Influence of Solar Activity and Orbital Motion on Terrestrial Atmosphere
Solar magnetic field reversal, wavelet spectral analysis, and proxies for solar activity index are discussed in relation to the joint effects of solar activity and solar orbital motion on the Earth's atmosphere. The study highlights the impact of solar cycles on terrestrial climate dynamics and temp
7 views • 16 slides
Blockchain Computer of Ethereum
Explore the intricate workings of Ethereum's blockchain computer, from the order-execute structure to persistent state storage mechanisms. Learn about account information, smart contracts, Merkle Patricia Trie, and the role of OPCODEs in Ethereum Virtual Machine. Delve into the creation of contract
0 views • 50 slides
Challenges and Innovations in Relational Engine Algorithms
Exploring the complexity of processing graph data in relational query engines, this content delves into the challenges faced, practices adopted in academia, and innovative solutions like LMS-NPRR, trie join, and specialized data structures. It discusses the difficulties in handling acyclic vs. cycli
1 views • 27 slides
Wavelet-based Scaleograms and CNN for Anomaly Detection in Nuclear Reactors
This study utilizes wavelet-based scaleograms and a convolutional neural network (CNN) for anomaly detection in nuclear reactors. By analyzing neutron flux signals from in-core and ex-core sensors, the proposed methodology aims to identify perturbations such as fuel assembly vibrations, synchronized
3 views • 11 slides
Efficient Maintenance of Indexed String Sequences in Compressed Space
The Wavelet Trie, Prefix Operations, and Dynamic Sequences are explored in maintaining an indexed sequence of strings efficiently. Various operations like access, rank, select, and dynamic updates are discussed with the aim of storing strings in minimal space while supporting polylog operations effe
1 views • 20 slides
Efficient Data Structures for Top-k Completion Queries
Explore space-efficient data structures for top-k completion queries, particularly focusing on scored string sets and trie-based solutions. The research compares three solutions: RMQ Trie, Completion Trie, and Score-Decomposed Trie, emphasizing space efficiency and fast access for large sets of scor
1 views • 23 slides
Trie-based Entity Extraction Framework for Dirty Real-World Data
Researchers from Tsinghua University, China, have developed a Trie-based framework for entity extraction in real-world data, addressing challenges such as dirty data and typos in author names and titles. The framework leverages Trie-based algorithms to optimize partition schemes and extract named en
0 views • 56 slides
Trie Data Structure for Efficient Word Search
A comprehensive overview of Trie data structure usage in word search and pattern matching. Learn about different types of Tries, implementation techniques, time complexities, and practical applications. Explore the nuances of searching, insertion, and deletion operations, unraveling the power of Tri
0 views • 29 slides
Wavelets
This content delves into the MODWPT algorithm and its comparison with PMODWPT, Fourier transform, and other methods in heart rate variability analysis. It explores wavelet variance estimators, time-resolution advantages, feature extraction for EMG pattern classification, and more.
0 views • 8 slides
Efficient High-Speed Video Compression Techniques
Dive into the world of high-speed video compression and decompression pipelines, exploring techniques such as JPEG, JPEG-2000, MPEG, and the Discrete Wavelet Transform. Learn about parallelism, dummy FIFOs, and the micro-architecture of 1D and 2D signal processing for optimized video frame transfer
0 views • 21 slides
Understanding Trie Data Structure for Efficient Data Storage
Learn about tries, a tree data structure used to store dynamic sets with keys typically as strings. Explore trie implementation, insertion, and retrieval processes with examples and analysis of time complexity and space efficiency.
0 views • 14 slides
Time-Frequency Analysis with Wavelet Localization Operators
Explore the boundedness, Schatten-von Neumann properties, and compactness of two-wavelet localization operators associated with the Windowed Linear Canonical Transform (WLCT) in this research presented at the Conference on Applied and Industrial Mathematics. References to notable works in the field
0 views • 41 slides
Based on the provided content: "Efficient Data Structures for Top-k String Completion
Explore space-efficient data structures for top-k string completion, comparing RMQ Trie, Completion Trie, and Score-Decomposed Trie. Learn about the challenges of handling large scored string sets efficiently.
0 views • 24 slides
Understanding Tries: A Comprehensive Overview
Explore the concept of trie data structures, also known as digital trees or prefix trees. Learn about their implementation, insertion, search algorithms, and time complexity analysis. Discover how tries efficiently store words from a dictionary and enable fast prefix-based searches.
0 views • 14 slides