Collaborative Role Management for Sharing Protected Web Resources. - Sylvia B. Encheva; Sharil Tumin (CDVE, 2004)

Cooperative Learning Objects in an Intelligent Web-Based Tutoring System. - Sylvia B. Encheva; Sharil Tumin (AICT/SAPIR/ELETE, 2005)

Security Concerns for Web Services and Applications. - Sylvia B. Encheva; Sharil Tumin (ASIAN, 2005)

Cooperative Shared Learning Objects in an Intelligent Web-Based Tutoring System Environment. - Sylvia B. Encheva; Sharil Tumin (CDVE, 2005)

Sharing Protected Web Resources Among Independent Educational Organizations. - Sylvia B. Encheva; Sharil Tumin (IICAI, 2005)

Response-Driven Web-Based Assessment System. - Sylvia B. Encheva; Sharil Tumin (KES (3), 2005)

On Secure Framework for Web Services in Untrusted Environment. - Sylvia B. Encheva; Sharil Tumin (OTM Workshops, 2005)

Web-Based Assessment Tests Supporting Learning. - Sylvia B. Encheva; Sharil Tumin (WISE Workshops, 2005)

Automated Discovering of What is Hindering the Learning Performance of a Student. - Sylvia B. Encheva; Sharil Tumin (APWeb, 2006)

Sharing Protected Web Resources Using Distributed Role-Based Modeling. - Sylvia B. Encheva; Sharil Tumin (APWeb, 2006)

Application of Association Rules for Finding Correlations Among Students Preliminary Knowledge. - Sylvia B. Encheva; Sharil Tumin (CDVE, 2006)

A Tutoring System Discovering Gaps in the Current Body of Students' Knowledge. - Sylvia B. Encheva; Sharil Tumin (AIAI, 2006)

Safe Use of Protected Web Resources. - Sylvia B. Encheva; Sharil Tumin (IIP, 2006)

Efficient Knowledge Assessment Based on Convex Geometries. - Sylvia B. Encheva; Sharil Tumin (IIP, 2006)

Application of Association Rules for Efficient Learning Work-Flow. - Sylvia B. Encheva; Sharil Tumin (IIP, 2006)

Federated Knowledge Spaces. - Sylvia B. Encheva; Sharil Tumin; Maryna Z. Solesvik (AICT, 2007)

Application of Paraconsistent Logic in an Intelligent Tutoring System. - Sylvia B. Encheva; Sharil Tumin; Maryna Z. Solesvik (CDVE, 2007)

Non-classical Logic in an Intelligent Assessment Sub-system. - Sylvia B. Encheva; Yuriy P. Kondratenko; Sharil Tumin; Sanjay Kumar Khattri (ICCSA (1), 2007)

Application of Paraconsistent Annotated Logic in Intelligent Systems. - Sylvia B. Encheva; Sharil Tumin; Yuriy P. Kondratenko (ICIC (1), 2007)

Belnap's Logic in Sharing Protected Web Resources. - Sylvia B. Encheva; Sharil Tumin (KES (2), 2007)

Knowledge Assessment Based on Many-Valued Logic. - Sylvia B. Encheva; Sharil Tumin (KES (2), 2007)

Intelligent Decision Support System for Evaluation of Ship Designers. - Sylvia B. Encheva; Sharil Tumin; Maryna Z. Solesvik (KES (1), 2007)

Application of Stratified Lattice Structures in Assessment of Knowledge. - Sylvia B. Encheva; Sharil Tumin (MUE, 2007)

Positive and Negative Authorizations to Access Protected Web Resources. - Sylvia B. Encheva; Sharil Tumin (NBiS, 2007)

Application of Default Logic in an Intelligent Tutoring System. - Sylvia B. Encheva; Sharil Tumin (NBiS, 2007)

Management of Inconsistent Data. - Sylvia B. Encheva; Sharil Tumin (OTM Workshops (2), 2007)

Visualization of Cooperative Options for Small Maritime Companies. - Sylvia B. Encheva; Sharil Tumin (CDVE, 2008)

