{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:XE5RZBYTZBQ4CVWIR6NPDADCIT","short_pith_number":"pith:XE5RZBYT","canonical_record":{"source":{"id":"1511.09147","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-11-30T04:00:48Z","cross_cats_sorted":[],"title_canon_sha256":"10435d855207ec2e3452f4e65a25cba917fd2ea6ffd4ff3dba763111760b64e7","abstract_canon_sha256":"b1076f0674e1ec5e7674e4f60140755366f793a1400ee059eddbc467750b2420"},"schema_version":"1.0"},"canonical_sha256":"b93b1c8713c861c156c88f9af1806244ef49acc624180679fa55780acc51ebda","source":{"kind":"arxiv","id":"1511.09147","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.09147","created_at":"2026-05-18T01:24:38Z"},{"alias_kind":"arxiv_version","alias_value":"1511.09147v2","created_at":"2026-05-18T01:24:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.09147","created_at":"2026-05-18T01:24:38Z"},{"alias_kind":"pith_short_12","alias_value":"XE5RZBYTZBQ4","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"XE5RZBYTZBQ4CVWI","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"XE5RZBYT","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:XE5RZBYTZBQ4CVWIR6NPDADCIT","target":"record","payload":{"canonical_record":{"source":{"id":"1511.09147","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-11-30T04:00:48Z","cross_cats_sorted":[],"title_canon_sha256":"10435d855207ec2e3452f4e65a25cba917fd2ea6ffd4ff3dba763111760b64e7","abstract_canon_sha256":"b1076f0674e1ec5e7674e4f60140755366f793a1400ee059eddbc467750b2420"},"schema_version":"1.0"},"canonical_sha256":"b93b1c8713c861c156c88f9af1806244ef49acc624180679fa55780acc51ebda","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:38.002250Z","signature_b64":"sV52AvkLkBeIYA0KKpvtVhEvtu+TcyFHvzYh5jhVilkY1zgd60/X9KqNezbrKJlVAf7FD4V/lV+Ee3n0vEwjDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b93b1c8713c861c156c88f9af1806244ef49acc624180679fa55780acc51ebda","last_reissued_at":"2026-05-18T01:24:38.001855Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:38.001855Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.09147","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:24:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tPQ7FnsfdF3dF/gLNrGyIlGeXeh407zgS4Jyf2dUFoXmrbiOGG1yBV1r+e7Ehmak/E29T+v+o6rsoz/AaoRGCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:39:03.803701Z"},"content_sha256":"b64649e21b1d5c4dfbc2578e2abdd835ccf145d73c33a1688fe9c6572fa332da","schema_version":"1.0","event_id":"sha256:b64649e21b1d5c4dfbc2578e2abdd835ccf145d73c33a1688fe9c6572fa332da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:XE5RZBYTZBQ4CVWIR6NPDADCIT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scaling POMDPs For Selecting Sellers in E-markets-Extended Version","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Athirai A. Irissappane, Frans A. Oliehoek, Jie Zhang","submitted_at":"2015-11-30T04:00:48Z","abstract_excerpt":"In multiagent e-marketplaces, buying agents need to select good sellers by querying other buyers (called advisors). Partially Observable Markov Decision Processes (POMDPs) have shown to be an effective framework for optimally selecting sellers by selectively querying advisors. However, current solution methods do not scale to hundreds or even tens of agents operating in the e-market. In this paper, we propose the Mixture of POMDP Experts (MOPE) technique, which exploits the inherent structure of trust-based domains, such as the seller selection problem in e-markets, by aggregating the solution"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.09147","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:24:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mdEuKVIBS15y8B3r8WYSqig2iExNUf6/1xe8H2/8uqvhmekPoB8BF3+ycT8JVKfzkY//Zn++vH9a7pPCNdQ+DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:39:03.804299Z"},"content_sha256":"9d1193b5224003e7d2635550737155de180829ec50f2d1485ab2c2b78ff371ee","schema_version":"1.0","event_id":"sha256:9d1193b5224003e7d2635550737155de180829ec50f2d1485ab2c2b78ff371ee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XE5RZBYTZBQ4CVWIR6NPDADCIT/bundle.json","state_url":"https://pith.science