{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:LOXOAQ2UZNNP74U5MEJKWJMOEN","short_pith_number":"pith:LOXOAQ2U","canonical_record":{"source":{"id":"1905.00185","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2019-05-01T04:54:41Z","cross_cats_sorted":[],"title_canon_sha256":"afcb497e1128c45ecfc17b9706cf529e8719868b02772f3dcd9da9d20742410a","abstract_canon_sha256":"9b70aec86fa7ec9cf1f61dcd85cb8d88709f052ea4297f6fedc5cfe62a813fc7"},"schema_version":"1.0"},"canonical_sha256":"5baee04354cb5afff29d6112ab258e2377f3bb1ed1e5e92a8fc270b3e5e92e83","source":{"kind":"arxiv","id":"1905.00185","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.00185","created_at":"2026-05-17T23:47:13Z"},{"alias_kind":"arxiv_version","alias_value":"1905.00185v1","created_at":"2026-05-17T23:47:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.00185","created_at":"2026-05-17T23:47:13Z"},{"alias_kind":"pith_short_12","alias_value":"LOXOAQ2UZNNP","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LOXOAQ2UZNNP74U5","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LOXOAQ2U","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:LOXOAQ2UZNNP74U5MEJKWJMOEN","target":"record","payload":{"canonical_record":{"source":{"id":"1905.00185","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2019-05-01T04:54:41Z","cross_cats_sorted":[],"title_canon_sha256":"afcb497e1128c45ecfc17b9706cf529e8719868b02772f3dcd9da9d20742410a","abstract_canon_sha256":"9b70aec86fa7ec9cf1f61dcd85cb8d88709f052ea4297f6fedc5cfe62a813fc7"},"schema_version":"1.0"},"canonical_sha256":"5baee04354cb5afff29d6112ab258e2377f3bb1ed1e5e92a8fc270b3e5e92e83","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:13.488534Z","signature_b64":"9h8WJ+PvpC7LTy5RiHD9CSyG8N1242DUu+dBQMtZBlMwUR+IrZu08wQYlv2SDFPCRjUX3UNnlyVogBAdkrp3AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5baee04354cb5afff29d6112ab258e2377f3bb1ed1e5e92a8fc270b3e5e92e83","last_reissued_at":"2026-05-17T23:47:13.488152Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:13.488152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.00185","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:47:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ms12iWn6H+NX3rNv/Z3mqifBchoV/Z0gpuwD78jN+8yQLClmN6TQtUnqa3nHx31nCk2czv114YI6/gGEcnAqAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:31:36.523965Z"},"content_sha256":"1c6d9b2fa7f606c148800cb38ff617dfeb50fe5423c31176c6a682898183f5ba","schema_version":"1.0","event_id":"sha256:1c6d9b2fa7f606c148800cb38ff617dfeb50fe5423c31176c6a682898183f5ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:LOXOAQ2UZNNP74U5MEJKWJMOEN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Emotional Contribution Analysis of Online Reviews","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Elisa Claire Alem\\'an Carre\\'on, Hirofumi Nonaka, Masaharu Hirota, Minoru Kumano, Takao Ito, Toru Hiraoka","submitted_at":"2019-05-01T04:54:41Z","abstract_excerpt":"In response to the constant increase in population and tourism worldwide, there is a need for the development of cross-language market research tools that are more cost and time effective than surveys or interviews. Focusing on the Chinese tourism boom and the hotel industry in Japan, we extracted the most influential keywords in emotional judgement from Chinese online reviews of Japanese hotels in the portal site Ctrip. Using an entropy based mathematical model and a machine learning algorithm, we determined the words that most closely represent the demands and emotions of this customer base."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.00185","kind":"arxiv","version":1},"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":"2026-05-17T23:47:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"INRU5sIiR8HYFC6eOTcLcqYcLjeHNE3NYyxwDyhpLk5mu/QSoJ2wvqueT4dLVFEd13+uFqMrIkXJUhFWASPhAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:31:36.524311Z"},"content_sha256":"939e34df40a21eaa419afac5cf257c47c84c337f35672e34d71796bb75ba1094","schema_version":"1.0","event_id":"sha256:939e34df40a21eaa419afac5cf257c47c84c337f35672e34d71796bb75ba1094"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LOXOAQ2UZNNP74U5MEJKWJMOEN/bundle.json","state_url":"https://pith.science/pith/LOXOAQ2UZNNP74U5MEJKWJMOEN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LOXOAQ2UZNNP74U5MEJKWJMOEN/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":"2026-05-28T06:31:36Z","links":{"resolver":"https://pith.science/pith/LOXOAQ2UZNNP74U5MEJKWJMOEN","bundle":"https://pith.science/pith/LOXOAQ2UZNNP74U5MEJKWJMOEN/bundle.json","state":"https://pith.science/pith/LOXOAQ2UZNNP74U5MEJKWJMOEN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LOXOAQ2UZNNP74U5MEJKWJMOEN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:LOXOAQ2UZNNP74U5MEJKWJMOEN","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":"9b70aec86fa7ec9cf1f61dcd85cb8d88709f052ea4297f6fedc5cfe62a813fc7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2019-05-01T04:54:41Z","title_canon_sha256":"afcb497e1128c45ecfc17b9706cf529e8719868b02772f3dcd9da9d20742410a"},"schema_version":"1.0","source":{"id":"1905.00185","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.00185","created_at":"2026-05-17T23:47:13Z"},{"alias_kind":"arxiv_version","alias_value":"1905.00185v1","created_at":"2026-05-17T23:47:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.00185","created_at":"2026-05-17T23:47:13Z"},{"alias_kind":"pith_short_12","alias_value":"LOXOAQ2UZNNP","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LOXOAQ2UZNNP74U5","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LOXOAQ2U","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:939e34df40a21eaa419afac5cf257c47c84c337f35672e34d71796bb75ba1094","target":"graph","created_at":"2026-05-17T23:47:13Z","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 response to the constant increase in population and tourism worldwide, there is a need for the development of cross-language market research tools that are more cost and time effective than surveys or interviews. Focusing on the Chinese tourism boom and the hotel industry in Japan, we extracted the most influential keywords in emotional judgement from Chinese online reviews of Japanese hotels in the portal site Ctrip. Using an entropy based mathematical model and a machine learning algorithm, we determined the words that most closely represent the demands and emotions of this customer base.","authors_text":"Elisa Claire Alem\\'an Carre\\'on, Hirofumi Nonaka, Masaharu Hirota, Minoru Kumano, Takao Ito, Toru Hiraoka","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2019-05-01T04:54:41Z","title":"Emotional Contribution Analysis of Online Reviews"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.00185","kind":"arxiv","version":1},"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":"sha256:1c6d9b2fa7f606c148800cb38ff617dfeb50fe5423c31176c6a682898183f5ba","target":"record","created_at":"2026-05-17T23:47:13Z","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":"9b70aec86fa7ec9cf1f61dcd85cb8d88709f052ea4297f6fedc5cfe62a813fc7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2019-05-01T04:54:41Z","title_canon_sha256":"afcb497e1128c45ecfc17b9706cf529e8719868b02772f3dcd9da9d20742410a"},"schema_version":"1.0","source":{"id":"1905.00185","kind":"arxiv","version":1}},"canonical_sha256":"5baee04354cb5afff29d6112ab258e2377f3bb1ed1e5e92a8fc270b3e5e92e83","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5baee04354cb5afff29d6112ab258e2377f3bb1ed1e5e92a8fc270b3e5e92e83","first_computed_at":"2026-05-17T23:47:13.488152Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:13.488152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9h8WJ+PvpC7LTy5RiHD9CSyG8N1242DUu+dBQMtZBlMwUR+IrZu08wQYlv2SDFPCRjUX3UNnlyVogBAdkrp3AA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:13.488534Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.00185","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c6d9b2fa7f606c148800cb38ff617dfeb50fe5423c31176c6a682898183f5ba","sha256:939e34df40a21eaa419afac5cf257c47c84c337f35672e34d71796bb75ba1094"],"state_sha256":"1d7f27354f9f33d644f0d4bb15fc9b31b5d5745c32e0ae066c295ae464c0c087"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UrixHF0RBCyYZ8w2GxckPusmqvORvQ6ly+s+2rIq/YZutB6GPkElcg785D5kuAd3mvKYyUoMUkicYNKLm9vaBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T06:31:36.526330Z","bundle_sha256":"42274bcfb0ef47205e0ed0950a0e28e2c3bbdaa69bea85395cafb9f632019e03"}}