Cpix: Real-time analytics over out-of-order data streams by incremental sliding-window aggregation

S Bou, H Kitagawa, T Amagasa - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Stream processing is used in various fields. In the field of big data, stream aggregation is a
popular processing technique, but it suffers serious setbacks when the order of events (eg …

L-BiX: incremental sliding-window aggregation over data streams using linear bidirectional aggregating indexes

S Bou, H Kitagawa, T Amagasa - Knowledge and Information Systems, 2020 - Springer
The number of real-time information sources, or so-called streams, has rapidly increased,
leading to a greater demand for complex analyses over streams. Although many stream …

O (1)-Time Complexity for Fixed Sliding-Window Aggregation Over Out-of-Order Data Streams

S Bou, T Amagasa, H Kitagawa - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Sliding-window aggregation is one of the core operations in processing and analyzing data
streams, but it seriously suffers from the unordered events or elements from data streams …

Pr-mvi: Efficient missing value imputation over data streams by distance likelihood

S Bou, T Amagasa, H Kitagawa, SA Shaikh… - … Integration and Web, 2022 - Springer
Predicting missing attribute values in data streams is useful in boosting the accuracies of
analytical results in many applications. Many algorithms (ie, Distance Likelihood …

LSiX: A Scheme for Efficient Multiple Continuous Window Aggregation Over Streams

S Kawakami, S Bou, T Amagasa - … Conference on Big Data Analytics and …, 2024 - Springer
Stream processing engines need to process multiple queries over streams simultaneously,
and continuous window aggregation plays a critical role in various applications as a part of …

Path-based keyword search over XML streams

S Bou, T Amagasa, H Kitagawa - International Journal of Web …, 2015 - emerald.com
Purpose–In purpose of this paper is to propose a novel scheme to process XPath-based
keyword search over Extensible Markup Language (XML) streams, where one can specify …

Finformer: Fast Incremental and General Time Series Data Prediction

S Bou, T Amagasa, H Kitagawa - IEICE TRANSACTIONS on …, 2024 - search.ieice.org
Forecasting time-series data is useful in many fields, such as stock price predicting system,
autonomous driving system, weather forecast, etc. Many existing forecasting models tend to …

[PDF][PDF] CBiX: Incremental sliding-window aggregation for real-time analytics over out-of-order data streams

S BOU, H KITAGAWA, T AMAGASA - DEIM Forum, F7-5, 2018 - researchmap.jp
Stream processing has been extensively applied in wide varieties of fields. In the meantime,
stream aggregating is a popular processing technique of big data. However, it suffers from …

PR-MVI: Efficient Missing Value Imputation over Data Streams by Distance Likelihood

SA Shaikh, A Matono - … , iiWAS 2022, Virtual Event, November 28 …, 2022 - books.google.com
Predicting missing attribute values in data streams is useful in boosting the accuracies of
analytical results in many applications. Many algorithms (ie, Distance Likelihood …

[PDF][PDF] A Study on Keyword Search over Structured and Semi-structured Data Streams

B Savong - 2017 - tsukuba.repo.nii.ac.jp
With the rapid growth of real-time information from various sources, continuous query
processing over data streams has become increasingly important. To extract information …