12th International Conference on Parallel, Distributed Computing Technologies and Applications (PDCTA 2023)


July 22 ~ 23, 2023, Toronto, Canada

https://ccsit2023.org/pdcta/index

Scope & Topics

12th International Conference on Parallel, Distributed Computing Technologies and Applications (PDCTA 2023) will provide an excellent international forum for sharing knowledge and results in theory, methodology and applications of Parallel, Distributed Computing. Original papers are invited on Algorithms and Applications, computer Networks, Cyber trust and security, Wireless networks and mobile computing and Bioinformatics. The aim of the conference is to provide a platform to the researchers and practitioners from both academia as well as industry to meet and share cutting-edge development in the field.

Topics of interest

Algorithms and Applications

  • Theory of Parallel/Distributed Computing
  • Parallel Algorithms and their Implementation
  • Resource Allocation and Management
  • Task Mapping and Job Scheduling
  • Network Routing and Communication Algorithms
  • Distributed Data and Knowledge Based Systems
  • Neural Networks
  • Super Computing
  • Personal Computing
  • Pervasive Computing
  • Heterogeneous Computing
  • Image Processing and Computer Graphics
  • Database Applications and Data Mining
  • Biological/Molecular Computing

Software Systems and Technologies

  • Formal Methods and Programming Languages
  • Web Technologies
  • Performance Evaluation and Measurements
  • Tools and Environments for Software Development
  • Visualization
  • Parallelizing Compilers
  • Internet Computing
  • Component-based and OO Technology
  • Optimization
  • Parallel Processing
  • Language, Compliers and Operating Systems
  • Reliability, Reusability, Scheduling
  • Modeling and Simulation

Networking and Architectures

  • Wireless Networks and Protocols
  • Mobile Computing
  • Peer to Peer Networks
  • ATM Networks
  • Optical Networks
  • Reliability and Fault-tolerance
  • IP/ATM Networks
  • Security
  • Interconnection Networks
  • Computer Networks
  • Parallel/Distributed Architectures
  • Communication
  • Multimedia Systems

Paper Submission

Authors are invited to submit papers through the conference Submission System by October 29, 2022. Submissions must be original and should not have been published previously or be under consideration for publication while being evaluated for this conference. The proceedings of the conference will be published by Computer Science Conference Proceedings in Computer Science & Information Technology (CS & IT) series (Confirmed).

Selected papers from PDCTA 2023, after further revisions, will be published in the special issue of the following journals

Important Dates

Submission Deadline:October 29, 2022
Authors Notification:December 31, 2022
Final Manuscript Due:January 07, 2023

Contact Us

Here’s where you can reach us :  pdcta@ccsit2023.org or pdcta_conference@yahoo.com

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11th International Conference on Artificial Intelligence, Soft Computing (AISC 2023)


July 22 ~ 23, 2023, Toronto, Canada

https://ccsit2023.org/aisc/index

SCOPE

11th International Conference on Artificial Intelligence, Soft Computing (AISC 2023) will provide an excellent international forum for sharing knowledge and results in theory, methodology and applications of Artificial Intelligence, Soft Computing. The Conference looks for significant contributions to all major fields of the Artificial Intelligence, Soft Computing in theoretical and practical aspects. The aim of the conference is to provide a platform to the researchers and practitioners from both academia as well as industry to meet and share cutting-edge development in the field.

Authors are solicited to contribute to the Conference by submitting articles that illustrate research results, projects, surveying works and industrial experiences that describe significant advances in the areas of Computer Science and Information Technology.

