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Application-level caches are widely adopted by web applications to minimize the response time of user requests as well as to reduce the burden on the system backend, such as the database servers. In the state of practice, developers have to…

Databases · Computer Science 2023-11-07 Yunhong Ji , Xuan Zhou , Yongluan Zhou , Ke Wang

Strings are ubiquitous in code. Not all strings are created equal, some contain structure that makes them incompatible with other strings. CSS units are an obvious example. Worse, type checkers cannot see this structure: this is the latent…

Programming Languages · Computer Science 2019-04-26 David Kelly , Mark Marron , David Clark , Earl T. Barr

We propose a new technique to infer the structure and extract the tokens of data from the semi-structured web sources which are generated using a consistent template or layout with some implicit regularities. The attributes are extracted…

Information Retrieval · Computer Science 2009-08-06 Z. Akbar , L. T. Handoko

To exchange complex data structures in distributed systems, documents written in context-free languages are exchanged among communicating parties. Unparsing these documents correctly is as important as parsing them correctly because errors…

Software Engineering · Computer Science 2016-11-17 Lars Hermerschmidt , Stephan Kugelmann , Bernhard Rumpe

In today's world the art of sending & displaying the hidden information especially in public places, has received more attention and faced many challenges. Therefore, different methods have been proposed so far for hiding information in…

Cryptography and Security · Computer Science 2009-12-14 Shashikala Channalli , Ajay Jadhav

Information leakage to a guessing adversary in index coding is studied, where some messages in the system are sensitive and others are not. The non-sensitive messages can be used by the server like secret keys to mitigate leakage of the…

Information Theory · Computer Science 2022-05-24 Yucheng Liu , Lawrence Ong , Phee Lep Yeoh , Parastoo Sadeghi , Joerg Kliewer , Sarah Johnson

Phishing websites distribute unsolicited content and are frequently used to commit email and internet fraud; detecting them before any user information is submitted is critical. Several efforts have been made to detect these phishing…

Cryptography and Security · Computer Science 2023-09-06 Chidimma Opara , Yingke Chen , Bo. wei

Tables are a common means to display data in human-friendly formats. Many authors have worked on proposals to extract those data back since this has many interesting applications. In this article, we summarise and compare many of the…

Information Retrieval · Computer Science 2019-11-05 Juan C. Roldán , Patricia Jiménez , Rafael Corchuelo

Steganography is an information hiding application which aims to hide secret data imperceptibly into a commonly used media. Unfortunately, the theoretical hiding asymptotical capacity of steganographic systems is not attained by algorithms…

Information Theory · Computer Science 2010-07-06 H. Rifà-Pous , J. Rifà , L. Ronquillo

In traditional reversible data hiding (RDH) methods, researchers pay attention to enlarge the embedding capacity (EC) and to reduce the embedding distortion (ED). Recently, a completely novel RDH algorithm was developed to embed secret data…

Multimedia · Computer Science 2019-08-19 Erdun Gao , Zhibin Pan , Xinyi Gao

Web is title admittance today mainly relies on search engines. A large amount of data is hidden in the databases behind the search interfaces referred to as Hidden web, which needs to be indexed so in order to serve user query. In this…

Information Retrieval · Computer Science 2013-11-21 Sudhakar Ranjan , Komal K. Bhatia

In this paper, we propose a novel method for extracting information from HTML tables with similar contents but with a different structure. We aim to integrate multiple HTML tables into a single table for retrieval of information containing…

Information Retrieval · Computer Science 2024-10-01 Kazuki Kawamura , Akihiro Yamamoto

Network embedding, which aims to learn low-dimensional representations of nodes, has been used for various graph related tasks including visualization, link prediction and node classification. Most existing embedding methods rely solely on…

Social and Information Networks · Computer Science 2019-08-22 Palash Goyal , Homa Hosseinmardi , Emilio Ferrara , Aram Galstyan

HTML5 applications normally have a large set of CSS (Cascading Style Sheets) rules for data display. Each CSS rule consists of a node selector (given in an XPath-like query language) and a declaration block (assigning values to selected…

Logic in Computer Science · Computer Science 2015-08-19 Matthew Hague , Anthony Widjaja Lin , Luke Ong

Weakly-supervised anomaly detection aims at learning an anomaly detector from a limited amount of labeled data and abundant unlabeled data. Recent works build deep neural networks for anomaly detection by discriminatively mapping the normal…

Machine Learning · Computer Science 2021-08-29 Yingjie Zhou , Xucheng Song , Yanru Zhang , Fanxing Liu , Ce Zhu , Lingqiao Liu

Internet as become the way of life in the fast growing digital life.Even with the increase in the internet speed, higher latency time is still a challenge. To reduce latency, caching and pre fetching techniques can be used. However, caching…

Information Retrieval · Computer Science 2017-06-29 Jyotsna Parmar , Jyoti

In the Internet age, cyber-attacks occur frequently with complex types. Traffic generated by access activities can record website status and user request information, which brings a great opportunity for network attack detection. Among…

Cryptography and Security · Computer Science 2018-11-01 Yuqi Yu , Hanbing Yan , Hongchao Guan , Hao Zhou

Steganography is the art and science of writing hidden messages in such a way that no one apart from the sender and the receiver would realize that a secret communicating is taking place. Unlike cryptography which only scrambles secret data…

Cryptography and Security · Computer Science 2012-12-13 Youssef Bassil

As a technology that can prevent the information from being disclosed, the reversible data hiding in encrypted images (RDHEI) acts as an important role in privacy protection and information security. To make use of the image redundancy and…

Multimedia · Computer Science 2021-09-27 Youqing Wu , Wenjing Ma , Yinyin Peng , Ruiling Zhang , Zhaoxia Yin

While dense retrieval has been shown effective and efficient across tasks and languages, it remains difficult to create effective fully zero-shot dense retrieval systems when no relevance label is available. In this paper, we recognize the…

Information Retrieval · Computer Science 2022-12-21 Luyu Gao , Xueguang Ma , Jimmy Lin , Jamie Callan