Preprints (not yet peer-reviewed)

Collaborative filtering (CF) is a popular technique in recommendation study. Concretely, items which are recommended to user are determined by surveying her/his communities. There are two main CF approaches, which are memory-based and model-based. I propose a new...

["Algorithms and Analysis of Algorithms","Data Mining and Machine Learning"]
doi:10.7287/peerj.preprints.26444v1
5 downloads
9 views

DataScope is a web-based tool for generating interactive visual dashboards on large scale multidimensional datasets. Users can use these dashboards to explore data and create cohorts for downstream analysis. We describe DataScope's architecture, design considerations...

["Bioinformatics","Human-Computer Interaction","Visual Analytics"]
doi:10.7287/peerj.preprints.26441v1
15 downloads
34 views

This paper deals with the merger of the two lightweight stream ciphers – A5/1 and Trivium. The idea is to make the key stream generation more secure and to remove the attacks of the individual algorithms. The bits generated by the Trivium cipher (output) will act...

["Cryptography"]
doi:10.7287/peerj.preprints.6571v1
117 downloads
88 views

Background. Automated Essay Scoring (AES) is an area which falls at the intersection of computing and linguistics. AES systems conduct a linguistic analysis of a given essay or prose and then estimates the writing skill or the essay quality in the form a numeric...

["Artificial Intelligence","Computational Linguistics","Data Mining and Machine Learning"]
doi:10.7287/peerj.preprints.3518v1
157 downloads
361 views

Intelligence and consciousness have fascinated humanity for a long time and we have long sought to replicate this in machines. In this work we show some design principles for a compassionate and conscious artificial intelligence. We present a computational framework...

["Adaptive and Self-Organizing Systems","Agents and Multi-Agent Systems","Artificial Intelligence"]
doi:10.7287/peerj.preprints.3502v2
188 downloads
1,201 views

Human speech is the most important part of General Artificial Intelligence and subject of much research. The hypothesis proposed in this article provides explanation of difficulties that modern science tackles in the field of human brain simulation. The hypothesis...

["Artificial Intelligence","Computational Linguistics","Natural Language and Speech"]
doi:10.7287/peerj.preprints.1576v4
44 downloads
73 views

Rigorous performance engineering traditionally assumes measuring on bare-metal environments to control for as many confounding factors as possible. Unfortunately, some researchers and practitioners might not have access, knowledge, or funds to operate dedicated...

["Software Engineering"]
doi:10.7287/peerj.preprints.3507v1
60 downloads
168 views

Due to the constant innovations in communications tools, several educational institutions are continually evaluating the adoption of new communication tools (NCT) for their adopted learning platforms (LP). Notably, many educational institutions are interested in...

["Computer Education","Network Science and Online Social Networks","Social Computing"]
doi:10.7287/peerj.preprints.3114v2
37 downloads
74 views

The reconstruction of genomes using mapping based approaches with short reads experiences difficulties when resolving repetitive regions. These repetitive regions in genomes result in low mapping qualities of the respective reads, which in turn lead to many unresolved...

["Bioinformatics","Computational Biology"]
doi:10.7287/peerj.preprints.3480v1
95 downloads
214 views

Finding useful patterns in datasets has attracted considerable interest in the field of visual analytics. One of the most common tasks is the identification and representation of clusters. However, this is non-trivial in heterogeneous datasets since the data needs...

["Data Science","Visual Analytics"]
doi:10.7287/peerj.preprints.3448v1
23 downloads
79 views

4-bit Linear Relations play an important role in Cryptanalysis of 4-bit Bijective Crypto S-boxes. 4-bit finite differences also a major part of cryptanalysis of 4-bit substitution boxes. Count of existence of all 4-bit linear relations, for all of 16 input and...

["Computer Networks and Communications","Cryptography"]
doi:10.7287/peerj.preprints.3441v1
141 downloads
411 views

Digital repositories bring direct impact and influence on the research community and society but measuring their value using formal metrics remains challenging. their value. It is challenging to define a single perfect metric that covers all quality aspects. Here,...

["Bioinformatics","Computational Biology","Digital Libraries","World Wide Web and Web Science"]
doi:10.7287/peerj.preprints.2688v3
50 downloads
115 views

Configuration files are widely used by scientists and researchers to configure the parameters and initial settings for their computer programs. We present here a Python package that adds physical quantities to these parameters and validate them against user defined...

["Scientific Computing and Simulation","Programming Languages","Software Engineering"]
doi:10.7287/peerj.preprints.3418v1
65 downloads
136 views

In recent years, with the improvement in imaging technology, the quality of small cameras have significantly improved. Coupled with the introduction of credit-card sized single-board computers such as Raspberry Pi, it is now possible to integrate a small camera...

["Human-Computer Interaction","Artificial Intelligence","Autonomous Systems","Computer Vision"]
doi:10.7287/peerj.preprints.3410v1
99 downloads
145 views

Several ball tracking algorithms have been reported in literature. However, most of them use high-quality video and multiple cameras, and the emphasis has been on coordinating the cameras or visualizing the tracking results. This paper aims to develop a system...

["Artificial Intelligence","Computer Vision"]
doi:10.7287/peerj.preprints.3402v1
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