Database Systems Journal

ISSN 2069 - 3230

The journal is published under the sponsorship of
The Bucharest University of Economic Studies
and it is produced by the university's own publishing division,
The Bucharest University of Economic Studies Publishing House


AUTHOR INDEX


A B C D E F G H I J K L M N O P R S T U V W X Y Z

A
Dragos AGIU
University of Economic Studies, Bucharest, Romania, agiu.corneliudragos@yahoo.com
Prashant AHLAWAT
Global Institute of Technology and Management, Gurgaon, India, prashantahlawat@ymail.com
Sheikh Arif AHMED
Department of Computer Science and Engineering, International Islamic University Chittagong, Chittagong, Bangladesh, sheikharif1993@gmail.com
Yasser AL-HADAD
University of Economic Studies, Bucharest, Romania, dukeyasser10@yahoo.com
Anca Ioana ANDREESCU
Economic Informatics and Cybernetics Department, University of Economic Studies, Bucharest, Romania, anca.andreescu@ie.ase.ro
Elena ANDREI (DRAGOMIR)
University of Economic Studies, Bucharest, Romania, elena.andrei@gmail.com
Mihai ANDRONIE
University of Economic Studies, Bucharest, Romania, mihai_a380@yahoo.com
Anca APOSTU
University of Economic Studies, Bucharest, Romania, apostuanca@yahoo.com
Denis-Catalin ARGHIR
University of Economic Studies, Bucharest, Romania, arghir.denis@gmail.com
Alexandru ATOMEI
Accountancy and Management Information Systems Faculty, University of Economic Studies, Bucharest, Romania
Constantin Daniel AVRAM
University of Economic Studies, Bucharest, Romania, costin.avram@gmail.com

B
Ruxandra BABEANU
University of Economic Studies, Bucharest, Romania, babeanu.ruxandra@gmail.com
Adriana BANUTA
University of Economic Studies, Bucharest, Romania, adrianabnta@gmail.com
Adela BARA
Economic Informatics and Cybernetics Department, University of Economic Studies, Bucharest, Romania, bara.adela@ie.ase.ro
Claudiu Dan BARCA
The Romanian-American University, Bucharest, Romania
Cristian Mihai BARCA
Electronics, Communications and Computers, University of Pitesti, Romania
Cristian Andrei BARON
University of Economic Studies, Bucharest, Romania, andrei.baron30@gmail.com
Cristina BAZAR
University of Economic Studies, Bucharest, Romania, cristina.bazara@gmail.com
Ramona Camelia BERE
University of Economic Studies, Bucharest, Romania, ramona.bere@gmail.com
Rahul BHAGAT
Electronics and Communication Engineering Department, National Institute of Technology (NIT), Jalandhar, Punjab, India, rahulbhagat.cs.10@nitj.ac.in
Madhu BHAN
Department of Computer Applications, M.S.Ramaiah Institute of Technology, India, madhoobhan@yahoo.co.in
Aref BILLAH
Department of Computer Science and Engineering, International Islamic University Chittagong, Chittagong, Bangladesh, mdarefbillah818@gmail.com
Ranjit BISWAS
CSE Department, Hamdard University, India, ranjitbiswas@yahoo.com
Ramona BOLOGA
Economic Informatics and Cybernetics Department, University of Economic Studies, Bucharest, Romania, ramona.bologa@ie.ase.ro
Diana-Iuliana BOBOC
University of Economic Studies, Bucharest, Romania, bobocdianaiuliana@gmail.com
Razvan BOLOGA
Economic Informatics and Cybernetics Department, University of Economic Studies, Bucharest, Romania, razvanbologa@ase.ro
Silvia BOLOHAN
SAS Analytical Solutions Romania, silvia.bolohan@eur.sas.com
Lucian BORNAZ
University of Economic Studies, Bucharest, Romania, lucianbor@hotmail.com
Mihai Alexandru BOTEZATU
The Romanian-American University, Bucharest, Romania, mihaibotezatu@gmail.com
Iuliana BOTHA
Economic Informatics and Cybernetics Department, University of Economic Studies, Bucharest, Romania, iuliana.botha@ie.ase.ro
Djail BOUBEKEUR
LCSI Laboratory National High School for Computer Science (ESI) Algiers, Algeria, b_djail@esi.dz
Oana Claudia BRATOSIN
University of Economic Studies, Bucharest, Romania, oc.bratosin@gmail.com
Diana BUTUCEA
University of Economic Studies, Bucharest, Romania, dianabutucea@gmail.com

