Collaborative Computing -- Enhanced Sound Recognition and Classification through Spectrogram Analysis, MEMS Sensors, and PyTorch: A Comprehensive Approach -- TCP Cubic Implementation in the OMNeT++ INET Framework for SIoT Simulation Scenarios -- Implementation Framework of a Blockchain Based Infrastructure for Electricity Trading within a Microgrid -- Resource Cooperative Scheduling Optimization Considering Security in Edge Mobile Networks -- Edge Computing & Collaborative working -- DQN-based Applications Offloading with Multiple Interdenpendent Tasks in Mobile Edge Computing -- Edge Server Deployment Approach Based on Uniformity and Centrality -- Budget-constrained Contention-aware Workflow Scheduling in a Hybrid Cloud -- A Dichotomous Repair-based Load-Balanced Task Allocation Strategy in Cloud-Edge Environment -- DPIM: Dynamic Pricing Incentive Mechanism for Mobile Crowd Sensing -- Blockchain applications -- Efficient and revocable anonymous account guarantee system based on blockchain -- Computing Resource Allocation for Hybrid Applications of Blockchain and Mobile Edge Computing -- Blockchain-Based EMR Enhancement: Introducing PMI-Chain for Improved Medical Data Security and Privacy -- BGET: A Blockchain-based Grouping-EigenTrust Reputation Management Approach for P2P Networks -- Privacy-Preserving Blockchain Supervision with Responsibility Tracking -- Code Search and Completion -- JARAD: An Approach for Java API Mention Recognition and Disambiguation in Stack Overflow -- Enrich Code Search Query Semantics With Raw Descriptions -- A code completion approach combining pointer network and Transformer-XL network -- A Code Search Method Incorporating Code Annotations -- CUTE A Collaborative Fusion Representation-based Fine-tuning and Retrieval Framework for CodeSearch -- Edge Computing Scheduling and Offloading -- Roadside IRS Assisted Task Offloading in Vehicular Edge Computing Network -- Collaborative Task Processing and Resource Allocation Based on Multiple MEC Servers -- Collaborative Cloud-Edge Computing with Mixed Wireless and Wired Backhaul Links: Joint Task Offloading and Resource Allocation -- Dynamic offloading based on meta deep reinforcement learning and load prediction in smart home edge computing. .

The three-volume set LNICST 561, 562 563 constitutes the refereed post-conference proceedings of the 19th EAI International Conference on Collaborative Computing: Networking, Applications and Worksharing, CollaborateCom 2023, held in Corfu Island, Greece, during October 4-6, 2023. The 72 full papers presented in these proceedings were carefully reviewed and selected from 176 submissions. The papers are organized in the following topical sections: Volume I : Collaborative Computing, Edge Computing & Collaborative working, Blockchain applications, Code Search and Completion, Edge Computing Scheduling and Offloading. Volume II: Deep Learning and Application, Graph Computing, Security and Privacy Protection and Processing and Recognition. Volume III: Onsite Session Day2, Federated learning and application, Collaborative working, Edge Computing and Prediction, Optimization and Applications.