Lefteris Angelis

	2009
46		Mahvish Khurum, Tony Gorschek, Lefteris Angelis, Robert Feldt: A Controlled Experiment of a Method for Early Requirements Triage Utilizing Product Strategies. REFSQ 2009: 22-36
45		Panagiotis Sfetsos, Ioannis Stamelos, Lefteris Angelis, Ignatios S. Deligiannis: An experimental investigation of personality types impact on pair effectiveness in pair programming. Empirical Software Engineering 14(2): 187-226 (2009)
	2008
44		Robert Feldt, Richard Torkar, Lefteris Angelis, Maria Samuelsson: Towards individualized software engineering: empirical studies should collect psychometrics. CHASE 2008: 49-52
43		Nikolaos Mittas, Lefteris Angelis: Combining regression and estimation by analogy in a semi-parametric model for software cost estimation. ESEM 2008: 70-79
42		Nikolaos Dimokas, Nikolaos Mittas, Alexandros Nanopoulos, Lefteris Angelis: A Prototype System for Educational Data Warehousing and Mining. Panhellenic Conference on Informatics 2008: 199-203
41		Nikolaos Mittas, Lefteris Angelis: Comparing Software Cost Prediction Models by a Visualization Tool. SEAA 2008: 433-440
40		Theodosios Theodosiou, Nikos Darzentas, Lefteris Angelis, Christos A. Ouzounis: PuReD-MCL: a graph-based PubMed document clustering methodology. Bioinformatics 24(17): 1935-1941 (2008)
39		Panagiotis Sentas, Lefteris Angelis, Ioannis Stamelos: A statistical framework for analyzing the duration of software projects. Empirical Software Engineering 13(2): 147-184 (2008)
38		Per Rovegard, Lefteris Angelis, Claes Wohlin: An Empirical Study on Views of Importance of Change Impact Analysis Issues. IEEE Trans. Software Eng. 34(4): 516-530 (2008)
37		Nikolaos Mittas, Marinos Athanasiades, Lefteris Angelis: Improving analogy-based software cost estimation by a resampling method. Information & Software Technology 50(3): 221-230 (2008)
36		Stamatia Bibi, Ioannis Stamelos, Lefteris Angelis: Combining probabilistic models for explanatory productivity estimation. Information & Software Technology 50(7-8): 656-669 (2008)
35		Theodosios Theodosiou, Lefteris Angelis, Athena Vakali: Non-linear correlation of content and metadata information extracted from biomedical article datasets. Journal of Biomedical Informatics 41(1): 202-216 (2008)
34		Sulayman K. Sowe, Ioannis Stamelos, Lefteris Angelis: Understanding knowledge sharing activities in free/open source software projects: An empirical study. Journal of Systems and Software 81(3): 431-446 (2008)
33		Nikolaos Mittas, Lefteris Angelis: Comparing cost prediction models by resampling techniques. Journal of Systems and Software 81(5): 616-632 (2008)
	2007
32		Sulayman K. Sowe, Lefteris Angelis, Ioannis Stamelos, Yannis Manolopoulos: Using Repository of Repositories (RoRs) to Study the Growth of F/OSS Projects: A Meta-Analysis Research Approach. OSS 2007: 147-160
31		Panagiotis Katsaros, Lefteris Angelis, Constantine Lazos: Performance and effectiveness trade-off for checkpointing in fault-tolerant distributed systems. Concurrency and Computation: Practice and Experience 19(1): 37-63 (2007)
30		Stelios I. Marnas, Lefteris Angelis, Georgios L. Bleris: An Application of Quasigroups in All-Or-Nothing Transform. Cryptologia 31(2): 133-142 (2007)