C
Maria Irene CALINOIU
University of Economic Studies, Bucharest, Romania, calinoiumaria@yahoo.com
George CARUTASU
The Romanian-American University, Bucharest, Romania, carutasu.george@profesor.rau.ro
Stefania-Corina CEBUC
University of Economic Studies, Bucharest, Romania, cebuc.stefaniacorina@gmail.com
Cezar Liviu CERVINSCHI
University of Economic Studies, Bucharest, Romania, cezar@symbolsoftware.ro
Sipiwe CHIHANA
Department of Computer Science, School of Science Engineering and Technology, Mulungushi University, Zambia, sipiwechihana09@gmail.com
Mumbi CHISIMBA
Department of Computer Science, School of Science Engineering and Technology, Mulungushi University, Zambia, chishimba.mumbi@gmail.com
Marian CIOBANU
University of Economic Studies, Bucharest, Romania, marianciobanu6@yahoo.com
Sebastian CIOBANU
SAS Analytical Solutions Romania, sebastian.ciobanu@sas.com
Cecilia CIOLOCA
University of Economic Studies, Bucharest, Romania, cecilia_cioloca@yahoo.com
Laurentiu CIOVICA
University of Economic Studies, Bucharest, Romania, laurentiu.ciovica@gmail.com
Antonio CLIM
University of Economic Studies, Bucharest, Romania, antonio.clim@csie.ase.ro
Cristina COCULESCU
The Romanian-American University, Bucharest, Romania, coculescu.cristina@profesor.rau.ro
Diana Elena CODREANU
"Constantin Brancoveanu" University, Pitesti, Romania, codreanudia@yahoo.com
Larisa COPCEA (TEOHARI)
University of Economic Studies, Bucharest, Romania, larisa.copcea@yahoo.com
Costel Gabriel CORLATAN
University of Economic Studies, Bucharest, Romania, gabi.corlatan@yahoo.com
Ticiano COSTA JORDAO
University of Pardubice, Czech Republic, ticiano.costajordao@upce.cz
Vitalie COTELEA
Academy of Economic Studies, Chisinau, Republic of Moldova, vitalie.cotelea@gmail.com
Bogdan Vasile COVACI
LABsterzz.com, Romania, bogdan@labsterzz.com
Daniel CRISAN
Eidgenössische Technische Hochschule, Zürich, Switzerland, crisand@student.ethz.ch

D
Aliaksandr DAMARATSKI
United Institute of Informatics Problems of the National Academy of Sciences of Belarus, Minsk, Belarus, a.damaratski@gmail.com
Adina-Maria DAN
Babes-Bolyai University, Cluj-Napoca, Romania, adina.dan2006@yahoo.com
Ioana DAVID
University of Economic Studies, Bucharest, Romania, ioana.david4@yahoo.com
Vlad DIACONITA
Economic Informatics and Cybernetics Department, University of Economic Studies, Bucharest, Romania, diaconita.vlad@ie.ase.ro
Catalina DRAGOMIR
University of Economic Studies, Bucharest, Romania, catalina93.d@gmail.com
Ioana-Gilia DUSA
University of Economic Studies, Bucharest, Romania, ioanagd94@gmail.com

E
Eduard EDELHAUSER
Management Department, University of Petrosani, Romania, edi1ro2001@yahoo.com
Alexandru ENACEANU
Faculty of Computer Science, Romanian-American University, Bucharest, Romania, alexandru.enaceanu@profesor.rau.ro
Florin-Catalin ENACHE
University of Economic Studies, Bucharest, Romania, catalin.enache@live.com
Radu-Ioan ENACHE
University of Economic Studies, Bucharest, Romania, radu.enache91@gmail.com
Gabriela ENE
University of Economic Studies, Bucharest, Romania, gabriela.ene02@gmail.com
Marian Adrian ENE
University of Economic Studies, Bucharest, Romania, ene.marianadrian@outlook.com

