Tagged

Paper

Jan 21, 2026 Standalone 12 min read

Solving Constrained Mean-Variance Portfolio Optimization Using Spiral Optimization

Apply Spiral Optimization Algorithm (SOA) to mean-variance portfolio problems with buy-in thresholds and cardinality constraints. Covers MINLP formulation, penalty methods, and performance comparison.

Mar 31, 2025 Standalone 10 min read

Prefix-Tuning: Optimizing Continuous Prompts for Generation

Prefix-Tuning adapts frozen LLMs by learning continuous key/value vectors injected into attention. Covers the method, reparameterization, KV-cache mechanics, and comparisons with prompt tuning, adapters, and LoRA.

Oct 12, 2024 Standalone 13 min read

MoSLoRA: Mixture-of-Subspaces in Low-Rank Adaptation

MoSLoRA boosts LoRA expressivity by mixing multiple low-rank subspaces with a lightweight mixer. Covers when vanilla LoRA fails, mixer design choices, and tuning tips.

Dec 16, 2023 Standalone 11 min read

HCGR: Hyperbolic Contrastive Graph Representation Learning for Session-based Recommendation

HCGR embeds session graphs in the Lorentz model of hyperbolic space and trains them with InfoNCE-style contrastive learning. This review unpacks why hierarchical session intent fits hyperbolic geometry, how Lorentz …

Aug 22, 2023 Standalone 10 min read

paper2repo: GitHub Repository Recommendation for Academic Papers

paper2repo aligns academic papers with GitHub repositories in a shared embedding space using a constrained GCN. Covers the joint heterogeneous graph, the WARP ranking loss, the cosine alignment constraint, and the full …

Jul 13, 2023 Standalone 14 min read

Session-based Recommendation with Graph Neural Networks (SR-GNN)

SR-GNN turns a click session into a directed weighted graph and runs a gated GNN to predict the next item. Covers session-graph construction, GGNN updates, attention-based session pooling, training, benchmarks, and the …

Jan 15, 2023 Standalone 12 min read

Graph Contextualized Self-Attention Network (GC-SAN) for Session-based Recommendation

GC-SAN combines a session-graph GGNN (local transitions) with multi-layer self-attention (global dependencies) for session-based recommendation. Covers graph construction, message passing, attention fusion, and where the …

Nov 26, 2022 Standalone 12 min read

LLMGR: Integrating Large Language Models with Graphical Session-Based Recommendation

LLMGR uses an LLM as the semantic engine for session-based recommendation and a GNN as the ranker. Covers the hybrid encoding layer, two-stage prompt tuning, ~8.68% HR@20 lift, and how to deploy without running an LLM …

Jul 22, 2022 Standalone 14 min read

Graph Neural Networks for Learning Equivariant Representations of Neural Networks

Represent a neural network as a directed graph (neurons as nodes, weights as edges) and use a GNN to produce permutation-equivariant embeddings. The right symmetry unlocks generalisation prediction, network …