29		Theodosios Theodosiou, Lefteris Angelis, Athena Vakali, G. N. Thomopoulos: Gene functional annotation by statistical analysis of biomedical articles. I. J. Medical Informatics 76(8): 601-613 (2007)
28		George Pallis, Lefteris Angelis, Athena Vakali: Validation and interpretation of Web users' sessions clusters. Inf. Process. Manage. 43(5): 1348-1367 (2007)
	2006
27		Athanasis Karoulis, Ioannis Stamelos, Lefteris Angelis: Formal Evaluation of an Instructional ODL Tool. ICALT 2006: 529-533
26		Panagiotis Sfetsos, Ioannis Stamelos, Lefteris Angelis, Ignatios S. Deligiannis: Investigating the Impact of Personality Types on Communication and Collaboration-Viability in Pair Programming - An Empirical Study. XP 2006: 43-52
25		Panagiotis Sfetsos, Lefteris Angelis, Ioannis Stamelos: Investigating the extreme programming system-An empirical study. Empirical Software Engineering 11(2): 269-301 (2006)
24		Sulayman K. Sowe, Ioannis Stamelos, Lefteris Angelis: Identifying knowledge brokers that yield software engineering knowledge in OSS projects. Information & Software Technology 48(11): 1025-1033 (2006)
23		Panagiotis Sentas, Lefteris Angelis: Categorical missing data imputation for software cost estimation by multinomial logistic regression. Journal of Systems and Software 79(3): 404-414 (2006)
	2005
22		Theodosios Theodosiou, Lefteris Angelis, Athena Vakali: Functional Annotation of Genes through Statistical Analysis of Biomedical Articles. DEXA Workshops 2005: 585-589
21		Panagiotis Sentas, Lefteris Angelis: Survival Analysis for the Duration of Software Projects. IEEE METRICS 2005: 5
20		George Pallis, Lefteris Angelis, Athena Vakali: Model-Based Cluster Analysis for Web Users Sessions. ISMIS 2005: 219-227
19		Panagiotis Sentas, Lefteris Angelis, Ioannis Stamelos, Georgios L. Bleris: Software productivity and effort prediction with ordinal regression. Information & Software Technology 47(1): 17-29 (2005)
18		Grigorios Tsoumakas, Lefteris Angelis, Ioannis P. Vlahavas: Selective fusion of heterogeneous classifiers. Intell. Data Anal. 9(6): 511-525 (2005)
	2004
17		George Pallis, Lefteris Angelis, Athena Vakali, Jaroslav Pokorný: A probabilistic validation algorithm for Web users' clusters. SMC (5) 2004: 4129-4134
16		Panagiotis Sfetsos, Lefteris Angelis, Ioannis Stamelos, Georgios L. Bleris: Evaluating the Extreme Programming System - An Empirical Study. XP 2004: 227-230
15		Ioannis Samoladas, Ioannis Stamelos, Lefteris Angelis, Apostolos Oikonomou: Open source software development should strive for even greater code maintainability. Commun. ACM 47(10): 83-87 (2004)
14		Grigorios Tsoumakas, Lefteris Angelis, Ioannis P. Vlahavas: Clustering classifiers for knowledge discovery from physically distributed databases. Data Knowl. Eng. 49(3): 223-242 (2004)
13		Ignatios S. Deligiannis, Ioannis Stamelos, Lefteris Angelis, Manos Roumeliotis, Martin J. Shepperd: A controlled experiment investigation of an object-oriented design heuristic for maintainability. Journal of Systems and Software 72(2): 129-143 (2004)
12		Evimaria Terzi, Athena Vakali, Lefteris Angelis: A simulated annealing approach for multimedia data placement. Journal of Systems and Software 73(3): 467-480 (2004)
	2003
11		George Pallis, Athena Vakali, Lefteris Angelis, Mohand-Said Hacid: A Study on Workload Characterization for a Web Proxy Server. Applied Informatics 2003: 779-784
