English
Related papers

Related papers: Preprocessing: A Prerequisite for Discovering Patt…

200 papers

Recent advances in content generation technologies (widely known as DeepFakes) along with the online proliferation of manipulated media content render the detection of such manipulations a task of increasing importance. Even though there…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Polychronis Charitidis , Giorgos Kordopatis-Zilos , Symeon Papadopoulos , Ioannis Kompatsiaris

Logs play a critical role in providing essential information for system monitoring and troubleshooting. Recently, with the success of pre-trained language models (PLMs) and large language models (LLMs) in natural language processing (NLP),…

Software Engineering · Computer Science 2025-02-03 Lipeng Ma , Weidong Yang , Sihang Jiang , Ben Fei , Mingjie Zhou , Shuhao Li , Mingyu Zhao , Bo Xu , Yanghua Xiao

Data pruning is the problem of identifying a core subset that is most beneficial to training and discarding the remainder. While pruning strategies are well studied for discriminative models like those used in classification, little…

Machine Learning · Computer Science 2025-03-17 Rania Briq , Jiangtao Wang , Stefan Kesselheim

Computer system log data is commonly used in system monitoring, performance characteristic investigation, workflow modeling and anomaly detection. Log data is inherently unstructured or semi-structured, which makes it harder to understand…

Software Engineering · Computer Science 2022-02-16 Isuru Boyagane , Oshadha Katulanda , Surangika Ranathunga , Srinath Perera

This paper presents a novel pre-processing scheme to improve the prediction of sand fraction from multiple seismic attributes such as seismic impedance, amplitude and frequency using machine learning and information filtering. The available…

Computational Engineering, Finance, and Science · Computer Science 2015-10-06 Soumi Chaki , Aurobinda Routray , William K. Mohanty

Data Mining is the process of extracting useful patterns from the huge amount of database and many data mining techniques are used for mining these patterns. Recently, one of the remarkable facts in higher educational institute is the rapid…

Artificial Intelligence · Computer Science 2014-05-16 Priyanka Saini

Organizations routinely accumulate semi-structured log datasets generated as the output of code; these datasets remain unused and uninterpreted, and occupy wasted space - this phenomenon has been colloquially referred to as "data lake"…

Databases · Computer Science 2018-03-01 Yihan Gao , Silu Huang , Aditya Parameswaran

Information systems generate a large volume of event log data during business operations, much of which consists of low-value and redundant information. When performance predictions are made directly from these logs, the accuracy of the…

Machine Learning · Computer Science 2025-03-12 Jianhong Ye , Siyuan Zhang , Yan Lin

Data profilers play a crucial role in the preprocessing phase of data analysis by identifying quality issues such as missing, extreme, or erroneous values. Traditionally, profilers have relied solely on statistical methods, which lead to…

Databases · Computer Science 2024-04-22 Zezhou Huang , Eugene Wu

Log parsing is a critical step that transforms unstructured log data into structured formats, facilitating subsequent log-based analysis. Traditional syntax-based log parsers are efficient and effective, but they often experience decreased…

Software Engineering · Computer Science 2024-11-19 Zeyang Ma , Dong Jae Kim , Tse-Hsun Chen

Pretraining data of large language models composes multiple domains (e.g., web texts, academic papers, codes), whose mixture proportions crucially impact the competence of outcome models. While existing endeavors rely on heuristics or…

Computation and Language · Computer Science 2025-03-21 Jiasheng Ye , Peiju Liu , Tianxiang Sun , Jun Zhan , Yunhua Zhou , Xipeng Qiu

Medical data often exhibit characteristics that make cluster analysis particularly challenging, such as missing values, outliers, and cluster features like skewness. Typically, such data would need to be preprocessed -- by cleaning outliers…

Methodology · Statistics 2025-12-16 Jason Pillay , Cristina Tortora , Antonio Punzo , Andriette Bekker

The amount of information available on the Web grows at an incredible high rate. Systems and procedures devised to extract these data from Web sources already exist, and different approaches and techniques have been investigated during the…

Artificial Intelligence · Computer Science 2012-02-13 Emilio Ferrara , Robert Baumgartner

Data preparation is a central and time-consuming stage in data analysis workflows. Traditionally, commercial tools have relied on graphical user interfaces (GUIs) to simplify data preparation, allowing users to define transformations…

Databases · Computer Science 2026-05-12 Jingzhe Xu , Rui Wang , Jiannan Wang , Guoliang Li

As we know that the normalization is a pre-processing stage of any type problem statement. Especially normalization takes important role in the field of soft computing, cloud computing etc. for manipulation of data like scale down or scale…

Other Computer Science · Computer Science 2015-03-24 S. Gopal Krishna Patro , Kishore Kumar Sahu

Pretraining datasets for large language models (LLMs) have grown to trillions of tokens composed of large amounts of CommonCrawl (CC) web scrape along with smaller, domain-specific datasets. It is expensive to understand the impact of these…

Machine Learning · Computer Science 2024-06-06 Cody Blakeney , Mansheej Paul , Brett W. Larsen , Sean Owen , Jonathan Frankle

The paper proposes an approach to modeling users of large Web sites based on combining different data sources: access logs and content of the accessed pages are combined with semantic information about the Web pages, the users and the…

Information Retrieval · Computer Science 2011-03-28 Blaz Fortuna , Dunja Mladenic , Marko Grobelnik

With the rapid growth of internet technologies, Web has become a huge repository of information and keeps growing exponentially under no editorial control. However the human capability to read, access and understand Web content remains…

Databases · Computer Science 2011-11-11 C. Ramesh , K. V. Chalapati Rao , A. Govardhan

In big data era, the collected data usually contains rich information and hidden knowledge. Utility-oriented pattern mining and analytics have shown a powerful ability to explore these ubiquitous data, which may be collected from various…

Databases · Computer Science 2019-09-17 Wensheng Gan , Jerry Chun-Wei Lin , Han-Chieh Chao , Shyue-Liang Wang , Philip S. Yu

With the more and more growing demand for semantic Web services over large databases, an efficient evaluation of Datalog queries is arousing a renewed interest among researchers and industry experts. In this scenario, to reduce memory…

Artificial Intelligence · Computer Science 2020-02-19 Alessio Fiorentino , Nicola Leone , Marco Manna , Simona Perri , Jessica Zangari
‹ Prev 1 8 9 10 Next ›