{"_id": {"$oid": "6a26c67c3572c06bc1455ed5"}, "test_id": "T1133", "benchmark": "library_cards", "date": "2026-06-05", "tags": {"document-type": ["index-card"], "writing": ["typed", "printed", "handwritten"], "century": [20, 19], "language": ["de", "fr", "en", "la", "el", "fi", "sv", "pl"], "layout": ["index"], "entry-type": ["bibliographic"], "task": ["information-extraction"]}, "contributors": ["gabriel_muller", "maximilian_hindermann"], "hidden": false, "config": {"provider": "openrouter", "model": "stepfun/step-3.7-flash", "dataclass": "Document", "temperature": 0.0, "role_description": "You are a historian with keyword knowledge", "prompt_file": "prompt.txt", "legacy_test": false}, "prompt": "Extract the bibliographic information about a historical dissertation from this index card and return it as a structured JSON object with the following exact format:\n\n```json\n{\n  \"type\": {\n    \"type\": \"Dissertation or thesis\" OR \"Reference\"\n  },\n  \"author\": {\n    \"last_name\": \"string\",\n    \"first_name\": \"string\"\n  },\n  \"publication\": {\n    \"title\": \"string\",\n    \"year\": integer,\n    \"place\": \"string or empty string\",\n    \"pages\": \"string or empty string\",\n    \"publisher\": \"string or empty string\",\n    \"format\": \"string or empty string\"\n  },\n  \"library_reference\": {\n    \"shelfmark\": \"string or empty string\",\n    \"subjects\": \"string or empty string\"\n  }\n}\n```\n\nEXTRACTION RULES:\n1. **Card Type**: If a card contains the note \"s.\" on a separate line, it is a \"Reference\". Otherwise, it is a \"Dissertation or thesis\".\n\n2. **Author**: Extract last_name and first_name. If only one name is given, put it in last_name and leave first_name empty.\n\n3. **Publication**:\n   - title: The main title of the work\n   - year: Publication year as integer\n   - place: Publication place\n   - pages: Page count (remove \" S.\" suffix if present)\n   - publisher: Publishing house/institution\n   - format: Usually \"8\u00b0\", \"8'\", or \"4\u00b0\" - single value only\n\n4. **Library Reference**:\n   - shelfmark: Often begins with \"Diss.\" or \"AT\", may be marked with \"Standort:\"\n   - subjects: Subject classifications or keywords\n\n5. **Missing Information**: Use empty string \"\" for missing text fields, omit year fields entirely if not present.\n\n6. **Ignore**: Disregard any information that doesn't fit into these categories.\n\nReturn ONLY the JSON object, no additional text or explanation.", "results": {"text": "{\"type\":{\"type\":\"Dissertation or thesis\"},\"author\":{\"last_name\":\"Nitz\",\"first_name\":\"Erwin\"},\"publication\":{\"title\":\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\",\"year\":\"1936\",\"place\":\"Marburg <Lahn>\",\"pages\":\"8o\",\"publisher\":\"Hamel\",\"format\":\"8\u00b0\",\"editor\":\"R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936\"},\"library_reference\":{\"shelfmark\":\"U 36. 7342\",\"subjects\":\"\"}}", "model": "stepfun/step-3.7-flash-20260528", "provider": "openrouter", "finish_reason": "stop", "usage": {"input_tokens": 946, "output_tokens": 3132, "total_tokens": 4078, "cached_tokens": 128, "input_cost_usd": 0.00018920000000000002, "output_cost_usd": 0.0036017999999999996, "estimated_cost_usd": 0.0037909999999999997}, "duration": 33.83595418930054, "timestamp": "2026-06-05T13:53:56.978023", "parsed": {"type": {"type": "Dissertation or thesis"}, "author": {"last_name": "Nitz", "first_name": "Erwin"}, "publication": {"title": "Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB", "year": "1936", "place": "Marburg <Lahn>", "pages": "8o", "publisher": "Hamel", "format": "8\u00b0", "editor": "R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936"}, "library_reference": {"shelfmark": "U 36. 