This volume constitutes the papers of several workshops which were held in conjunction with the 28th International Conference on Database Systems for Advanced Applications, DASFAA 2023, held in Tanjin, China, in April 2023.The 23 revised full papers presented in this book were carefully reviewed and selected from 40 submissions. DASFAA 2023 presents the following four workshops:9th International Workshop on Big Data Management and Service (BDMS 2023), 8th International Workshop on Big Data Quality Management (BDQM 2023); 7th International Workshop on Graph Data Management and Analysis (GDMA 2023); 1st International Workshop on Bundle-based Recommendation Systems (BundleRS 2023).

Blood and blood products management system based on Blockchain, and NFT technologies.- ip2text: A Reasoning-Aware Dataset for Text.- Generation of Devices on the Internet.- Spatio-Textual Group Skyline Query.- Towards a cash-on-delivery management solution.- based on Blockchain, smart contracts, and NFT.- EGL: Efficient Graph Learning with Safety Constrains for Heterogeneous Trajectory.- Memory Enhanced Pretraining Transformer.- Cache-Enhanced InBatch Sampling with Difficulty-Based Replacement Strategies for Learning Recommenders.- Syndrome-aware Herb Recommendation with Heterogeneous Graph Neural Network.- Fault Prediction based on Traffic Light Data Cleaning.- Auto-TSA: an Automatic Time Series Analysis System based on Meta-learning.- Mobile Application Ranking with Transductive Transfer Learning.- Vessel trajectory segmentation: A survey.- Deep Normalization Cross-modal Retrieval for Trajectory and Image Matching.- C3BR: Category-aware Cross-view Contrastive Learning Framework for Bundle Recommendation.- Threat action extraction based on coreference resolution.- An Improved Method for Constructing Domain-Agnostic Knowledge Graphs.- Zero-shot Entity Typing in Knowledge Graphs.- Causal MRC: Mitigating Position Bias Based on Causal Graph.- Construct Fine-Grained Geospatial Knowledge Graph? .- A Multi-View Graph Learning Approach for Host-based Malicious Behavior Detection.- CECR: Collaborative Semantic Reasoning on the Cloud and Edge.- Data-Augmented Counterfactual Learning for Bundle Recommendation.- Multi-Domain Fake News Detection with Fuzzy Labels.