Related Experiment Video
Updated: Mar 12, 2026

09:09
Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
Published on: September 27, 2024
953
Analysis of Web Spam for Non-English Content: Toward More Effective Language-Based Classifiers.
Mansour Alsaleh1, Abdulrahman Alarifi1
1King Abdulaziz City for Science and Technology (KACST), Riyadh, Saudi Arabia.
Plos One
|November 18, 2016
Summary
Web spammers use deceptive content to boost search rankings. This study reveals that Google Penguin
Area of Science:
- Computer Science
- Natural Language Processing
- Information Retrieval
Background:
- Web spammers continuously evolve tactics to deceive search engines and achieve higher rankings.
- Existing search engine anti-spam mechanisms, like Google Penguin, face challenges in detecting sophisticated spam.
- The effectiveness of spam detection features can be influenced by the language of the web page.
Purpose of the Study:
- To investigate the impact of page language on web spam detection features.
- To evaluate the efficacy of Google Penguin against Arabic web spam.
- To develop and validate a language-based web spam classifier for improved detection accuracy.
Main Methods:
- Exploration of language-specific spam detection features.
- Case study analysis of Arabic spam pages and comparison with English counterparts.
- Development and evaluation of a manual-labeled corpus of Arabic web pages (benign and spam).
- Creation of a browser plug-in for real-time spam detection and filtering.
Main Results:
- Google Penguin demonstrates limited effectiveness against a significant portion of Arabic spam pages.
- The optimal set of spam detection features varies considerably based on page language.
- Language-based web spam classifiers significantly outperform Google Penguin in capturing spam content.
Conclusions:
- Web spam detection strategies must account for language-specific characteristics.
- A language-aware approach is crucial for developing robust and effective web spam classifiers.
- The developed Arabic web spam classifier and browser plug-in offer practical solutions for users and researchers.
Related Concept Videos
Statistical Analysis: Overview
16.8K
When we take repeated measurements on the same or replicated samples, we will observe inconsistencies in the magnitude. These inconsistencies are called errors. To categorize and characterize these results and their errors, the researcher can use statistical analysis to determine the quality of the measurements and/or suitability of the methods.
One of the most commonly used statistical quantifiers is the mean, which is the ratio between the sum of the numerical values of all results and the...
One of the most commonly used statistical quantifiers is the mean, which is the ratio between the sum of the numerical values of all results and the...
16.8K
Translation
21.4K
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Proteins are...
Translation Produces the Building Blocks of Life
Proteins are...
21.4K
Translation
159.0K
Lesson: Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of...
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of...
159.0K
Quantifying and Rejecting Outliers: The Grubbs Test
4.3K
Sometimes, a data set can have a recorded numerical observation that greatly deviates from the rest of the data. Assuming that the data is normally distributed, a statistical method called the Grubbs test can be used to determine whether the observation is truly an outlier. To perform a two-tailed Grubbs test, first, calculate the absolute difference between the outlier and the mean. Then, calculate the ratio between this difference and the standard deviation of the sample. This...
4.3K
Extraction: Advanced Methods
1.3K
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
1.3K
Enzyme-Linked Immunosorbent Assay
18.1K
In 1971, Peter Perlman and Eva Engvall developed an Enzyme-linked immunosorbent assay (ELISA or EIA). ELISA differs from western blot in that the assays are conducted in microtiter plates or in vivo rather than on an absorbent membrane.
There are many different types of ELISAs, but they all involve an antibody molecule whose constant region binds an enzyme, leaving the variable region free to bind its specific antigen. Enzyme-substrate reaction allows the antigen to be visualized or...
There are many different types of ELISAs, but they all involve an antibody molecule whose constant region binds an enzyme, leaving the variable region free to bind its specific antigen. Enzyme-substrate reaction allows the antigen to be visualized or...
18.1K