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- research-articleAugust 2020
DC-SMIL: a multiple instance learning solution via spherical separation for automated detection of displastyc nevi
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 4, Pages 1–9https://doi.org/10.1145/3410566.3410611Among skin cancers, melanoma is the most aggressive and most lethal form. Despite these terrible premises, an excision treatment carried out thanks to an early diagnosis is almost always decisive, guaranteeing the patient's survival. The early detection ...
- research-articleAugust 2020
Towards a universal approach for semantic interpretation of spreadsheets data
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 22, Pages 1–9https://doi.org/10.1145/3410566.3410609Spreadsheets are a popular way to represent and structure data and knowledge; in this connection semantic interpretation of spreadsheets data has become an active area of scientific research. In this paper, we propose a new approach for semantic ...
- research-articleAugust 2020
Benchmarking a distributed database design that supports patient cohort identification
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 18, Pages 1–8https://doi.org/10.1145/3410566.3410608In this article we present the implementation and benchmarking of a medical information system on top of a distributed relational database system. We enhanced a distributed database system with the implementation of a clustering (based on similarity of ...
- research-articleAugust 2020
Implementation of dynamic page generation for stream data by SuperSQL
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 16, Pages 1–6https://doi.org/10.1145/3410566.3410607SuperSQL is an extension of SQL that allows you to structure the output of relational databases by writing your own queries and to express various layouts. However, this method is not suitable for data with high update frequency, such as stream data, ...
- research-articleAugust 2020
Speculative query execution in RDBMS based on analysis of query stream multigraphs
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 23, Pages 1–10https://doi.org/10.1145/3410566.3410604The paper presents an insight into a speculative execution model of queries in RDBMS based on the analysis of the stream of current queries appearing at the database input. A specific multigraph representation of input query stream is created and used ...
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- research-articleAugust 2020
DRLindex: deep reinforcement learning index advisor for a cluster database
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 11, Pages 1–8https://doi.org/10.1145/3410566.3410603Cloud database providers provision different architectures to guarantee high availability. One of these architectures is a cluster database that consists of several database engine nodes, where data is replicated among the nodes. Although the cloud ...
- research-articleAugust 2020
A novel spatio-temporal interpolation algorithm and its application to the COVID-19 pandemic
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 9, Pages 1–10https://doi.org/10.1145/3410566.3410602This paper describes several interpolation methods for predicting the number of cases of the COVID-19 pandemic. The interpolation methods include some well-known temporal interpolation algorithms including Lagrange interpolation, cubic spline ...
- research-articleAugust 2020
Local connectivity in centroid clustering
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 15, Pages 1–9https://doi.org/10.1145/3410566.3410601Clustering is a fundamental task in unsupervised learning, one that targets to group a dataset into clusters of similar objects. There has been recent interest in embedding normative considerations around fairness within clustering formulations. In this ...
- research-articleAugust 2020
A pattern-based approach for an early detection of popular Twitter accounts
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 10, Pages 1–9https://doi.org/10.1145/3410566.3410600Social networks (SN) are omnipresent in our lives today. Not all users have the same behaviour on these networks. If some have a low activity, rarely posting messages and following few users, some others at the other extreme have a significant activity, ...
- research-articleAugust 2020
Data science for healthcare predictive analytics
- Carson K. Leung,
- Daryl L. X. Fung,
- Saad B. Mushtaq,
- Owen T. Leduchowski,
- Robert Luc Bouchard,
- Hui Jin,
- Alfredo Cuzzocrea,
- Christine Y. Zhang
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 8, Pages 1–10https://doi.org/10.1145/3410566.3410598Big data are everywhere nowadays. Many businesses possess big data for their success because big data are very useful and are considered as new oil. For instance, big data are very important in predicting the trends on what will happen in the future. ...
- research-articleAugust 2020
Emotion cognizance improves health fake news identification
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 12, Pages 1–10https://doi.org/10.1145/3410566.3410595Identifying fake news is increasingly being recognized as an important computational task with high potential social impact. Misinformation is routinely injected into almost every domain of news including politics, health, science, business, etc., among ...
- research-articleAugust 2020
Avoiding blocking by scheduling transactions using quantum annealing
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 21, Pages 1–10https://doi.org/10.1145/3410566.3410593Quantum annealers are a special kind of quantum computers for solving optimization problems. In this paper, we investigate the benefits of quantum annealers in the field of transaction synchronization. In particular, we show how transactions using the 2-...
- research-articleAugust 2020
Consistent query answering with prioritized active integrity constraints
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 3, Pages 1–10https://doi.org/10.1145/3410566.3410592Consistent query answering is a principled approach for querying inconsistent databases. It relies on two basic notions: the notion of a repair, that is, a consistent database that "minimally" differs from the original one, and the notion of a ...
- research-articleAugust 2020
Empowering big data analytics with polystore and strongly typed functional queries
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 13, Pages 1–10https://doi.org/10.1145/3410566.3410591Polystores are of primary importance to tackle the diversity and the volume of Big Data, as they propose to store data according to specific use cases. Nevertheless, analytics frameworks often lack a uniform interface allowing to fully access and take ...
- research-articleAugust 2020
Lifting preferences to the semantic web: PreferenceSPARQL
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 19, Pages 1–8https://doi.org/10.1145/3410566.3410590PreferenceSQL is an SQL extension for standard relational databases supporting soft constraints and is used to find relevant data intuitively. Meanwhile, the Semantic Web has interoperability advantages and helps to retrieve information with machine-...
- research-articleAugust 2020
Organizing and compressing collections of files using differences
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 14, Pages 1–10https://doi.org/10.1145/3410566.3410584A collection of related files often exhibits strong similarities among its constituents. These similarities, and the dual differences, may be used for both compressing the collection and for organizing it in a manner that reveals human-readable ...
- research-articleAugust 2020
Hierarchical embedding for DAG reachability queries
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 24, Pages 1–10https://doi.org/10.1145/3410566.3410583Current hierarchical embeddings are inaccurate in both reconstructing the original taxonomy and answering reachability queries over Direct Acyclic Graph. In this paper, we propose a new hierarchical embedding, the Euclidean Embedding (EE), that is ...
- research-articleAugust 2020
HYRAQ: optimizing large-scale analytical queries through dynamic hypergraphs
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 17, Pages 1–10https://doi.org/10.1145/3410566.3410582In critical situations, making quick and precise decisions requires a rapid execution of a large amount of concurrent navigational and exploratory queries over collected data stored in repositories such as data warehouses. To satisfy the decision-maker's ...
- research-articleAugust 2020
Spatio-temporal event discovery in the big social data era
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & ApplicationsAugust 2020, Article No.: 7, Pages 1–6https://doi.org/10.1145/3410566.3410568Social networks have been transforming the way people express opinions, post and react to events, and share ideas. Over the last decade, several studies on event detection from social media have been proposed, with the aim of extracting specific types ...
- proceedingAugust 2020
IDEAS '20: Proceedings of the 24th Symposium on International Database Engineering & Applications
This meeting highlights the current preoccupation with AI, big data, block chain, data analytics, machine learning, the issue of a pandemic itself and issues with the web itself.