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Bloom filter is a compact memory-efficient probabilistic data structure supporting membership testing, i.e., to check whether an element is in a given set. However, as Bloom filter maps each element with uniformly random hash functions, few…

数据库 · 计算机科学 2021-06-15 Rongbiao Xie , Meng Li , Zheyu Miao , Rong Gu , He Huang , Haipeng Dai , Guihai Chen

Set synchronization is a fundamental task in distributed applications and implementations. Existing methods that synchronize simple sets are mainly based on compact data structures such as Bloom filter and its variants. However, these…

数据结构与算法 · 计算机科学 2020-03-10 Shangsen Li , Lailong Luo , Deke Guo

We settle the question of tight thresholds for offline cuckoo hashing. The problem can be stated as follows: we have n keys to be hashed into m buckets each capable of holding a single key. Each key has k >= 3 (distinct) associated buckets…

数据结构与算法 · 计算机科学 2010-12-22 Martin Dietzfelbinger , Andreas Goerdt , Michael Mitzenmacher , Andrea Montanari , Rasmus Pagh , Michael Rink

Most optimization problems in real life applications are often highly nonlinear. Local optimization algorithms do not give the desired performance. So, only global optimization algorithms should be used to obtain optimal solutions. This…

神经与进化计算 · 计算机科学 2012-11-28 Mohammed El-Dosuky , Ahmed EL-Bassiouny , Taher Hamza , Magdy Rashad

Bloom filters are probabilistic data structures commonly used for approximate membership problems in many areas of Computer Science (networking, distributed systems, databases, etc.). With the increase in data size and distribution of data,…

数据库 · 计算机科学 2016-09-22 Adina Crainiceanu , Daniel Lemire

A filter is a widely used data structure for storing an approximation of a given set $S$ of elements from some universe $U$ (a countable set).It represents a superset $S'\supseteq S$ that is ''close to $S$'' in the sense that for $x\not\in…

数据结构与算法 · 计算机科学 2024-06-18 Ioana O. Bercea , Jakob Bæk Tejs Houen , Rasmus Pagh

Bloom Filter is a probabilistic data structure for the membership query, and it has been intensely experimented in various fields to reduce memory consumption and enhance a system's performance. Bloom Filter is classified into two key…

数据结构与算法 · 计算机科学 2021-06-09 Sabuzima Nayak , Ripon Patgiri

Cuckoo search (CS) is a relatively new algorithm, developed by Yang and Deb in 2009, and CS is efficient in solving global optimization problems. In this paper, we review the fundamental ideas of cuckoo search and the latest developments as…

最优化与控制 · 数学 2014-08-25 Xin-She Yang , Suash Deb

Data loading has been one of the most common performance bottlenecks for many big data applications, especially when they are running on inefficient human-readable formats, such as JSON or CSV. Parsing, validating, integrity checking and…

数据库 · 计算机科学 2021-02-24 Cong Ding , Dixin Tang , Xi Liang , Aaron J. Elmore , Sanjay Krishnan

Many optimization problems in science and engineering are highly nonlinear, and thus require sophisticated optimization techniques to solve. Traditional techniques such as gradient-based algorithms are mostly local search methods, and often…

神经与进化计算 · 计算机科学 2019-03-28 Xin-She Yang , Suash Deb , Sudhanshu K Mishra

There is a plethora of data structures, algorithms, and frameworks dealing with major data-stream problems like estimating the frequency of items, answering set membership, association and multiplicity queries, and several other statistics…

数据结构与算法 · 计算机科学 2021-06-24 Anes Abdennebi , Kamer Kaya

We propose a framework by which websites can coordinate to detect credential stuffing on individual user accounts. Our detection algorithm teases apart normal login behavior (involving password reuse, entering correct passwords into the…

密码学与安全 · 计算机科学 2021-03-05 Ke Coby Wang , Michael K. Reiter

We suggest a method for holding a dictionary data structure, which maps keys to values, in the spirit of Bloom Filters. The space requirements of the dictionary we suggest are much smaller than those of a hashtable. We allow storing n keys,…

数据结构与算法 · 计算机科学 2008-04-14 Ely Porat

A new hybridization of the Cuckoo Search (CS) is developed and applied to optimize multi-cell solar systems; namely multi-junction and split spectrum cells. The new approach consists of combining the CS with the Nelder-Mead method. More…

神经与进化计算 · 计算机科学 2016-08-31 Raka Jovanovic , Sabre Kais , Fahhad H. Alharbi

Dynamic Bloom filters (DBF) were proposed by Guo et. al. in 2010 to tackle the situation where the size of the set to be stored compactly is not known in advance or can change during the course of the application. We propose a novel…

数据结构与算法 · 计算机科学 2019-01-23 Sidharth Negi , Ameya Dubey , Amitabha Bagchi , Manish Yadav , Nishant Yadav , Jeetu Raj

Fuzzy co-clustering can be improved if we handle two main problem first is outlier and second curse of dimensionality .outlier problem can be reduce by implementing page replacement algorithm like FIFO, LRU or priority algorithm in a set of…

信息检索 · 计算机科学 2014-07-28 Monika Rani , Anubha Parashar , Jyoti Chaturvedi , Anu Malviya

Web mining is the nontrivial process to discover valid, novel, potentially useful knowledge from web data using the data mining techniques or methods. It may give information that is useful for improving the services offered by web portals…

信息检索 · 计算机科学 2011-10-03 R. Rathipriya , K. Thangavel , J. Bagyamani

Bloom Filters are a space-efficient data structure used for the testing of membership in a set that errs only in the False Positive direction. However, the standard analysis that measures this False Positive rate provides a form of worst…

数据结构与算法 · 计算机科学 2024-02-06 Kahlil Dozier , Loqman Salamatian , Dan Rubenstein

Fast and high quality document clustering is an important task in organizing information, search engine results obtaining from user query, enhancing web crawling and information retrieval. With the large amount of data available and with a…

信息检索 · 计算机科学 2010-03-11 Alok Ranjan , Harish Verma , Eatesh Kandpal , Joydip Dhar

Filters are the basic and most important blocks of most signal processing applications. In many applications, a group of parallel filters are used as filter banks. Parallel filter banks naturally require much more computations. Especially…

信号处理 · 电气工程与系统科学 2019-07-12 M. Tunç Arslan , Onur Yorulmaz , Erdinç L. Atılgan