TOPICS OF INTEREST

  • Artificial Intelligence
  • AI Algorithms
  • Artificial Intelligence tools & Applications
  • Automatic Control
  • Bioinformatics
  • Natural Language Processing
  • CAD Design & Testing
  • Computer Vision and Speech Understanding
  • Data Mining and Machine Learning Tools
  • Fuzzy Logic
  • Heuristic and AI Planning Strategies and Tools
  • Computational Theories of Learning
  • Hybrid Intelligent Systems
  • Information Retrieval
  • Intelligent System Architectures
  • Knowledge Representation
  • Knowledge-based Systems
  • Mechatronics
  • Multimedia & Cognitive Informatics
  • Parallel Processing
  • Robotics
  • Semantic Web Techniques and Technologies
  • Soft computing theory and Applications
  • Software & Hardware Architectures
  • Soft Computing
  • Fuzzy Systems
  • Neural Networks
  • Machine Learning
  • Probabilistic Reasoning
  • Evolutionary Computing
  • Pattern Recognition
  • Software Agents
  • Morphic Computing
  • Image processing
  • E-commerce, e-medicine
  • Rough Sets
  • Symbolic Machine Learning
  • Wavelet
  • Signal or Image Processing
  • Vision Recognition
  • Biomedical Engineering
  • Telecommunications
  • Reactive Distributed AI
  • Nano & Micro-systems
  • Data Visualization
  • Pervasive computing and ambient intelligence
  • Programming Languages
  • Reasoning and Evolution
  • Recent Trends and Developments
  • Web Intelligence Applications & Search

Paper Submission

Authors are invited to submit papers through the conference Submission System by October 29, 2022. Submissions must be original and should not have been published previously or be under consideration for publication while being evaluated for this conference. The proceedings of the conference will be published by Computer Science Conference Proceedings in Computer Science & Information Technology (CS & IT) series (Confirmed).

Selected papers from AISC 2023, after further revisions, will be published in the special issue of the following journals

IMPORTANT DATES

  • Submission Deadline : October 29, 2022
  • Authors Notification : December 31, 2022
  • Registration & Camera-Ready Paper Due : January 07, 2023

Contact Us

Here’s where you can reach us : aisc@ccsit2023.org or aisc_conf@yahoo.com

8th International Conference on Software Engineering (SOEN 2023)


July 22 ~ 23, 2023, Toronto, Canada

https://ccsit2023.org/soen/index

SCOPE

8th International Conference on Software Engineering (SOEN 2023) will provide an excellent international forum for sharing knowledge and results in theory, methodology and applications of Software Engineering and Applications. The goal of this Conference is to bring together researchers and practitioners from academia and industry to focus on understanding Modern software engineering concepts and establishing new collaborations in these areas.

Authors are solicited to contribute to the Conference by submitting articles that illustrate research results, projects, surveying works and industrial experiences that describe significant advances in the areas of Software Engineering and Applications.

TOPICS OF INTEREST

  • Advanced Topics in Software Engineering
  • Knowledge-based Systems and Formal Methods
  • Languages and Formal Methods
  • Managing Software Projects
  • Multimedia and Visual Software Engineering
  • Quality Management
  • Search Engines and Information Retrieval
  • Software Engineering Decision Making
  • Software Engineering Practice
  • Software Maintenance and Testing
  • The Software Process
  • Web Engineering

Paper Submission

Authors are invited to submit papers through the conference Submission System by October 29, 2022. Submissions must be original and should not have been published previously or be under consideration for publication while being evaluated for this conference. The proceedings of the conference will be published by Computer Science Conference Proceedings in Computer Science & Information Technology (CS & IT) series (Confirmed).

Selected papers from SOEN 2023, after further revisions, will be published in the special issue of the following journals

IMPORTANT DATES

  • Submission Deadline : October 29, 2022
  • Authors Notification : December 31, 2022
  • Registration & Camera-Ready Paper Due : January 07, 2023

Contact Us

Here’s where you can reach us : soen@ccsit2023.org or soenconf@yahoo.com

4th International Conference on Integrating Technology in Education (ITE 2023)


July 22 ~ 23, 2023, Toronto, Canada

https://ccsit2023.org/ite/index

SCOPE

4th International Conference on Integrating Technology in Education (ITE 2023) also aims to provide a platform for exchanging ideas in new emerging trends that needs more focus and exposure and will attempt to publish proposals that strengthen our goals.

Authors are solicited to contribute to the Conference by submitting articles that illustrate research results, projects, surveying works and industrial experiences that describe significant advances in the areas of Computer Science and Information Technology.

