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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) Sisforma: Journal of Information Systems
Aan Erlansari
University of Bengkulu
Computer Science & IT Education Engineering Library & Information Science

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The Analysis of Rank Fusion Techniques to Improve Query Relevance Diyah Puspitaningrum; Jeri Apriansyah Pagua; Aan Erlansari; Fauzi Fauzi; Rusdi Efendi; Desi Andreswari; I.S.W.B. Prasetya
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 13, No 4: December 2015
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v13i4.2736

Abstract

Rank fusion meta-search engine algorithms can be used to merge web search results of multiple search engines. In this paper we introduce two variants of the Weighted Borda-Fuse algorithm. The first variant retrieves documents based on popularities of component engines. The second one is based on k user-defined toplist of component engines. In this research, experiments were performed on k={50,100,200} toplist with AND/OR combinations implemented on ‘UNIB Meta Fusion’ meta-search engine prototype which employed 3 out of 5 popular search engines. Both of our two algorithms outperformed other rank fusion algorithms (relevance score is upto 0.76 compare to Google that is 0.27, at P@10). The pseudo-relevance automatic judgement techniques involved are Reciprocal Rank, Borda Count, and Condorcet. The optimal setting was reached for queries with operator "AND" (degree 1) or "AND ... AND" (degree 2) with k=200. The ‘UNIB Meta Fusion’ meta-search engine system was built correctly.
Early Intrusion Detection System (IDS) using Snort and Telegram approach Aan Erlansari; Funny Farady Coastera; Afief Husamudin
SISFORMA Vol 7, No 1: May 2020
Publisher : Soegijapranata Catholic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (663.022 KB) | DOI: 10.24167/sisforma.v7i1.2629

Abstract

Computer network security is an important factor that must be considered. Guaranteed security can avoid losses caused by attacks on the network security system. The most common prevention against network attacks is to place an administrator, but problems will arise when the administrator is not supervising the network, so to overcome these problems a system called IDS (Intrusion Detection System) can detect suspicious activity on the network through automating the work functions of an administrator. Snort is one of the software that functions to find out the intrusion. Data packets that pass through network traffic will be analyzed. Data packets detected as intrusion will trigger alerts which are then stored in log files. Thus, administrators can find out intrusions that occur on computer networks, and the existence of instant messaging applications can help administrators to get realtime notifications, one of which is using the Telegram application. The results of this study are,  Snort able to detect intrusion of attacks on computer networks and the system can send alerts from snort to administrators via telegram bot in real-time.
Co-Authors Afief Husamudin Desi Andreswari Diyah Puspitaningrum Fauzi Fauzi Funny Farady Coastera I.S.W.B. Prasetya Jeri Apriansyah Pagua Rusdi Efendi