Search results for "Mobiililaitteet"

A Network-Based Framework for Mobile Threat Detection

2018

Mobile malware attacks increased three folds in the past few years and continued to expand with the growing number of mobile users. Adversary uses a variety of evasion techniques to avoid detection by traditional systems, which increase the diversity of malicious applications. Thus, there is a need for an intelligent system that copes with this issue. This paper proposes a machine learning (ML) based framework to counter rapid evolution of mobile threats. This model is based on flow-based features, that will work on the network side. This model is designed with adversarial input in mind. The model uses 40 timebased network flow features, extracted from the real-time traffic of malicious and…

Educational Technology Goes Mobile

2018

Recent decades have revealed that the digital educational technology that is expected to revolutionise schooling for generations to come, is fraught with challenges. One major challenge is that educational systems vastly vary between cultures and countries. The differences start from the conceptualisation of education and school. It is, therefore, quite inaccurate to handle education as a universal concept. In this article the authors evade generalisation by discussing the use of mobile technology in the schools of one single, relatively homogenous nation: Finland. The backbone of their analysis is the core national curriculum of basic education. The appropriateness of mobile technology in …

Multi-hop D2D Communications with Network Coding : From A Performance Perspective

2019

Multi-hop device-to-device (D2D) communications play an important role in expanding D2D coverage. In this paper, we study a relay-based and network-coding-assisted (in particular, XOR coding) multi-hop D2D communication system. In the system, toward jointly considering the impact of interference and network traffic conditions on the quality of D2D communications, various channel fading models and traffic models are investigated, and the packet loss probability of D2D links is meticulously computed using these models. With the packet loss probability of D2D links, the general closed-form expressions of end-to-end packet loss probability (E2EPLP) of the system with the presence (or absence) o…

What technical devices/platforms are used most by Citizen Scientists in their projects?

2021

Of the 12 different tools and platforms that are used in citizen science activities, the top three were websites, smartphones and databases. Respondents to a survey conducted by the CS Track project indicated that they used technology primarily for gathering scientific data and knowledge as well as for communication and dissemination of information with other enthusiasts and researchers. nonPeerReviewed

Masquerader detection in mobile context based on behaviour and environment monitoring

2007

Mobiilipäätelaitteiden, matkapuhelimien ja kämmentietokoneiden yleistymisen myötä riski näiden laitteiden väärinkäytölle on kasvanut. Matkapuhelimia ja kämmentietokoneita varastetaan ja hukataan koko ajan. Tällöin on mahdollista laitteen päätyminen henkilölle, joka voi käyttää laitetta luvattomasti. Luvattoman käytön estämiseksi on syntynyt tarve turvajärjestelmälle, jonka avulla voidaan varmistaa, että mobiilipäätelaitetta käyttävällä henkilöllä on oikeus laitteen käyttöön.Mazhelis kehitti väitöskirjassaan menetelmää, jonka avulla mobiilipäätelaitteen laillinen käyttäjä erotetaan muista henkilöistä. Tähän pyritään käytön aikaista toimintaa ja toimintaympäristön informaatiota analysoimalla.…

Mobile life of middle-aged employees : fragmented time and softer schedules

2018

Personal use of technology at work : a literature review and a theoretical model for understanding how it affects employee job performance

2021

Employee personal use of technology at work (PUTW)—defined as employees’ activities using organisational or personal IT resources for non-work-related purposes while at work—is increasingly common in organisations. Our review of existing PUTW studies (n = 137) suggests that previous studies widely discussed PUTW outcomes, antecedents, and policies. The literature review also indicates that previous studies have proposed opposing viewpoints regarding the effect of PUTW on employee job performance, but few studies offered empirical evidence. Consequently, the conditions under which PUTW can increase or decrease employee job performance have not been discussed. We develop a theoretical model (…

Browsing and navigating web applications with mobile devices

2004

Vektorimuotoisten karttojen siirto mobiililaitteelle

2009

Information delivery in mobile peer-to-peer networks

2007

Tietoverkot ovat tulleet osaksi arkeamme. Liikkuessaankin ihmiset ovat keskellä tietoverkkoja matkapuhelimien, kämmentietokoneiden tai muiden kannettavien päätelaitteiden kautta. WWW-palvelujen lisäksi uudempana verkkosovelluksena ovat ns. vertaisverkot, joissa kukin verkon käyttäjä voi toimia sekä tietolähteenä että tiedon käyttäjänä. Kotien ja työpaikkojen nopeat tietoliikenneyhteydet ovatkin mahdollistaneet vertaisverkkojen hyödyntämisen niin huvi- kuin hyötytarkoituksissa. Vielä toistaiseksi pieniä, mukana kulkevia laitteita ei kuitenkaan ole suurissa määrin valjastettu vertaisverkkojen käyttöön, mutta nykyteknologian mahdollistaessa tämän trendi voi kasvaa hyvinkin nopeasti. Kohtaamisv…