Publications by year | Software and Database Systems.Lab

Year: 2002

Transactional e-Government Services: an Integrated Approach

C. Vassilakis, G. Laskaridis, G. Lepouras, S. Rouvas and P. Georgiadis
Proceedings of the 1st International Conference on Electronic Government-EGOV 2002, pp. 276-279

Research area: e-government & e-commerce
Consistency Checking for Qualitative Spatial Reasoning with Cardinal Directions

S. Skiadopoulos and M. Koubarakis
In Proceedings of the 7th International Conference on Principles and Practice of Constraint Programming (CP'02), volume 2470 of LNCS, pages 341--355. Springer, September 2002.

Research area: Spatiotemporal databases

Year: 2001

e-Citizens and e-Consumers: Is There a Difference?

G. Laskaridis, C. Vassilakis, G. Lepouras, S. Rouvas
Proceedings of the PCHCI 2001 Workshop: "Transforming Web Surfers to E-Shoppers", Patras, Greece, December 2001, pp. 47-50.

Research area: e-government & e-commerce
Arktos: Towards the Modeling, Design, Control and Execution of ETL Processes

P. Vassiliadis, Z. Vagena, N. Skiadopoulos, S. Karayannidis, and T. Sellis
In Information Systems, 26(8):537--561, 2001.

Research area: Data warehouses and OLAP
Composing Cardinal Directions Relations

S. Skiadopoulos and M. Koubarakis
In Proceedings of the 7th International Symposium on Spatial and Temporal Databases (SSTD'01), volume 2121 of LNCS, pages 299--317. Springer, July 2001

Research area: Spatiotemporal databases
Building a VR-Museum in a Museum

G. Lepouras, D. Charitos, C. Vassilakis, A Charissi and L. Halatsi
Third International Virtual Reality Confere nce, VRIC2001, Laval, France, May 16-20, 2001.

Research area: Virtual reality & virtual museums
Localisation and Linguistic Anomalies

G.R.S. Weir, G. Lepouras
proceedings of Human Computer Interaction International 2001, New Orleans, USA, August 5 - 10, 2001.

Research area: Human-computer interaction
Designing a virtual museum within a museum

D. Charitos, G. Lepouras, C. Vassilakis, V. Katifori, A. Charissi, L. Halatsi
Proceedings of the VAST2001 Symposium, November 2001, Athens, Greece.

Research area: Virtual reality & virtual museums
English Assistant: A Support Strategy for On-Line Second Language Learning

G.R.S. Weir, G. Lepouras,
short paper, Proceedings of ICALT 2001, IEEE International Conference on Advanced Learning Technologies Madison, USA, August 6-8, 2001.

Research area: Human-computer interaction

Year: 2000

Multilingual Web Site Construction and Maintenance

George Lepouras and Costas Vassilakis
Proceedings of the SCI 2000 conference, Vol. I, Orlando, Florida, USA, pp. 56-61, 2000.

Research area: Web Systems
Modelling and Optimization Issues for Multidimensional Databases

P. Vassiliadis and S. Skiadopoulos.
In Proceedings of CAiSE'00, volume 1789 of LNCS, pages 482--497. Springer, June 2000.

Research area: Data warehouses and OLAP
An approach to designing and implementing virtual museums

D. Charitos, G. Lepouras, C. Vassilakis, V. Katifori and L. Halatsi
Proceedings of the seventh UK VR-SIG Conference, Glasgow, 2000.

Research area: Virtual reality & virtual museums
The determination of semilattice congruences of finite semigroups, ordered semigroups using Turbo Pascal 7.0

Kehayopulu, N. and G. Lepouras
Sovremennaja Algebra 5 (25) (2000), 47-62 (in Russian).

Research area: Other, Mathematics
Function Oriented History Representation in Databases

L. Kovacs and C. Vassilakis
Computers and Artificial Intelligence, vol. 19, 2000, pp. 417-444.

Research area: Spatiotemporal databases
Querying Temporal and Spatial Constraint Networks in PTIME

M. Koubarakis and S. Skiadopoulos
Artificial Intelligence, 123(1-2):223--263, 2000.

Research area: Spatiotemporal databases
An Optimization Scheme for Coalesce/Valid Time Selection Operator

Costas Vassilakis
SIGMOD Record, vol. 29, number 1, March 2000, pp. 38-43.