7342", "subjects": ""}}, "conversation_id": "daae6d14-91e5-4b85-a554-eb5825ca9b3e", "score": {"f1_score": 0.76, "precision": 0.7272727272727273, "recall": 0.8, "true_positives": 8, "false_positives": 3, "false_negatives": 2, "field_scores": {"library_reference.shelfmark": {"response": "U 36. 7342", "ground_truth": "U 36. 7342", "score": 1.0}, "type.type": {"response": "Dissertation or thesis", "ground_truth": "Dissertation or thesis", "score": 1.0}, "author.first_name": {"response": "Erwin", "ground_truth": "Erwin", "score": 1.0}, "publication.year": {"response": "1936", "ground_truth": 1936, "score": 1.0}, "library_reference.subjects": {"response": null, "ground_truth": null, "score": 1.0}, "publication.title": {"response": "Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB", "ground_truth": "Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB", "score": 1.0}, "publication.editor": {"response": "R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936", "ground_truth": null, "score": 0.0}, "publication.place": {"response": "Marburg <Lahn>", "ground_truth": "Marburg (Lahn)", "score": 0.8571428571428572}, "publication.pages": {"response": "8o", "ground_truth": "80", "score": 0.5}, "publication.format": {"response": "8\u00b0", "ground_truth": "8\u00b0", "score": 1.0}, "author.last_name": {"response": "Nitz", "ground_truth": "Nitz", "score": 1.0}, "publication.publisher": {"response": "Hamel", "ground_truth": "Hamel", "score": 1.0}}, "total_fields": 12}, "raw_response": "{\"id\":\"gen-1780660404-U9iCtdyEGklZ1cANbQRa\",\"choices\":[{\"finish_reason\":\"stop\",\"index\":0,\"logprobs\":null,\"message\":{\"content\":\"{\\n    \\\"type\\\": {\\n      \\\"type\\\": \\\"Dissertation or thesis\\\"\\n    },\\n    \\\"author\\\": {\\n      \\\"last_name\\\": \\\"Nitz\\\",\\n      \\\"first_name\\\": \\\"Erwin\\\"\\n    },\\n    \\\"publication\\\": {\\n      \\\"title\\\": \\\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\\",\\n      \\\"year\\\":  \\\"1936\\\",\\n      \\\"place\\\": \\\"Marburg <Lahn>\\\",\\n      \\\"pages\\\": \\\"8o\\\",\\n      \\\"publisher\\\": \\\"Hamel\\\",\\n      \\\"format\\\": \\\"8\u00b0\\\"\\n    ,\\n    \\\"editor\\\": \\\"R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936\\\"\\n    },\\n    \\\"library_reference\\\": {\\n      \\\"shelfmark\\\": \\\"U 36. 7342\\\",\\n      \\\"subjects\\\": \\\"\\\"\\n    }\\n  }\",\"refusal\":null,\"role\":\"assistant\",\"annotations\":null,\"audio\":null,\"function_call\":null,\"tool_calls\":null,\"parsed\":{\"type\":{\"type\":\"Dissertation or thesis\"},\"author\":{\"last_name\":\"Nitz\",\"first_name\":\"Erwin\"},\"publication\":{\"title\":\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\",\"year\":\"1936\",\"place\":\"Marburg <Lahn>\",\"pages\":\"8o\",\"publisher\":\"Hamel\",\"format\":\"8\u00b0\",\"editor\":\"R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936\"},\"library_reference\":{\"shelfmark\":\"U 36. 7342\",\"subjects\":\"\"}},\"reasoning\":\"The user wants me to extract bibliographic information from an index card image and return it as a structured JSON object.