F
Elham Shabanali FAMI
Isfahan University of Technology, Iran, e.shabanali@ec.iut.ac.ir
Mohammad Shabanali FAMI
Islamic Azad University, Iran, emfami@hrgsoft.com
Alexandra Maria Ioana FLOREA
Economic Informatics and Cybernetics Department, University of Economic Studies, Bucharest, Romania, alexandra.florea@ie.ase.ro
Anca-Georgiana FODOR
LABsterzz.com, Romania, anca@labsterzz.com

G
Gabriel GARAIS
Faculty of Computer Science, Romanian-American University, Bucharest, Romania
Mihai GEORGESCU
University of Economic Studies, Bucharest, Romania, mihai.georgescu@europe.com
Floriana GEREA
University of Economic Studies, Bucharest, Romania, floriana.gerea@gmail.com
Mohammad Samadi GHARAJEH
Young Researchers and Elite Club, Tabriz Branch, Islamic Azad University, Tabriz, Iran, mhm.samadi@gmail.com
Adrian GHENCEA
University Titu Maiorescu, Bucharest, Romania, aghencea@yahoo.com
Madalina GHETU
University of Economic Studies, Bucharest, Romania, madalina.ghetu@gmail.com
Bogdan GHILIC-MICU
University of Economic Studies, Bucharest, Romania, ghilic@ase.ro
Immo GIEGER
Bodenstedt-Wilhelmschule, Peine, Germany, aghencea@yahoo.com
Gabriela GLIGOR
Oracle Romania, gabriela.gligor@oracle.com
Hakob GRIGORYAN
University of Economic Studies, Bucharest, Romania, grigoryanhakob90@yahoo.com

H
Catalin HUTANU
University of Economic Studies, Bucharest, Romania, catalin@hutanu.ro

I
Ana Maria IONESCU
University of Economic Studies, Bucharest, Romania, anamaria.ionescu27@gmail.com
Andreea IONESCU
University of Economic Studies, Bucharest, Romania, andreea_ionescu_25_2011@yahoo.com
Andreea Maria IONESCU
University of Economic Studies, Bucharest, Romania, andreea_maria_ionescu@yahoo.com
Bogdan-Andrei IONESCU
University of Economic Studies, Bucharest, Romania, ionescu.bogdan.andrei@gmail.com
Cosmin Sebastian IOSIF
University of Economic Studies, Bucharest, Romania, iosifsebastian@yahoo.com
Mohammad Taghi ISAAI
Sharif University of Technology, Iran, isaai@sharif.edu
Andreea ISTOC
University of Economic Studies, Bucharest, Romania, andreea_istoc@yahoo.com
Mihaela Laura IVAN
University of Economic Studies, Bucharest, Romania, ivanmihaela88@gmail.com

J
V.JANAKI
Vaagdevi Engineering College, India, janakicse@yahoo.com

K
Dr. Jaiteg Singh KHAIRA
Chitkara Institute of Engineering and Technology, Rajpura, India, jaitegkhaira@yahoo.co.in
Hidouci Walid KHALED
LCSI Laboratory National High School for Computer Science (ESI) Algiers, Algeria, wk_hidouci@esi.dz
Shahidul Islam KHAN
Dept. of Computer Science and Engineering (CSE), Bangladesh University of Engineering & Technology (BUET), Dhaka, Bangladesh, nayeemkh@gmail.com
Rizul KHANNA
Electronics and Communication Engineering Department, National Institute of Technology (NIT), Jalandhar, Punjab, India, rijulkhanna.ec.09@nitj.ac.in
P.V. KUMAR
University College of Engineering, Osmania University, India, pvkumar58@gmail.com
Hitesh KUMAR SHARMA
University of Petroleum and Energy Studies, India, hkshitesh@gmail.com
Sanjeev KUMAR SINGH
Galgotia University Noida, India, sksingh8@gmail.com
Dr. Suresh KUMAR T.V
Visvesvaraya Technological University, India
Douglas KUNDA
Department of Computer Science, School of Science Engineering and Technology, Mulungushi University, Zambia, dkunda@mu.edu.zm