TOPICS OF INTEREST

  • Integrating technology in curriculum: Challenges & Strategies
  • Collaborative & Interactive Learning
  • Tools for 21st Century learning
  • Learning Analysis
  • Education Management Systems
  • Education Policy and Leadership
  • Business Education
  • Virtual and remote laboratories
  • Pedagogy Enhancement with E-Learning
  • Course Management Systems
  • Educating the educators
  • Professional Development for teachers in ICT
  • Teacher Evaluation
  • Web-based tools for education
  • Games and simulations in Education
  • Learning / Teaching Methodologies and Assessment
  • Curriculum, Research and Development
  • Counselor Education
  • Student Selection Criteria in Interdisciplinary Studies
  • Global Issues in Education and Research
  • Technology Support for Pervasive Learning
  • Artificial Intelligence, Robotics and Human computer Interaction in Education
  • Mobile/ubiquitous computing in education
  • Web 2.0, Social Networking, Blogs and Wikis
  • Multimedia in Education

PAPER SUBMISSION

Authors are invited to submit papers through the conference Submission System by October 29, 2022. Submissions must be original and should not have been published previously or be under consideration for publication while being evaluated for this conference. The proceedings of the conference will be published by Computer Science Conference Proceedings in Computer Science & Information Technology (CS & IT) series (Confirmed).

Selected papers from ITE 2023, after further revisions, will be published in the special issue of the following journals

  • International Journal on Integrating Technology in Education (IJITE)
  • International Journal of Education (IJE)

IMPORTANT DATES

  • Submission Deadline : October 29, 2022
  • Authors Notification : December 31, 2022
  • Registration & Camera-Ready Paper Due : January 07, 2023

CONTACT US

Here’s where you can reach us : ite@ccsit2023.org or iteconf@yahoo.com

8th International Conference on Data Mining & Knowledge Management (DaKM 2023)


July 22 ~ 23, 2023, Toronto, Canada

https://ccsit2023.org/dakm/index

SCOPE
8th International Conference on Data Mining & Knowledge Management (DaKM 2023) provides a forum for researchers who address this issue and to present their work in a peer-reviewed forum.Authors are solicited to contribute to the conference by submitting articles that illustrate research results, projects, surveying works and industrial experiences that describe significant advances in the following areas, but are not limited to these topics only.

TOPICS OF INTEREST

Data Mining Foundations

  • Parallel and Distributed Data Mining Algorithms
  • Data Streams Mining, Graph Mining
  • Spatial Data Mining, Text Video
  • Multimedia Data Mining, Web Mining
  • Pre-processing Techniques, Visualization
  • Security and Information Hiding in Data Mining

Data Mining Applications

  • Databases, Bioinformatics
  • Biometrics
  • Image Analysis
  • Financial Modeling
  • Forecasting, Classification
  • Clustering
  • Social Networks
  • Educational Data Mining

Knowledge Processing

  • Data and Knowledge Representation
  • Knowledge Discovery Framework and Process
  • Including Pre- and Post-processing
  • Integration of Data Warehousing
  • OLAP and Data Mining
  • Integrating Constraints and Knowledge in the KDD Process
  • Exploring Data Analysis, Inference of Causes
  • Prediction, Evaluating
  • Consolidating, and Explaining Discovered Knowledge
  • Statistical Techniques for Generation a Robust
  • Consistent Data Model
  • Interactive Data Exploration/visualization and Discovery
  • Languages and Interfaces for Data Mining
  • Mining Trends
  • Opportunities and Risks
  • Mining from Low-Quality Information Sources

PAPER SUBMISSION

Authors are invited to submit papers through the conference Submission System by October 29, 2022. Submissions must be original and should not have been published previously or be under consideration for publication while being evaluated for this conference. The proceedings of the conference will be published by Computer Science Conference Proceedings in Computer Science & Information Technology (CS & IT) series (Confirmed).

Selected papers from DaKM 2023, after further revisions, will be published in the special issue of the following journals

International Journal of Database Management Systems (IJDMS) – WJCI IndexedInternational Journal of Data Mining & Knowledge Management Process (IJDKP) – WJCI IndexedInternational Journal of Grid Computing & Applications (IJGCA)Information Technology in Industry (ITII)

IMPORTANT DATES

Submission Deadline : October 29, 2022

Authors Notification : December 31, 2022

Registration & Camera-Ready Paper Due : January 07, 2023

Contact Us

Here’s where you can reach us : dakm@ccsit2023.org or dakmconf@yahoo.com

8th International Conference on Networks, Communications, Wireless and Mobile Computing (NCWMC 2023)


July 22 ~ 23, 2023, Toronto, Canada

https://ccsit2023.org/ncwmc/index

SCOPE

8th International Conference on Networks, Communications, Wireless and Mobile Computing (NCWMC 2023) looks for significant contributions to the Computer Networks, Communications, wireless and mobile computing for wired and wireless networks in theoretical and practical aspects. Original papers are invited on computer Networks, network protocols and wireless networks, Data communication Technologies, network security and mobile computing. The goal of this Conference is to bring together researchers and practitioners from academia and industry to focus on advanced networking concepts and establishing new collaborations in these areas.