\\n\\n Let me analyze the text in the image:\\n\\n \\\"Nitz, Erwin: Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB. \u2014 Marburg <Lahn> 1936: Hamel. 8o S. 8\u00b0 [\u00a7]\\n Marburg, R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936 <U 36. 7342\\\"\\n\\n Breaking this down:\\n - Author: Nitz, Erwin (last name: Nitz, first name: Erwin)\\n - Title: Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\n - Place: Marburg <Lahn> (or just Marburg)\\n - Year: 1936\\n - Publisher: Hamel\\n - Pages: 8o S. (which means 8 pages, but the format shows \\\"8\u00b0\\\" which is the format)\\n - Format: 8\u00b0\\n - Type: This is a dissertation (Dissertation or thesis) - indicated by \\\"Diss.\\\" in the text\\n - Library reference: <U 36. 7342> or U 36. 7342\\n - Shelfmark: U 36. 7342 or Diss. v. 23. M\u00e4rz 1936\\n - Subjects: Not explicitly stated, but could be inferred from the title (law, BGB, Willenserkl\u00e4rungen)\\n\\n Wait, looking at the rules:\\n 1. Card Type: If a card contains the note \\\"s.\\\" on a separate line, it is a \\\"Reference\\\". Otherwise, it is a \\\"Dissertation or thesis\\\".\\n    - I don't see \\\"s.\\\" on a separate line. I see \\\"8o S.\\\" which is part of the pagination, not a separate line with just \\\"s.\\\". So this is a \\\"Dissertation or thesis\\\".\\n\\n 2. Author: Nitz, Erwin -> last_name: \\\"Nitz\\\", first_name: \\\"Erwin\\\"\\n\\n 3. Publication:\\n    - title: \\\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\\"\\n    - year: 1936 (integer)\\n    - place: \\\"Marburg <Lahn>\\\" or \\\"Marburg\\\" - I'll use \\\"Marburg <Lahn>\\\" as it appears, or maybe just \\\"Marburg\\\". The text shows \\\"Marburg <Lahn> 1936\\\" so place is \\\"Marburg <Lahn>\\\"\\n    - pages: \\\"8o S.\\\" - the rule says remove \\\" S.\\\" suffix if present. So \\\"8o\\\" or \\\"8\\\". Looking at the text \\\"8o S. 8\u00b0\\\", it seems like \\\"8o\\\" might be the page count and \\\"8\u00b0\\\" is the format. Or \\\"8o S.\\\" means 8 pages. I'll extract \\\"8o\\\" or \\\"8\\\". Actually, looking carefully: \\\"8o S. 8\u00b0\\\" - this likely means 8 pages (8o) and format 8\u00b0. So pages: \\\"8o\\\" or \\\"8\\\". I'll use \\\"8o\\\" as it appears, or maybe just \\\"8\\\". The rule says remove \\\" S.\\\" suffix, so \\\"8o\\\" remains.\\n    - publisher: \\\"Hamel\\\"\\n    - format: \\\"8\u00b0\\\"\\n\\n 4. Library Reference:\\n    - shelfmark: \\\"U 36. 7342\\\" or \\\"Diss. v. 23. M\u00e4rz 1936\\\" - the text shows \\\"<U 36. 7342>\\\" at the end, and also \\\"Marburg, R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936\\\". The shelfmark is likely \\\"U 36. 7342\\\" or the full \\\"Diss. v. 23. M\u00e4rz 1936\\\". Looking at the format, it seems like the shelfmark is \\\"U 36. 7342\\\" (or with the angle brackets). The text \\\"<U 36. 7342>\\\" appears to be the shelfmark.\\n    - subjects: Not explicitly given, but could be empty string.\\n\\n Wait, looking at the text again:\\n \\\"Marburg, R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936 <U 36. 7342\\\"\\n\\n This looks like:\\n - Institution: Marburg, R.- u. staatswiss. (Rechts- und staatswissenschaftliche)\\n - Type: Diss. (Dissertation)\\n - Date: v. 23. M\u00e4rz 1936\\n - Shelfmark: <U 36. 7342>\\n\\n So for library_reference:\\n - shelfmark: \\\"U 36. 7342\\\" (or with brackets? The rule says \\\"Often begins with 'Diss.' or 'AT', may be marked with 'Standort:'\\\". Here it's marked with < >. I should probably include it as \\\"U 36. 