L
Ionut LACATUS
University of Economic Studies, Bucharest, Romania, ionutlacatus@gmail.com
Abu Sayed Md. LATIFUL HOQUE
Dept. of Computer Science and Engineering (CSE), Bangladesh University of Engineering & Technology (BUET), Dhaka, Bangladesh, asmlatifulhoque@cse.buet.ac.bd
Marius Mihai LAZAR
University of Economic Studies, Bucharest, Romania, lazar_mariusmihai@yahoo.com
Monica LIA
University of Economic Studies, Bucharest, Romania, monica.lia@gmail.com
Valentina LUCA
University of Economic Studies, Bucharest, Romania, luca.valentina@ymail.com
Ion LUNGU
Economic Informatics and Cybernetics Department, University of Economic Studies, Bucharest, Romania, ion.lungu@ie.ase.ro
Lucian LUPU-DIMA
Info 98 Computing Centre Company, Petrosani, Romania, lupu_lucian@yahoo.com

M
Loudini MALIK
LCSI Laboratory National High School for Computer Science (ESI) Algiers, Algeria, m_loudini@esi.dz
Andrea MANNA
Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Computacion, Buenos Aires, Argentina, amanna@dc.uba.ar
Georgiana MARIN
Romanian-American University, Bucharest, Romania, georgiana.maryn@gmail.com
Vlad MATEESCU
University of Economic Studies, Bucharest, Romania, vlad.mateescu30@gmail.com
Gheorghe MATEI
Romanian Commercial Bank, Bucharest, Romania, george.matei@bcr.ro
Luiza Cecilia MAZARE
University of Economic Studies, Bucharest, Romania, luiza.mazare@gmail.com
Marius Cristian MAZILU
University of Economic Studies, Bucharest, Romania, mariuscristian.mazilu@gmail.com
Pooja MEHTA
PG Students, GTU PG School, Gandhinagar, India, pooja_mehta@live.in
Nicolae MERCIOIU
University of Economic Studies, Bucharest, Romania, nicu.mercioiu@gmail.com
Gianina MIHAI
"Dunarea de Jos" University, Galati, Romania, grizescu@yahoo.com
Robert MIHAILA
University of Economic Studies, Bucharest, Romania, alexandru.mihaila@dppd.ase.ro
Andrei MIHALACHE
Economic Informatics and Cybernetics Department, University of Economic Studies, Bucharest, Romania, andrei@mdata.ro
Traian-Lucian MILITARU
Faculty of Electronics, Telecommunications and Information Technology, Politehnica University of Bucharest, Romania, gelmosro@yahoo.com
Marinela MIRCEA
Economic Informatics and Cybernetics Department, University of Economic Studies, Bucharest, Romania, mmircea@ase.ro
Daniela MITROESCU
University of Economic Studies, Bucharest, Romania, mitroescu_daniela@yahoo.com
Aura-Mihaela MOCANU
University of Economic Studies, Bucharest, Romania, mocanuaura@yahoo.com
Radu Stefan MOLEAVIN
University of Economic Studies, Bucharest, Romania, ramos_cisco2003@yahoo.com
Mohammad Ali MONTAZERI
Isfahan University of Technology, Iran, montazeri@cc.iut.ac.ir
Iulia MUNTEAN
University of Economic Studies, Bucharest, Romania, muntean.iulia12@gmail.com
Mihaela I.MUNTEAN
Department of Business Information Systems, Faculty of Economics and Business Administration, West University of Timisoara, Timisoara, Romania, mihaela.muntean@feaa.uvt.ro
Adrian MUNTEANU
University of Economic Studies, Bucharest, Romania, adrianm21@yahoo.com