TOPICS OF INTEREST

  • Communication Network Architectures and Design
  • Communication Network Protocols
  • Discrete Algorithms and Discrete Modeling
  • Emerging Technologies for Next Generation Network
  • Future Internet Architecture, Protocols and Services
  • Mobile and Wireless Networks
  • Network Applications
  • Network Operation and Management
  • Network Security and Privacy
  • Network Services and Applications
  • Ubiquitous Networks and Cloud Computing
  • Wireless and Mobile Computing
  • Algorithms and Modeling for Tracking and Locating Mobile Users
  • Cryptography, Security and Privacy of mobile and Wireless Networks
  • Data Management on Mobile and Wireless Computing
  • Integration of Wired and Wireless Systems
  • Mobile Ad Hoc and Sensor networks
  • Performance of Mobile and Wireless Networks and Systems
  • Recent Trends in Mobile and Wireless Applications
  • Resource Management in mobile, Wireless and Ad-Hoc Networks
  • Routing, and Communication primitives in Ad Hoc and Sensor Networks
  • Satellite Communications
  • Service Creation and Management Environments for Mobile/Wireless Systems
  • Synchronization and Scheduling Issues in Mobile and Ad Hoc Networks
  • Wireless & Mobile Issues related to OS
  • Wireless Multimedia Systems

Paper Submission

Authors are invited to submit papers through the conference Submission System by October 29, 2022. Submissions must be original and should not have been published previously or be under consideration for publication while being evaluated for this conference. The proceedings of the conference will be published by Computer Science Conference Proceedings in Computer Science & Information Technology (CS & IT) series (Confirmed).

Selected papers from NCWMC 2023, after further revisions, will be published in the special issue of the following journals

IMPORTANT DATES

  • Submission Deadline : October 29, 2022
  • Authors Notification : December 31, 2022
  • Registration & Camera-Ready Paper Due : January 07, 2023

Contact us

Here’s where you can reach us : ncwmc@ccsit2023.org or ncwmcconf@yahoo.com

11th International Conference on Signal, Image Processing and Pattern Recognition (SIPP 2023)


https://ccsit2023.org/sipp/index

July 22 ~ 23, 2023, Toronto, Canada

SCOPE

11th International Conference on Signal, Image Processing and Pattern Recognition (SIPP 2023) is a forum for presenting new advances and research results in the fields of Signal and Image Processing. The conference will bring together leading researchers, engineers and scientists in the domain of interest from around the world.

Authors are solicited to contribute to the conference by submitting articles that illustrate research results, projects, surveying works and industrial experiences.