Research area: Spatiotemporal databases
Arktos: A Tool For Data Cleaning and Transformation in Data Warehouse Environments

P. Vassiliadis, Z. Vagena, N. Skiadopoulos, S. Karayannidis, and T. Sellis
IEEE Data Engineering Bulletin, 23(4):42--47, 2000.

Research area: Data warehouses and OLAP

Year: 1999

Querying Temporal Constraint Networks in PTIME

M. Koubarakis and S. Skiadopoulos
In Proceedings of AAAI'99, pages 745--750, July 1999.

Research area: Spatiotemporal databases
Tractable Query Answering in Indefinite Constraint Databases: Basic Results&Applications to Querying SpatioTemporal Information

M. Koubarakis and S. Skiadopoulos
T. In Proceedings of Int'l Workshop on Spatio-Temporal Database Management (STDBM'99), volume 1678 of LNCS, pages 204--223. Springer, September 1999

Research area: Spatiotemporal databases
Querying Indefinite Spatial and Temporal Information: The New Frontier

M. Koubarakis and S. Skiadopoulos
In Proceedings of the IJCAI Workshop on Hot Topics in Spatial and Temporal Reasoning, August 1999.

Research area: Spatiotemporal databases
Is Server-Side Programming Killing Your Web Server?

C. Vassilakis, G. Lepouras
Poster presentation in ActiveWeb 99, 1999.

Research area: Web Systems
It's not Greek to me: Terminology and the Second Language Problem

G. Lepouras, G.R.S. Weir
ACM SigCHI Bulletin, Vol.31, No.2, pp. 17-24, April 1999.

Research area: Human-computer interaction
Distributed information systems tailorability: A component approach

Dimitrios Theotokis, George-Dimitrios Kapos, Costas Vassilakis, Anya Sotiropoulou and Georgios Gyftodimos
Proceedings of the IEEE Workshop on Future Trends on Distributed Computing, Cape Town, 1999, pp. 95-101.

Research area: Distributed systems

Year: 1998

On right regular and right duo poe-semigroups

Niovi Kehayopulu and George Lepouras
Math. Japonica Vol. 47, No. 2 (1998), 281-285. Îœathematical Reviews: 99d: 06020 (Mark Verus Lawson).

Research area: Other, Mathematics
Implementation of Transaction and Concurrency Control Support in a Temporal DBMS

C. Vassilakis, N. Lorentzos and P. Georgiadis
Information Systems, vol. 23, No 5, pp. 335-350, 1998.

Research area: Spatiotemporal databases
Dynamic Second Language Support for Web-based Information Systems

G.R.S. Weir, G. Lepouras
Proceedings of 2nd World Multiconference on Systemics, Cybernetics and Informatics, Orlando, Florida, USA, July 1998.

Research area: Web Systems, Human-computer interaction
Temporal Extension to ODMG

A. Sotiropoulou, M. Souillard, C. Vassilakis
in Proceedings of the 3rd Biennial World Conference on Integrated Design and Process Technology, Vol. 2, Issues and Applications of Database Technology (IADT), Berlin, Germany, 1998, pp. 304-311.

Research area: Spatiotemporal databases
TOOBIS: Application of the Management of Temporal Data in Clinical Research

M. Souillard, C. Vassilakis, A. Sotiropoulou
INFORSID '98 Actes des Conferences, pp. 145-168 (in French).

Research area: Spatiotemporal databases
Implementing Embedded Valid Time Query Languages

C. Vassilakis, P. Georgiadis, T. Selis
Proceedings of the DEXA '98 Conference, pp. 561-572.

Research area: Spatiotemporal databases

Year: 1997

A note on bi and quasi-ideals of semigroups, ordered semigroups

N. Kehayopulu, S. Lajos, G. Lepouras
PU.M.A. Vol. 8 (1997), No. 1, pp 75-81.

Research area: Other, Mathematics