. . . . "RPO-RAG: Aligning Small LLMs with Relation-aware Preference Optimization for Knowledge Graph Question Answering" . . . . . . . . . . . . . . . . "Direct Preference Optimization" . . "GCR" . . "GNN-RAG" . . "GraftNet" . . "NSM" . . . "RPO-RAG is a KG-based RAG framework designed for small LLMs to improve their performance on Knowledge Graph Question Answering. It introduces a query-path semantic sampling strategy, relation-aware preference optimization at the relation level, and an answer-centered prompt design. These components collectively enable a synergistic reasoning approach where the LLM's reasoning process is deeply aligned with the structured knowledge and relational logic of the KG." . "RPO-RAG" . . . "RoG" . . "SR+NSM" . . "SR" . . "SimPO" . . "SubgraphRAG" . . "ToG" . . "UniKGQA" . . . "2026-02-26T16:10:59.187Z"^^ . . . "LLM-KG assessment for paper 10.48550/arXiv.2601.19225" . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwNz2QK3SEifno78S7+48zUB0xpTex3mAzW73ZimHqNcdEMU5/apslrGrTHGFAt/Chocgo++r6JQp5ygY7NyJHGWdaIqnt85pjX4PbNfLAvapyUO00qZP34fY61w4eZ9UMtleWEsmZKRtQPyJ8ODl46i/rfPuZlcJGpM9Nmy5mpGWuepqIEvF4a/t7pLVeCEDFSYXT+yaiygt6ynIK5f7TtEDhZpeUf/Q74WhMPJXm4yTU/hqOX4IW+50kWHNArGGZwUaXwzyG6M3Zd6UMModryGkLqS4H/MSE3ZA1Ylnms7BfWLEXhMWlaKi6HRV4nGRDLhxVSi9LSRi3LWKLhNIIQIDAQAB" . "VvTby+rSnVFiXkpCMhXn7nhW8ur5jv44eBpQrBaSwBS+YxYmy7LnOIVp/koYWBh//LXGITJmb0tIg2PFTnLbemlthVwp35QCUBaeC86CYaU5OvK6yavr76L6KzBpIUfMbXv880XOAKE6qjMcZyVj9qbQ2kYc15SswPe9SkXykDkv1uzceq4FgG0kJf51TpUgXFEzG+XFP5Q12XYvZxlqRfdM09OcrguXwECOJSsXxsDpy5/fwZY/TVSd3xI600DYUOlbZI1yFq2+sl0Znl73NqpDrOU35k7oBBxo4awjELFJSlJmP7dPdaRJ4yOsj+LKJe+QDD3iRhCIu7o3raS1Xw==" . . .