10		Athanasis Karoulis, Ioannis Stamelos, Lefteris Angelis, Andreas S. Pombortsis: A Controlled Experiment Investigation on the Impact of an Instructional Tool for Personalized Learning. ICALT 2003: 354-355
9		Ioannis Stamelos, Lefteris Angelis, P. Dimou, E. Sakellaris: On the use of Bayesian belief networks for the prediction of software productivity. Information & Software Technology 45(1): 51-60 (2003)
	2002
8		Lefteris Angelis, Ioannis Stamelos: Reply to comments by M. Jorgensen, on the paper: `A Simulation Tool for Efficient Analogy Based Cost Estimation' by L. Angelis and I. Stamelos, Published in Empirical Software Engineering. Empirical Software Engineering 7(4): 375-376 (2002)
7		Ioannis Stamelos, Lefteris Angelis, Apostolos Oikonomou, Georgios L. Bleris: Code quality analysis in open source software development. Inf. Syst. J. 12(1): 43-60 (2002)
6		I. P. Antoniades, Ioannis Stamelos, Lefteris Angelis, Georgios L. Bleris: A novel simulation model for the development process of open source software projects. Software Process: Improvement and Practice 7(3-4): 173-188 (2002)
	2001
5		Lefteris Angelis, Ioannis Stamelos, Maurizio Morisio: Building A Software Cost Estimation Model Based On Categorical Data. IEEE METRICS 2001: 4-15
4		Ioannis Stamelos, Lefteris Angelis: Managing uncertainty in project portfolio cost estimation. Information & Software Technology 43(13): 759-768 (2001)
3		Athena Vakali, Lefteris Angelis, Dimitra Pournara: Internet based auctions: a survey on models and applications. SIGecom Exchanges 2(2): 6-15 (2001)
2		Athena Vakali, Lefteris Angelis, Dimitra Pournara: Internet based auctions: a survey on models and applications. SIGecom Exchanges 2(3): 6-15 (2001)
	2000
1		Lefteris Angelis, Ioannis Stamelos: A Simulation Tool for Efficient Analogy Based Cost Estimation. Empirical Software Engineering 5(1): 35-68 (2000)

Coauthor Index

1	I. P. Antoniades	[6]
2	Marinos Athanasiades	[37]
3	Stamatia Bibi	[36]
4	Georgios L. Bleris	[6] [7] [16] [19] [30]
5	Nikos Darzentas	[40]
6	Ignatios S. Deligiannis	[13] [26] [45]
7	Nikolaos Dimokas	[42]
8	P. Dimou	[9]
9	Robert Feldt	[44] [46]
10	Tony Gorschek	[46]
11	Mohand-Said Hacid	[11]
12	Athanasis Karoulis	[10] [27]
13	Panagiotis Katsaros	[31]
14	Mahvish Khurum	[46]
15	Constantine Lazos	[31]
16	Yannis Manolopoulos	[32]
17	Stelios I. Marnas	[30]
18	Nikolaos Mittas	[33] [37] [41] [42] [43]
19	Maurizio Morisio	[5]
20	Alexandros Nanopoulos	[42]
21	Apostolos Oikonomou	[7] [15]
22	Christos A. Ouzounis	[40]
23	George Pallis	[11] [17] [20] [28]
24	Jaroslav Pokorný	[17]
25	Andreas S. Pomportsis (Andreas S. Pombortsis)	[10]
26	Dimitra Pournara	[2] [3]
27	Manos Roumeliotis	[13]
28	Per Rovegard	[38]
29	E. Sakellaris	[9]
30	Ioannis Samoladas	[15]
31	Maria Samuelsson	[44]
32	Panagiotis Sentas	[19] [21] [23] [39]
33	Panagiotis Sfetsos	[16] [25] [26] [45]
34	Martin J. Shepperd	[13]
35	Sulayman K. Sowe	[24] [32] [34]
36	Ioannis Stamelos	[1] [4] [5] [6] [7] [8] [9] [10] [13] [15] [16] [19] [24] [25] [26] [27] [32] [34] [36] [39] [45]
37	Evimaria Terzi	[12]
38	Theodosios Theodosiou	[22] [29] [35] [40]
39	G. N. Thomopoulos	[29]
40	Richard Torkar	[44]
41	Grigorios Tsoumakas	[14] [18]
42	Athena Vakali	[2] [3] [11] [12] [17] [20] [22] [28] [29] [35]
43	Ioannis P. Vlahavas	[14] [18]
44	Claes Wohlin	[38]