TOPICS OF INTEREST

  • Image Acquisition & Medical Image Processing
  • Pattern Recognition and Analysis
  • Visualization
  • Image Coding and Compression
  • Face Recognition & Super-Resolution Imaging
  • Image Segmentation
  • 3-D and Surface Reconstruction
  • 3D and Stereo Imaging
  • Analog and Mixed Signal Processing
  • Application & Others
  • Applications (Biomedical, Bioinformatics, Genomic, Seismic, Radar, Sonar, Remote Sensing, Positioning, etc.)
  • Array Signal Processing
  • Audio/Speech Processing and Coding
  • Digital & Mobile Signal Processing
  • Statistical & Optical Signal Processing
  • Data Mining Techniques
  • Motion Detection
  • Content-Based Image Retrieval
  • Video Signal Processing
  • Watermarking
  • Detection and Estimation of Signal Parameters
  • Signal Identification
  • Nonlinear Signals and Systems
  • Time-Frequency Signal Analysis
  • Signal Reconstruction
  • Knowledge Representation and High-Level Vision
  • Medical Image Analysis
  • Motion and Tracking Stereo and Structure from Motion
  • Multidimensional Signal Processing
  • Multi-View Geometry
  • Neural Networks and Genetic Algorithms
  • Object Detection, Recognition and Categorization
  • Pattern Recognition in New Modalities
  • PDE for Image Processing
  • Spectral Analysis
  • Filter Design and Structures
  • FIR, IIR, Adaptive Filters
  • Signal Noise Control
  • Multiple Filtering and Filter Banks
  • Performance Evaluation
  • Radar Signal Processing
  • Remote Sensing
  • Segmentation
  • Sensor Array and Multi-Channel Processing
  • Biomedical Imaging Technologies
  • Biometrics and Pattern Recognition
  • Cognitive and Biologically-Inspired Vision
  • Color and Texture
  • Communication Signal processing
  • Computer Communication and Networks
  • Computer Vision & VR
  • Constraint Processing
  • Distributed Source Coding
  • Document Recognition
  • DSP Implementation and Embedded Systems
  • Face and Gesture
  • Hardware Implementation for Signal Processing
  • Higher Order Spectral Analysis
  • Illumination and Reflectance Modeling
  • Image and Video Retrieval
  • Image Processing & Understanding
  • Image-Based Modeling
  • Internet Signal Processing
  • Sonar Signal Processing and Localization
  • Speech, Audio and Music Processing
  • Statistic Learning & Pattern Recognition
  • Text Processing
  • Time-Frequency/Time-Scale Analysis
  • Video Analysis and Event Recognition
  • Video Compression & Streaming
  • Video Surveillance and Monitoring
  • Shape Representation
  • Signal Processing Education
Paper Submission

Authors are invited to submit papers through the conference Submission System by October 29, 2022. Submissions must be original and should not have been published previously or be under consideration for publication while being evaluated for this conference. The proceedings of the conference will be published by Computer Science Conference Proceedings in Computer Science & Information Technology (CS & IT) series (Confirmed).

Selected papers from SIPP 2023, after further revisions, will be published in the special issue of the following journals

IMPORTANT DATES

  • Submission Deadline : October 29, 2022
  • Authors Notification : December 31, 2022
  • Registration & Camera-Ready Paper Due : January 07, 2023

Contact Us:

Here’s where you can reach us : sipp@ccsit2023.org or sipp_conf@yahoo.com

13th International Conference on Computer Science and Information Technology (CCSIT 2023)


July 22 ~ 23, 2023, Toronto, Canada

https://ccsit2023.org/index

Scope

13th International Conference on Computer Science and Information Technology (CCSIT 2023) will provide an excellent international forum for sharing knowledge and results in theory, methodology and applications of Computer Science and Information Technology. The Conference looks for significant contributions to all major fields of the Computer Science and Information Technology in theoretical and practical aspects. The aim of the conference is to provide a platform to the researchers and practitioners from both academia as well as industry to meet and share cutting-edge development in the field.

Authors are solicited to contribute to the Conference by submitting articles that illustrate research results, projects, surveying works and industrial experiences that describe significant advances in the areas of Computer Science and Information Technology.

Topics of interest include, but are not limited to, the following

  • Algorithms and Bioinformatics
  • Big Data
  • Blockchain
  • Computer Architecture and Real time Systems
  • Database and Data Mining
  • Deep Learning
  • Dependable, reliable and autonomic computing
  • Distributed and parallel systems & algorithms
  • DSP/Image Processing/Pattern Recognition/Multimedia
  • Embedded system and software
  • Game and software engineering
  • Geographical Information Systems/ Global Navigation Satellite Systems (GIS/GNSS)
  • Grid and scalable computing
  • Internet of Things
  • Intelligent Information & Database Systems
  • IT policy and business management
  • Mobile and ubiquitous computing
  • Modeling and Simulation
  • Multimedia systems and services
  • Machine Learning & Applications
  • NLP
  • Networking and communications
  • Parallel and Distributed Systems
  • Security and Information Assurance
  • Soft Computing (AI, Neural Networks, Fuzzy Systems, etc.)
  • Software Engineering
  • Web and internet computing

    Paper Submission

Authors are invited to submit papers through the conference Submission System by October 29, 2022. Submissions must be original and should not have been published previously or be under consideration for publication while being evaluated for this conference. The proceedings of the conference will be published by Computer Science Conference Proceedings in Computer Science & Information Technology (CS & IT) series (Confirmed).

Selected papers from CCSIT 2023, after further revisions, will be published in the special issue of the following journal.

