conference on Information and Knowledge ManagementPages 773–782https://doi.org/10.1145/2806416.2806477Interleaving is an online evaluation method that compares two ranking functions by mixing their results and interpreting the users' click feedback. An important property of an interleaving method is its sensitivity, i.e. the ability to obtain reliable ...
- invited-talkAugust 2015
Challenges and Opportunities in Online Evaluation of Search Engines
SIGIR '15: Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information RetrievalPage 1085https://doi.org/10.1145/2766462.2776786Yandex is one of the largest Internet companies in Europe, operating Russia's most popular search engine, generating 58.6\% of all search traffic in Russia (as of April 2015). As all modern search engines, Yandex increasingly relies on online evaluation ...
- research-articleAugust 2015Best Student Paper
Sequential Testing for Early Stopping of Online Experiments
SIGIR '15: Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information RetrievalPages 473–482https://doi.org/10.1145/2766462.2767729Online evaluation methods, such as A/B and interleaving experiments, are widely used for search engine evaluation. Since they rely on noisy implicit user feedback, running each experiment takes a considerable time. Recently, the problem of reducing the ...