/pith/XE5RZBYTZBQ4CVWIR6NPDADCIT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XE5RZBYTZBQ4CVWIR6NPDADCIT/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-07T04:39:03Z","links":{"resolver":"https://pith.science/pith/XE5RZBYTZBQ4CVWIR6NPDADCIT","bundle":"https://pith.science/pith/XE5RZBYTZBQ4CVWIR6NPDADCIT/bundle.json","state":"https://pith.science/pith/XE5RZBYTZBQ4CVWIR6NPDADCIT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XE5RZBYTZBQ4CVWIR6NPDADCIT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:XE5RZBYTZBQ4CVWIR6NPDADCIT","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b1076f0674e1ec5e7674e4f60140755366f793a1400ee059eddbc467750b2420","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-11-30T04:00:48Z","title_canon_sha256":"10435d855207ec2e3452f4e65a25cba917fd2ea6ffd4ff3dba763111760b64e7"},"schema_version":"1.0","source":{"id":"1511.09147","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.09147","created_at":"2026-05-18T01:24:38Z"},{"alias_kind":"arxiv_version","alias_value":"1511.09147v2","created_at":"2026-05-18T01:24:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.09147","created_at":"2026-05-18T01:24:38Z"},{"alias_kind":"pith_short_12","alias_value":"XE5RZBYTZBQ4","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"XE5RZBYTZBQ4CVWI","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"XE5RZBYT","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:9d1193b5224003e7d2635550737155de180829ec50f2d1485ab2c2b78ff371ee","target":"graph","created_at":"2026-05-18T01:24:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In multiagent e-marketplaces, buying agents need to select good sellers by querying other buyers (called advisors). Partially Observable Markov Decision Processes (POMDPs) have shown to be an effective framework for optimally selecting sellers by selectively querying advisors. However, current solution methods do not scale to hundreds or even tens of agents operating in the e-market. In this paper, we propose the Mixture of POMDP Experts (MOPE) technique, which exploits the inherent structure of trust-based domains, such as the seller selection problem in e-markets, by aggregating the solution","authors_text":"Athirai A. Irissappane, Frans A. Oliehoek, Jie Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-11-30T04:00:48Z","title":"Scaling POMDPs For Selecting Sellers in E-markets-Extended Version"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.09147","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:b64649e21b1d5c4dfbc2578e2abdd835ccf145d73c33a1688fe9c6572fa332da","target":"record","created_at":"2026-05-18T01:24:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"b1076f0674e1ec5e7674e4f60140755366f793a1400ee059eddbc467750b2420","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-11-30T04:00:48Z","title_canon_sha256":"10435d855207ec2e3452f4e65a25cba917fd2ea6ffd4ff3dba763111760b64e7"},"schema_version":"1.0","source":{"id":"1511.09147","kind":"arxiv","version":2}},"canonical_sha256":"b93b1c8713c861c156c88f9af1806244ef49acc624180679fa55780acc51ebda","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b93b1c8713c861c156c88f9af1806244ef49acc624180679fa55780acc51ebda","first_computed_at":"2026-05-18T01:24:38.001855Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:38.001855Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sV52AvkLkBeIYA0KKpvtVhEvtu+TcyFHvzYh5jhVilkY1zgd60/X9KqNezbrKJlVAf7FD4V/lV+Ee3n0vEwjDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:38.002250Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.09147","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b64649e21b1d5c4dfbc2578e2abdd835ccf145d73c33a1688fe9c6572fa332da","sha256:9d1193b5224003e7d2635550737155de180829ec50f2d1485ab2c2b78ff371ee"],"state_sha256":"22d80cb495c825d492d880a0134648c35da5e819013f606cb56976216d70126c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XY6DzF7IMsqwI3kYCUjskaAzbi76tU2fy/h80KR20c+R+heEryYt/bFkYdWZmcWzZyMfcXCmQ6+XPFxY0QdJDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T04:39:03.807359Z","bundle_sha256":"edd5eff7df13e8c9cd634c33334cc9eb08707e520bab43fb28832ca165c85044"}}