7342\\\" or \\\"<U 36. 7342>\\\". I'll use \\\"U 36. 7342\\\" without brackets, or maybe with. The text shows \\\"<U 36. 7342>\\\". I'll extract \\\"U 36. 7342\\\" as the shelfmark.\\n - subjects: \\\"\\\" (empty)\\n\\n Actually, looking at the structure, \\\"Marburg, R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936\\\" describes the dissertation itself (where and when it was submitted), while \\\"<U 36. 7342>\\\" is the library shelfmark.\\n\\n So:\\n - type: \\\"Dissertation or thesis\\\"\\n - author: last_name: \\\"Nitz\\\", first_name: \\\"Erwin\\\"\\n - publication:\\n   - title: \\\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\\"\\n   - year: 1936\\n   - place: \\\"Marburg <Lahn>\\\"\\n   - pages: \\\"8o\\\" (removing \\\" S.\\\" from \\\"8o S.\\\")\\n   - publisher: \\\"Hamel\\\"\\n   - format: \\\"8\u00b0\\\"\\n - library_reference:\\n   - shelfmark: \\\"U 36. 7342\\\" (or should I include the angle brackets? The example shows \\\"string\\\", so probably without brackets, or with. I'll check the text: \\\"<U 36. 7342>\\\". I'll use \\\"U 36. 7342\\\" as the content, or maybe \\\"<U 36. 7342>\\\". Actually, looking at standard cataloging, shelfmarks usually don't include the brackets. But the text shows them. I'll include \\\"U 36. 7342\\\" without brackets, or maybe with. Let me decide: I'll use \\\"U 36. 7342\\\" as the shelfmark value.\\n   - subjects: \\\"\\\"\\n\\n Wait, I should check if there's any subject information. The text mentions \\\"R.- u. staatswiss.\\\" which is Rechts- und staatswissenschaft (Law and Political Science), but that's part of the dissertation description, not necessarily the subject classification. The subjects field is for \\\"Subject classifications or keywords\\\". I don't see explicit subject keywords, so I'll leave it empty.\\n\\n Also, for pages: \\\"8o S.\\\" - the \\\"o\\\" might be an abbreviation for \\\"octavo\\\" or just a typo/old notation for pages. But the rule says remove \\\" S.\\\" suffix. So \\\"8o\\\" remains.\\n\\n Actually, looking at \\\"8o S. 8\u00b0\\\", this could be:\\n - 8o = 8 pages (octavo format indication?)\\n - S. = Seiten (pages)\\n - 8\u00b0 = format\\n\\n Or it could be \\\"80 S.\\\" (80 pages) with a degree symbol for format. But looking at the image, it looks like \\\"8o\\\" (with a small o) and \\\"8\u00b0\\\" (with a degree symbol). The \\\"o\\\" might be a superscript or just a character. In old cataloging, \\\"8o\\\" often means octavo format, but here it's followed by \\\"S.\\\" (pages) and then \\\"8\u00b0\\\" (format). This is confusing.\\n\\n Actually, looking carefully at the text: \\\"8o S. 8\u00b0\\\"\\n This likely means: 8 pages (8o S.), format 8\u00b0.\\n Or it could be: 80 pages (80 S.), format 8\u00b0.\\n But the character looks like \\\"8o\\\" not \\\"80\\\". Given the context of a dissertation, 8 pages seems very short, but possible. 80 pages would be more reasonable. But I should extract what's there: \\\"8o\\\".\\n\\n Wait, looking at the image again, it could be \\\"80 S.\\\" where the \\\"0\\\" looks like an \\\"o\\\" due to font or scan quality. But I should extract what I see. It looks like \\\"8o\\\" to me.\\n\\n Actually, standard German cataloging often uses \\\"8\u00b0\\\" for format and \\\"S.\\\" for pages. The \\\"8o\\\" might be a page count. I'll extract \\\"8o\\\" as pages.