N
Ilona Mariana NAGY
Faculty of Economics and Business Administration, Babes-Bolyai University, Cluj-Napoca, Romania, mariana.nagy@econ.ubbcluj.ro
Bogdan NEDELCU
University of Economic Studies, Bucharest, Romania, bogdannedelcu@hotmail.com
Christalin NELSON. S
University of Petroleum and Energy Studies, India, cnelson@ddn.upes.ac.in
Codrin-Florentin NISIOIU
University of Economic Studies, Bucharest, Romania, codrin.nisioiu@ie.ase.ro

O
Miruna ONUTA
University of Economic Studies, Bucharest, Romania, miruna.onuta@gmail.com
Ruxandra OPREA
University of Economic Studies, Bucharest, Romania, rux.oprea@yahoo.com
Simona-Vasilica OPREA
University of Economic Studies, Bucharest, Romania, simona.oprea@csie.ase.ro

P
Amanpartap Singh PALL
School of Information Technology, APJIMTC, Jalandhar, India, amanpall@hotmail.com
Cristian PAUNA
University of Economic Studies, Bucharest, Romania, cristian.pauna@ie.ase.ro
Florentina Ramona PAVEL (EL BAABOUA)
University of Economic Studies, Bucharest, Romania, pav_florentina@yahoo.com
Asha M. PAWAR
Computer Engineering Department, SKNCOE, Pune, India, aashapawar20@gmail.com
Xiaoning PENG
Department of Computer Engineering, Huaihua University, Huaihua, Hunan, China, pxnxzj@gmail.com
Ruxandra-Stefania PETRE
University of Economic Studies, Bucharest, Romania, ruxandra_stefania.petre@yahoo.com
Octavian Teodor PETRICICA
University of Economic Studies, Bucharest, Romania, octavian.petricica@ymail.com
Alexandru PIRJAN
The Romanian-American University, Bucharest, Romania, alex@pirjan.com
Claudiu PIRNAU
Politehnica University, Bucharest, Romania, claude.pyr@gmail.com
Sorina PODARU
University of Economic Studies, Bucharest, Romania, sorina.podaru@gmail.com
Dragos-Paul POP
University of Economic Studies, Bucharest, Romania, dragos_paul_pop@yahoo.com
Aida-Maria POPA
University of Economic Studies, Bucharest, Romania, aida_popa@yahoo.com
Raluca Georgiana POPA
Department of Economic International Relations,Bucharest Academy of Ecomomic Studies, Romania, jpopa1961@yahoo.co.uk
Janina POPEANGA
University of Economic Studies, Bucharest, Romania, janina.popeanga@yahoo.com
Stefan PREDA
Oracle, Bucharest, Romania, spreda2003@yahoo.com
Florina Camelia PUICAN
University of Economic Studies, Bucharest, Romania, puicanflorina@yahoo.com

R
Vangipuram RADHAKRISHNA
VNR VignanaJyothi Institute of Engineering and Technology, India, radhakrishna_v@vnrvjiet.in
Diana-Alexandra RADU
University of Economic Studies, Bucharest, Romania, radu_diana96@yahoo.com
Ovidiu RADUTA
University of Economic Studies, Bucharest, Romania, ovidiu.raduta@gmail.com
Dr. K.RAJANIKANT
Department of Computer Applications, M.S.Ramaiah Institute of Technology, India
Gerardo ROSSEL
Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Computacion, Buenos Aires, Argentina, grossel@dc.uba.ar

