{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:IPJW3TBQYVIRVGK4P7I3572HUO","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":"877158bbbe6baae88286c75f0bb7d46e7fe00a83485495ed761528cc40417907","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-06-10T19:00:59Z","title_canon_sha256":"da9685173a03f765b413d87587e2c27a3d051e42681e0d297ffdd45b5a53712d"},"schema_version":"1.0","source":{"id":"1906.04229","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.04229","created_at":"2026-05-17T23:43:39Z"},{"alias_kind":"arxiv_version","alias_value":"1906.04229v1","created_at":"2026-05-17T23:43:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.04229","created_at":"2026-05-17T23:43:39Z"},{"alias_kind":"pith_short_12","alias_value":"IPJW3TBQYVIR","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"IPJW3TBQYVIRVGK4","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"IPJW3TBQ","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:20b2f4a03cbb3b3d5ba1caded365c6b9b5152d3fa666430c14aaa2c01815082a","target":"graph","created_at":"2026-05-17T23:43:39Z","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":"We study the issue of catastrophic forgetting in the context of neural multimodal approaches to Visual Question Answering (VQA). Motivated by evidence from psycholinguistics, we devise a set of linguistically-informed VQA tasks, which differ by the types of questions involved (Wh-questions and polar questions). We test what impact task difficulty has on continual learning, and whether the order in which a child acquires question types facilitates computational models. Our results show that dramatic forgetting is at play and that task difficulty and order matter. Two well-known current continua","authors_text":"Barbara Plank, Claudio Greco, Raffaella Bernardi, Raquel Fern\\'andez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-06-10T19:00:59Z","title":"Psycholinguistics meets Continual Learning: Measuring Catastrophic Forgetting in Visual Question Answering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.04229","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":"sha256:17fd28df42be1f21278813dfd7d550c1f1a956781bd80002016f81c09abb4eeb","target":"record","created_at":"2026-05-17T23:43:39Z","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":"877158bbbe6baae88286c75f0bb7d46e7fe00a83485495ed761528cc40417907","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-06-10T19:00:59Z","title_canon_sha256":"da9685173a03f765b413d87587e2c27a3d051e42681e0d297ffdd45b5a53712d"},"schema_version":"1.0","source":{"id":"1906.04229","kind":"arxiv","version":1}},"canonical_sha256":"43d36dcc30c5511a995c7fd1beff47a39ddfaa19257ea37da9c7de6721f3af2f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43d36dcc30c5511a995c7fd1beff47a39ddfaa19257ea37da9c7de6721f3af2f","first_computed_at":"2026-05-17T23:43:39.877279Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:39.877279Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DcappYZeQzb+bv+GCLQH7DoOApCFONv4C48LVSK5EiBJua0PY4uI3NLVnC8kZlIzY4cZ8whhUmQa0KaBvCn4DQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:39.877865Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.04229","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:17fd28df42be1f21278813dfd7d550c1f1a956781bd80002016f81c09abb4eeb","sha256:20b2f4a03cbb3b3d5ba1caded365c6b9b5152d3fa666430c14aaa2c01815082a"],"state_sha256":"7611a2c983752e6e7f70b98cf2d1f9161d7ecfdb61a80cc4e4fa5d5a2be36f43"}