\\n\\n Let me reconsider the place: \\\"Marburg <Lahn>\\\" - the <Lahn> indicates the region (Lahn is a river in Marburg). So place is \\\"Marburg <Lahn>\\\" or just \\\"Marburg\\\". I'll use \\\"Marburg <Lahn>\\\" as it appears.\\n\\n Publisher: \\\"Hamel\\\" - this is likely the publisher or printing house.\\n\\n Year: 1936\\n\\n Author: Nitz, Erwin\\n\\n Title: Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\n\\n Type: Dissertation or thesis (because of \\\"Diss.\\\" in the text, and no separate \\\"s.\\\" line)\\n\\n Library reference shelfmark: The text shows \\\"<U 36. 7342>\\\" at the end right. This is likely the shelfmark. So \\\"U 36. 7342\\\".\\n\\n One more thing: The text \\\"Marburg, R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936\\\" - this indicates it's a dissertation from the Faculty of Law and Political Science (Rechts- und staatswissenschaftliche) in Marburg, dated March 23, 1936.\\n\\n So the JSON should be:\\n\\n ```json\\n {\\n   \\\"type\\\": {\\n     \\\"type\\\": \\\"Dissertation or thesis\\\"\\n   },\\n   \\\"author\\\": {\\n     \\\"last_name\\\": \\\"Nitz\\\",\\n     \\\"first_name\\\": \\\"Erwin\\\"\\n   },\\n   \\\"publication\\\": {\\n     \\\"title\\\": \\\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\\",\\n     \\\"year\\\": 1936,\\n     \\\"place\\\": \\\"Marburg <Lahn>\\\",\\n     \\\"pages\\\": \\\"8o\\\",\\n     \\\"publisher\\\": \\\"Hamel\\\",\\n     \\\"format\\\": \\\"8\u00b0\\\"\\n   },\\n   \\\"library_reference\\\": {\\n     \\\"shelfmark\\\": \\\"U 36. 7342\\\",\\n     \\\"subjects\\\": \\\"\\\"\\n   }\\n }\\n ```\\n\\n Wait, I need to check the \\\"s.\\\" rule again. \\\"If a card contains the note 's.' on a separate line, it is a 'Reference'.\\\"\\n The text has \\\"8o S.\\\" which is not on a separate line by itself. It's part of the publication data line. So it's definitely a dissertation.\\n\\n Also, for the shelfmark, should I include the angle brackets? The text shows \\\"<U 36. 7342>\\\". Usually shelfmarks are given without brackets in data fields, but I could include them. I'll check the rule: \\\"shelfmark: Often begins with 'Diss.' or 'AT', may be marked with 'Standort:'\\\". It doesn't specify whether to include angle brackets. I'll include \\\"U 36. 7342\\\" without brackets, as that's the actual shelfmark.\\n\\n Actually, looking at the text layout:\\n Line 1: Nitz, Erwin: Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB. \u2014 Marburg <Lahn> 1936: Hamel. 8o S. 8\u00b0 [\u00a7]\\n Line 2: Marburg, R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936 <U 36. 7342\\n\\n So the shelfmark is definitely U 36. 7342.\\n\\n One detail: The title includes \\\"[\u00a7]\\\" at the end? No, looking at the image, it looks like \\\"[\u00a7]\\\" might be a cataloging note or just a smudge. Actually, looking carefully, it might be \\\"[\u00a7]\\\" indicating a section symbol, or it could be part of the format notation. But the title ends with \\\"BGB.\\\" and then there's a dash. The \\\"[\u00a7]\\\" appears to be after \\\"8\u00b0\\\". So it's not part of the title. The title is \\\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\\".\\n\\n Also, \\\"R.- u. staatswiss.\\\" stands for \\\"Rechts- und staatswissenschaftliche\\\" (Law and Political Science).\\n\\n Final check on fields:\\n - type: \\\"Dissertation or thesis\\\"\\n - author: last_name \\\"Nitz\\\", first_name \\\"Erwin\\\"\\n - publication:\\n   - title: \\\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\\"\\n   - year: 1936\\n   - place: \\\"Marburg <Lahn>\\\"\\n   - pages: \\\"8o\\\" (removing \\\" S.