Problem families

https://momo54.github.io/fedlit/family

Foundations & languages: What does a federated or Web-wide query mean? (14 papers)
Source selection & discovery: Which sources should be queried? (40 papers)
Optimization & execution: How to plan and execute efficiently? (49 papers)
Reliable, low-cost interfaces: How can a server stay available and give complete answers? (34 papers)
Approximation & sampling: How to answer approximately, with a known error? (8 papers)
Heterogeneous sources & extended queries: How to federate beyond SPARQL endpoints? (29 papers)
Evaluation & benchmarks: How to measure, and are the testbeds realistic? (20 papers)
Practice & field observation: What happens on real endpoints? (34 papers)
Trust, security, provenance, incentives: Who may see what, where does an answer come from, who pays? (45 papers)
Decentralized architectures (Solid, P2P): How to organize knowledge graphs without a centre? (41 papers)
LLMs & agents: Can LLMs and agents generate or run federated queries? (5 papers)

Also as Turtle and JSON-LD.