Elpis: Graph-based similarity search for scalable data science
I Azizi, K Echihabi, T Palpanas - Proceedings of the VLDB Endowment, 2023 - dl.acm.org
The recent popularity of learned embeddings has fueled the growth of massive collections of
high-dimensional (high-d) vectors that model complex data. Finding similar vectors in these …
high-dimensional (high-d) vectors that model complex data. Finding similar vectors in these …
Evolution of a Data Series Index: The iSAX Family of Data Series Indexes: iSAX, iSAX2. 0, iSAX2+, ADS, ADS+, ADS-Full, ParIS, ParIS+, MESSI, DPiSAX, ULISSE …
T Palpanas - … and Personalization: 13th International Workshop, ISIP …, 2020 - Springer
There is an increasingly pressing need, by several applications in diverse domains, for
developing techniques able to index and mine very large collections of sequences, or data …
developing techniques able to index and mine very large collections of sequences, or data …
SING: Sequence indexing using GPUs
Data series similarity search is a core operation for several data series analysis applications
across many domains. This has attracted lots of interest that led to the development of …
across many domains. This has attracted lots of interest that led to the development of …
Visual analysis of air pollution spatio-temporal patterns
J Li, C Bi - The Visual Computer, 2023 - Springer
Advances in air monitoring methods have made it possible to analyze large-scale air
pollution phenomena. Mining potential air pollution information from large-scale air pollution …
pollution phenomena. Mining potential air pollution information from large-scale air pollution …
DumpyOS: A data-adaptive multi-ary index for scalable data series similarity search
Data series indexes are necessary for managing and analyzing the increasing amounts of
data series collections that are nowadays available. These indexes support both exact and …
data series collections that are nowadays available. These indexes support both exact and …
Dumpy: A compact and adaptive index for large data series collections
Data series indexes are necessary for managing and analyzing the increasing amounts of
data series collections that are nowadays available. These indexes support both exact and …
data series collections that are nowadays available. These indexes support both exact and …
Odyssey: A journey in the land of distributed data series similarity search
M Chatzakis, P Fatourou, E Kosmas… - arXiv preprint arXiv …, 2023 - arxiv.org
This paper presents Odyssey, a novel distributed data-series processing framework that
efficiently addresses the critical challenges of exhibiting good speedup and ensuring high …
efficiently addresses the critical challenges of exhibiting good speedup and ensuring high …
Deep learning embeddings for data series similarity search
Q Wang, T Palpanas - Proceedings of the 27th ACM SIGKDD …, 2021 - dl.acm.org
A key operation for the (increasingly large) data series collection analysis is similarity
search. According to recent studies, SAX-based indexes offer state-of-the-art performance …
search. According to recent studies, SAX-based indexes offer state-of-the-art performance …
Fast data series indexing for in-memory data
Data series similarity search is a core operation for several data series analysis applications
across many different domains. However, the state-of-the-art techniques fail to deliver the …
across many different domains. However, the state-of-the-art techniques fail to deliver the …
Data series progressive similarity search with probabilistic quality guarantees
Existing systems dealing with the increasing volume of data series cannot guarantee
interactive response times, even for fundamental tasks such as similarity search. Therefore …
interactive response times, even for fundamental tasks such as similarity search. Therefore …