S
Ruchil SHAH
PG Students, GTU PG School, Gandhinagar, India, ruchil.bh.shah@gmail.com
Aditya SHASTRI
Banasthali University, Rajasthan, India, adityashastri@yahoo.com
Stanislau SHYRAI
Belarusian State University of Informatics and Radio-Electronics, Minsk, Belarus, ashaman410@gmail.com
Fatemeh SHOKRI
Computer Engineering Department, Mazandaran Institute of Technology, Mazandaran, Iran, fatemeh.shokri@aol.com
Catalin Ionut SILVESTRU
University of Economic Studies, Bucharest, Romania, catalin@ase.ro
Alex Alexandru SIROMASCENKO
University of Economic Studies, Bucharest, Romania, alex_siro@yahoo.com
Irina-Steliana STAN
University of Economic Studies, Bucharest, Romania, irina.stan@outlook.com
Justina Lavinia STANICA
The Romanian-American University, Bucharest, Romania, stanica.lavinia.justina@profesor.rau.ro
Madalina-Elena STEFANET
University of Economic Studies, Bucharest, Romania, mada.stefanet@gmail.com
Roxana Ioana STIRCU
University of Economic Studies, Bucharest, Romania, roxana.stircu@gmail.com
Ion-Sorin STROE
University of Economic Studies, Bucharest, Romania, soso@soso.ro
Cristina STOICESCU
University of Economic Studies, Bucharest, Romania, kris_stoicesku@yahoo.com
George SUCIU
Faculty of Electronics, Telecommunications and Information Technology, Politehnica University of Bucharest, Romania, george@beia.ro
Iulia SURUGIU
TotalSoft, Bucharest, Romania, isurugiu@totalsoft.ro

T
Ioan-Florentin TAMASESCU
University of Economic Studies, Bucharest, Romania, ioan.tamasescu@gmail.com
Ionut TARANU
University of Economic Studies, Bucharest, Romania, ionutt77@yahoo.com
Diana TARNAVEANU
Department of Business Information Systems, Faculty of Economics and Business Administration, West University of Timisoara, Timisoara, Romania, diana.tarnaveanu@feaa.uvt.ro
Silviu TEODORU
Oracle Romania,silviu.teodoru@oracle.com
Smaranda-Elena TINTOIU
University of Economic Studies, Bucharest, Romania, smarandat138@gmail.com
Emilia TITAN
Department of Statistics and Econometrics, University of Economic Studies, Bucharest, Romania, emilia_titan@yahoo.com
Aurelian TITIRISCA
University of Economic Studies, Bucharest, Romania, aureliantitirisca@yahoo.com
Elena Alexandra TOADER
University of Economic Studies, Bucharest, Romania, atoader22@yahoo.com
Gyorgy TODORAN
Quality Department, Politehnica University of Bucharest, Romania, todoran.gyorgy@gmail.com
Alexandru Adrian TOLE
Romanian - American University, Bucharest, Romania, alexandru.tole@gmail.com
Osman Bülent TÖR
EPRA Engineering Procurement Research Analysis, Turkey, osman.tor@epra.com.tr
Mircea Raducu TRIFU
University of Economic Studies, Bucharest, Romania, trifumircearadu@yahoo.com
Adela Ioana TUDOR
University of Economic Studies, Bucharest, Romania, adela_lungu@yahoo.com
Bogdan George TUDORICA
Petroleum-Gas University, Ploiesti, Romania, tudorica_bogdan@yahoo.com

U
Elena Geanina ULARU
University of Economic Studies, Bucharest, Romania, ularugeanina@yahoo.com

V
Alexandru George VASILE
University of Economic Studies, Bucharest, Romania, alexandru.vasile26@gmail.com
Anda VELICANU (BELCIU)
Economic Informatics and Cybernetics Department, University of Economic Studies, Bucharest, Romania, anda.velicanu@ie.ase.ro
Manole VELICANU
Economic Informatics and Cybernetics Department, University of Economic Studies, Bucharest, Romania, manole.velicanu@ie.ase.ro, mvelicanu@yahoo.com
Alin VEZEANU
University of Economic Studies, Bucharest, Romania, alin_v12@yahoo.com
Dmitri A. VIATTCHENIN
Belarusian State University of Informatics and Radio-Electronics, Minsk, Belarus, viattchenin@mail.ru

X
Zhijun XIAO
Department of Computer Engineering, Huaihua University, Huaihua, Hunan, China, pxnxzj@gmail.com

Z
Razvan ZOTA
University of Economic Studies, Bucharest, Romania, zota@ase.ro
Madalina ZURINI
University of Economic Studies, Bucharest, Romania, madalina.zurini@gmail.com