\\\")\\n   - publisher: \\\"Hamel\\\"\\n   - format: \\\"8\u00b0\\\"\\n - library_reference:\\n   - shelfmark: \\\"U 36. 7342\\\"\\n   - subjects: \\\"\\\"\\n\\n I think that's correct.\",\"reasoning_details\":[{\"type\":\"reasoning.text\",\"text\":\"The user wants me to extract bibliographic information from an index card image and return it as a structured JSON object.\\n\\n Let me analyze the text in the image:\\n\\n \\\"Nitz, Erwin: Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB. \u2014 Marburg <Lahn> 1936: Hamel. 8o S. 8\u00b0 [\u00a7]\\n Marburg, R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936 <U 36. 7342\\\"\\n\\n Breaking this down:\\n - Author: Nitz, Erwin (last name: Nitz, first name: Erwin)\\n - Title: Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\n - Place: Marburg <Lahn> (or just Marburg)\\n - Year: 1936\\n - Publisher: Hamel\\n - Pages: 8o S. (which means 8 pages, but the format shows \\\"8\u00b0\\\" which is the format)\\n - Format: 8\u00b0\\n - Type: This is a dissertation (Dissertation or thesis) - indicated by \\\"Diss.\\\" in the text\\n - Library reference: <U 36. 7342> or U 36. 7342\\n - Shelfmark: U 36. 7342 or Diss. v. 23. M\u00e4rz 1936\\n - Subjects: Not explicitly stated, but could be inferred from the title (law, BGB, Willenserkl\u00e4rungen)\\n\\n Wait, looking at the rules:\\n 1. Card Type: If a card contains the note \\\"s.\\\" on a separate line, it is a \\\"Reference\\\". Otherwise, it is a \\\"Dissertation or thesis\\\".\\n    - I don't see \\\"s.\\\" on a separate line. I see \\\"8o S.\\\" which is part of the pagination, not a separate line with just \\\"s.\\\". So this is a \\\"Dissertation or thesis\\\".\\n\\n 2. Author: Nitz, Erwin -> last_name: \\\"Nitz\\\", first_name: \\\"Erwin\\\"\\n\\n 3. Publication:\\n    - title: \\\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\\"\\n    - year: 1936 (integer)\\n    - place: \\\"Marburg <Lahn>\\\" or \\\"Marburg\\\" - I'll use \\\"Marburg <Lahn>\\\" as it appears, or maybe just \\\"Marburg\\\". The text shows \\\"Marburg <Lahn> 1936\\\" so place is \\\"Marburg <Lahn>\\\"\\n    - pages: \\\"8o S.\\\" - the rule says remove \\\" S.\\\" suffix if present. So \\\"8o\\\" or \\\"8\\\". Looking at the text \\\"8o S. 8\u00b0\\\", it seems like \\\"8o\\\" might be the page count and \\\"8\u00b0\\\" is the format. Or \\\"8o S.\\\" means 8 pages. I'll extract \\\"8o\\\" or \\\"8\\\". Actually, looking carefully: \\\"8o S. 8\u00b0\\\" - this likely means 8 pages (8o) and format 8\u00b0. So pages: \\\"8o\\\" or \\\"8\\\". I'll use \\\"8o\\\" as it appears, or maybe just \\\"8\\\". The rule says remove \\\" S.\\\" suffix, so \\\"8o\\\" remains.\\n    - publisher: \\\"Hamel\\\"\\n    - format: \\\"8\u00b0\\\"\\n\\n 4. Library Reference:\\n    - shelfmark: \\\"U 36. 7342\\\" or \\\"Diss. v. 23. M\u00e4rz 1936\\\" - the text shows \\\"<U 36. 7342>\\\" at the end, and also \\\"Marburg, R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936\\\". The shelfmark is likely \\\"U 36. 7342\\\" or the full \\\"Diss. v. 23. M\u00e4rz 1936\\\". Looking at the format, it seems like the shelfmark is \\\"U 36. 7342\\\" (or with the angle brackets). The text \\\"<U 36. 7342>\\\" appears to be the shelfmark.\\n    - subjects: Not explicitly given, but could be empty string.