{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PHTWXLASVSVJWFA5PXTJPFRVGL","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":"7b068c90305f7d4faa37d4df1d0f9d4b03b7ee19bf13889e44653b52d9942616","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-09-07T11:39:12Z","title_canon_sha256":"03aa0dde2b2ec368a8cbebdedf6ba7f00d9ddc9940e9668fc14c052085a73f0e"},"schema_version":"1.0","source":{"id":"1809.02413","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.02413","created_at":"2026-05-18T00:06:17Z"},{"alias_kind":"arxiv_version","alias_value":"1809.02413v1","created_at":"2026-05-18T00:06:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02413","created_at":"2026-05-18T00:06:17Z"},{"alias_kind":"pith_short_12","alias_value":"PHTWXLASVSVJ","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"PHTWXLASVSVJWFA5","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"PHTWXLAS","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:658d3ae08c069abdd33c1a0382e58f1f8853f9c5d60e5f2a6f672e76635a6f24","target":"graph","created_at":"2026-05-18T00:06:17Z","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":"The usefulness evaluation model proposed by Cole et al. in 2009 [2] focuses on the evaluation of interactive IR systems by their support towards the user's overall goal, sub goals and tasks. This is a more human focus of the IR evaluation process than with classical TREC-oriented studies and gives a more holistic view on the IR evaluation process. However, yet there is no formal framework how the usefulness model can be operationalized. Additionally, a lot of information needed for the operationalization is only available in explicit user studies where for example the overall goal and the task","authors_text":"Daniel Hienert, Peter Mutschke","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-09-07T11:39:12Z","title":"Challenges for Measuring Usefulness of Interactive IR Systems with Log-based Approaches"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02413","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:fd5f01058ae7e5d85b3e3997ac05b7b3efdbc26ff0eade9398cb7899ae2976b4","target":"record","created_at":"2026-05-18T00:06:17Z","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":"7b068c90305f7d4faa37d4df1d0f9d4b03b7ee19bf13889e44653b52d9942616","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-09-07T11:39:12Z","title_canon_sha256":"03aa0dde2b2ec368a8cbebdedf6ba7f00d9ddc9940e9668fc14c052085a73f0e"},"schema_version":"1.0","source":{"id":"1809.02413","kind":"arxiv","version":1}},"canonical_sha256":"79e76bac12acaa9b141d7de697963532db6987dcf7a332346a406c1d0c3968e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"79e76bac12acaa9b141d7de697963532db6987dcf7a332346a406c1d0c3968e8","first_computed_at":"2026-05-18T00:06:17.187114Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:17.187114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JogQcQqR/51S83drvC5K76s5cS7dRcCe0mXbdwFnBH9aOhUze2PEloST7st5txI1YEMkKb9H+zRtVeU7RCJSAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:17.187623Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.02413","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd5f01058ae7e5d85b3e3997ac05b7b3efdbc26ff0eade9398cb7899ae2976b4","sha256:658d3ae08c069abdd33c1a0382e58f1f8853f9c5d60e5f2a6f672e76635a6f24"],"state_sha256":"b229ce91d171977806b9b81e4421d7c04d733b8806609a93363b5525d15ac3aa"}