On Improving Quality of the Decision Making Process in a Federated Learning System. - Sylvia B. Encheva; Sharil Tumin (CDVE, 2008)

Cooperative User-Centric Digital Identity Management Framework for Public Web Portals. - Sylvia B. Encheva; Sharil Tumin (CDVE, 2008)

Fuzzy Knowledge Processing for Unveiling Correlations between Preliminary Knowledge and the Outcome of Learning New Knowledge. - Sylvia B. Encheva; Sharil Tumin (EIAT/IETA, 2008)

On Facilitating Automated Evaluation. - Sylvia B. Encheva; Sharil Tumin (e-Learning, 2008)

Inconsistency Management. - Sylvia B. Encheva; Sharil Tumin (ICIC (3), 2008)

A Mechanism for Federated Identification Services for Public Access Portals Using Access-Cards. - Sylvia B. Encheva; Sharil Tumin (ICSNC, 2008)

Automated Evaluation of Reusable Learning Objects via a Decision Support System. - Sylvia B. Encheva; Sharil Tumin (ICSNC, 2008)

On Attaining Higher Level of Certainty in Evaluation Processes. - Sylvia B. Encheva; Sharil Tumin (KES (1), 2008)

Collaboration Options for Small and Medium Size Enterprises. - Sylvia B. Encheva; Sharil Tumin (KES (1), 2008)

On Drawing Conclusions in Presence of Inconsistent Data. - Sylvia B. Encheva; Sharil Tumin (KES-AMSTA, 2008)

Reducing Assessment Complexity of Stem-Responses with Belnap's Logic. - Sylvia B. Encheva; Sharil Tumin (Innovative Techniques in Instruction Technology, E-learning, E-assessment, and Education, 2008)

Fuzzy Dependencies between Preparedness and Learning Outcome. - Sylvia B. Encheva; Sharil Tumin (AIAI, 2009)

Effectiveness of Business Alliances Partnerships. - Sylvia B. Encheva; Sharil Tumin (KES IIMSS, 2009)

Progress Evaluation Based on Fuzzy Relationships. - Sylvia B. Encheva; Sharil Tumin (KES IIMSS, 2009)

Automated Selection of New Business Interactions. - Sylvia B. Encheva; Sharil Tumin (J. Circuits Syst. Comput., 2009)

Web-Based Assessment System Applying Many-Valued Logic. - Sylvia B. Encheva; Sharil Tumin (Encyclopedia of Artificial Intelligence, 2009)

Partial Orderings for Ranking Help Functions. - Sylvia B. Encheva; Sharil Tumin (ACIIDS (2), 2010)

Cooperative Decision Making for Evaluating Ports' Reception Facilities. - Sylvia B. Encheva; Sharil Tumin (CDVE, 2010)

Web Engineering Process Matrix for Sustainable Deployment of Web-Based Applications. - Sharil Tumin; Sylvia B. Encheva (CDVE, 2010)

Diagnostic Tests Based on Knowledge States. - Sylvia B. Encheva; Sharil Tumin (ICCCI (3), 2010)

Rough Sets Approximations for Learning Outcomes. - Sylvia B. Encheva; Sharil Tumin (UCMA, 2010)

Lattices and collaborative design in shipbuilding. - Maryna Z. Solesvik; Sylvia B. Encheva; Sharil Tumin (Int. J. Bus. Inf. Syst., 2011)

Project Proposals Ranking Based on Closed Sets Properties. - Sylvia B. Encheva; Sharil Tumin; Marina Z. Solesvik (CDVE, 2012)

Providing Sustainable Workforce for Care Services Through Citizen Collaboration. - Sylvia B. Encheva; Sharil Tumin (CDVE, 2018)

Cooperative Dynamic Programmable Devices Using Actor Model for Embedded Systems of Microcontrollers. - Sylvia B. Encheva; Sharil Tumin (CDVE, 2021)

Simple E2EE Secure Communication Protocol for Tiny IoT Devices. - Sylvia B. Encheva; Sharil Tumin (CDVE, 2022)

Dynamic Secure Mesh for Collaborative Nodes of IoT Devices. - Sylvia B. Encheva; Sharil Tumin (CDVE, 2023)