Important Dates
Submission Deadline: October 29, 2022
Authors Notification: December 31, 2022
Registration & camera – Ready Paper Due       : January 07, 2023

Contact Us

Here’s where you can reach us:  ccsit@ccsit2023.org or ccsit_conf@yahoo.com


4th International conference on Big Data, Machine learning and Applications (BIGML 2023)

July 22 ~ 23, 2023, Toronto, Canada

https://ccsit2023.org/bigml/index

SCOPE

4th International conference on Big Data, Machine learning and Applications (BIGML 2023) will provide an excellent international forum for sharing knowledge and results in theory, methodology and applications of Big data and Machine Learning. The aim of the conference is to provide a platform to the researchers and practitioners from both academia as well as industry to meet and share cutting-edge development in the field.

TOPICS OF INTEREST

Big Data

    • Big Data Techniques, models and algorithms
    • Big Data Infrastructure and platform
    • Big Data Search and Mining
    • Big Data Security, Privacy and Trust
    • Big Data Applications, Bioinformatics, Multimedia etc
    • Big Data Tools and systems
    • Big Data Mining
    • Big Data Management
    • Cloud and grid computing for Big Data
    • Machine Learning and AI for Big Data
    • Big Data Analytics and Social Media
    • 5G and Networks for Big Data

Machine learning & Applications

  • Applications
  • Learning in knowledge-intensive systems
  • Learning Methods and analysis
  • Learning Problems
  • Smart city
  • Fog Computing
  • Cloud Computing
  • IoT
  • Computer Vision
  • Bayesian Network
  • Data Mining

Paper Submission

Authors are invited to submit papers through the conference Submission System by October 29, 2022. Submissions must be original and should not have been published previously or be under consideration for publication while being evaluated for this conference. The proceedings of the conference will be published by Computer Science Conference Proceedings in Computer Science & Information Technology (CS & IT) series (Confirmed).

Selected papers from BIGML 2023, after further revisions, will be published in the special issue of the following journals

IMPORTANT DATES

  • Submission Deadline : October 29, 2022
  • Authors Notification : December 31, 2022
  • Registration & Camera-Ready Paper Due : January 07, 2023

Contact Us

Here’s where you can reach us : bigml@ccsit2023.org or bigmlconf@yahoo.com

4th International Conference on Natural Language Processing and Computational Linguistics (NLPCL 2023)


July 22 ~ 23, 2023, Toronto, Canada

https://ccsit2023.org/nlpcl/index

SCOPE

4th International Conference on Natural Language Processing and Computational Linguistics (NLPCL 2023) will provide an excellent international forum for sharing knowledge and results in theory, methodology and applications of Natural Language Computing and Computational Linguistics. The Conference looks for significant contributions to all major fields of the Natural Language processing and Computational Linguistics in theoretical and practical aspects.

Authors are solicited to contribute to the Conference by submitting articles that illustrate research results, projects, surveying works and industrial experiences that describe significant advances in the areas of Computer Science and Information Technology.

TOPICS OF INTEREST

  • Chunking / Shallow Parsing
  • Dialog Systems
  • Discourse
  • Information Extraction
  • Information Retrieval
  • Lexical Semantics
  • Linguistic Resources
  • Machine Learning in NLP
  • Machine Translation
  • NLP for Digital Humanities
  • NLP for Educational Purposes
  • NLP for Language Documentation and Preservation
  • Ontology
  • Paraphrasing / Entailment / Generation
  • Parsing / Grammatical Formalisms
  • Phonology, Morphology
  • POS tagging
  • Question Answering
  • Semantic Processing
  • Speech Recognition and Synthesis
  • Spoken Language Processing
  • Text Mining
Paper Submission

Authors are invited to submit papers through the conference Submission System by October 29, 2022. Submissions must be original and should not have been published previously or be under consideration for publication while being evaluated for this conference. The proceedings of the conference will be published by Computer Science Conference Proceedings in Computer Science & Information Technology (CS & IT) series (Confirmed).

Selected papers from NLPCL 2023, after further revisions, will be published in the special issue of the following journals

IMPORTANT DATES

Submission Deadline : October 29, 2022
Authors Notification : December 31, 2022
Registration & Camera-Ready Paper Due : January 07, 2023

Contact Us

Here’s where you can reach us : nlpcl@ccsit2023.org or nlpclconference@yahoo.com

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