\\n\\n Wait, looking at the text again:\\n \\\"Marburg, R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936 <U 36. 7342\\\"\\n\\n This looks like:\\n - Institution: Marburg, R.- u. staatswiss. (Rechts- und staatswissenschaftliche)\\n - Type: Diss. (Dissertation)\\n - Date: v. 23. M\u00e4rz 1936\\n - Shelfmark: <U 36. 7342>\\n\\n So for library_reference:\\n - shelfmark: \\\"U 36. 7342\\\" (or with brackets? The rule says \\\"Often begins with 'Diss.' or 'AT', may be marked with 'Standort:'\\\". Here it's marked with < >. I should probably include it as \\\"U 36. 7342\\\" or \\\"<U 36. 7342>\\\". I'll use \\\"U 36. 7342\\\" without brackets, or maybe with. The text shows \\\"<U 36. 7342>\\\". I'll extract \\\"U 36. 7342\\\" as the shelfmark.\\n - subjects: \\\"\\\" (empty)\\n\\n Actually, looking at the structure, \\\"Marburg, R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936\\\" describes the dissertation itself (where and when it was submitted), while \\\"<U 36. 7342>\\\" is the library shelfmark.\\n\\n So:\\n - type: \\\"Dissertation or thesis\\\"\\n - author: last_name: \\\"Nitz\\\", first_name: \\\"Erwin\\\"\\n - publication:\\n   - title: \\\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\\"\\n   - year: 1936\\n   - place: \\\"Marburg <Lahn>\\\"\\n   - pages: \\\"8o\\\" (removing \\\" S.\\\" from \\\"8o S.\\\")\\n   - publisher: \\\"Hamel\\\"\\n   - format: \\\"8\u00b0\\\"\\n - library_reference:\\n   - shelfmark: \\\"U 36. 7342\\\" (or should I include the angle brackets? The example shows \\\"string\\\", so probably without brackets, or with. I'll check the text: \\\"<U 36. 7342>\\\". I'll use \\\"U 36. 7342\\\" as the content, or maybe \\\"<U 36. 7342>\\\". Actually, looking at standard cataloging, shelfmarks usually don't include the brackets. But the text shows them. I'll include \\\"U 36. 7342\\\" without brackets, or maybe with. Let me decide: I'll use \\\"U 36. 7342\\\" as the shelfmark value.\\n   - subjects: \\\"\\\"\\n\\n Wait, I should check if there's any subject information. The text mentions \\\"R.- u. staatswiss.\\\" which is Rechts- und staatswissenschaft (Law and Political Science), but that's part of the dissertation description, not necessarily the subject classification. The subjects field is for \\\"Subject classifications or keywords\\\". I don't see explicit subject keywords, so I'll leave it empty.\\n\\n Also, for pages: \\\"8o S.\\\" - the \\\"o\\\" might be an abbreviation for \\\"octavo\\\" or just a typo/old notation for pages. But the rule says remove \\\" S.\\\" suffix. So \\\"8o\\\" remains.\\n\\n Actually, looking at \\\"8o S. 8\u00b0\\\", this could be:\\n - 8o = 8 pages (octavo format indication?)\\n - S. = Seiten (pages)\\n - 8\u00b0 = format\\n\\n Or it could be \\\"80 S.\\\" (80 pages) with a degree symbol for format. But looking at the image, it looks like \\\"8o\\\" (with a small o) and \\\"8\u00b0\\\" (with a degree symbol). The \\\"o\\\" might be a superscript or just a character. In old cataloging, \\\"8o\\\" often means octavo format, but here it's followed by \\\"S.\\\" (pages) and then \\\"8\u00b0\\\" (format). This is confusing.\\n\\n Actually, looking carefully at the text: \\\"8o S. 8\u00b0\\\"\\n This likely means: 8 pages (8o S.), format 8\u00b0.\\n Or it could be: 80 pages (80 S.), format 8\u00b0.\\n But the character looks like \\\"8o\\\" not \\\"80\\\". Given the context of a dissertation, 8 pages seems very short, but possible. 80 pages would be more reasonable. But I should extract what's there: \\\"8o\\\".\\n\\n Wait, looking at the image again, it could be \\\"80 S.\\\" where the \\\"0\\\" looks like an \\\"o\\\" due to font or scan quality. But I should extract what I see. It looks like \\\"8o\\\" to me.\\n\\n Actually, standard German cataloging often uses \\\"8\u00b0\\\" for format and \\\"S.\\\" for pages. The \\\"8o\\\" might be a page count. I'll extract \\\"8o\\\" as pages.\\n\\n Let me reconsider the place: \\\"Marburg <Lahn>\\\" - the <Lahn> indicates the region (Lahn is a river in Marburg). So place is \\\"Marburg <Lahn>\\\" or just \\\"Marburg\\\". I'll use \\\"Marburg <Lahn>\\\" as it appears.\\n\\n Publisher: \\\"Hamel\\\" - this is likely the publisher or printing house.\\n\\n Year: 1936\\n\\n Author: Nitz, Erwin\\n\\n Title: Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\n\\n Type: Dissertation or thesis (because of \\\"Diss.\\\" in the text, and no separate \\\"s.\\\" line)\\n\\n Library reference shelfmark: The text shows \\\"<U 36. 7342>\\\" at the end right. This is likely the shelfmark. So \\\"U 36. 7342\\\".\\n\\n One more thing: The text \\\"Marburg, R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936\\\" - this indicates it's a dissertation from the Faculty of Law and Political Science (Rechts- und staatswissenschaftliche) in Marburg, dated March 23, 1936.\\n\\n So the JSON should be:\\n\\n ```json\\n {\\n   \\\"type\\\": {\\n     \\\"type\\\": \\\"Dissertation or thesis\\\"\\n   },\\n   \\\"author\\\": {\\n     \\\"last_name\\\": \\\"Nitz\\\",\\n     \\\"first_name\\\": \\\"Erwin\\\"\\n   },\\n   \\\"publication\\\": {\\n     \\\"title\\\": \\\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\\",\\n     \\\"year\\\": 1936,\\n     \\\"place\\\": \\\"Marburg <Lahn>\\\",\\n     \\\"pages\\\": \\\"8o\\\",\\n     \\\"publisher\\\": \\\"Hamel\\\",\\n     \\\"format\\\": \\\"8\u00b0\\\"\\n   },\\n   \\\"library_reference\\\": {\\n     \\\"shelfmark\\\": \\\"U 36. 7342\\\",\\n     \\\"subjects\\\": \\\"\\\"\\n   }\\n }\\n ```\\n\\n Wait, I need to check the \\\"s.\\\" rule again. \\\"If a card contains the note 's.' on a separate line, it is a 'Reference'.\\\"\\n The text has \\\"8o S.\\\" which is not on a separate line by itself. It's part of the publication data line. So it's definitely a dissertation.\\n\\n Also, for the shelfmark, should I include the angle brackets? The text shows \\\"<U 36. 7342>\\\". Usually shelfmarks are given without brackets in data fields, but I could include them. I'll check the rule: \\\"shelfmark: Often begins with 'Diss.' or 'AT', may be marked with 'Standort:'\\\". It doesn't specify whether to include angle brackets. I'll include \\\"U 36. 7342\\\" without brackets, as that's the actual shelfmark.\\n\\n Actually, looking at the text layout:\\n Line 1: Nitz, Erwin: Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB. \u2014 Marburg <Lahn> 1936: Hamel. 8o S. 8\u00b0 [\u00a7]\\n Line 2: Marburg, R.- u. staatswiss. Diss. v. 23. M\u00e4rz 1936 <U 36. 7342\\n\\n So the shelfmark is definitely U 36. 7342.\\n\\n One detail: The title includes \\\"[\u00a7]\\\" at the end? No, looking at the image, it looks like \\\"[\u00a7]\\\" might be a cataloging note or just a smudge. Actually, looking carefully, it might be \\\"[\u00a7]\\\" indicating a section symbol, or it could be part of the format notation. But the title ends with \\\"BGB.\\\" and then there's a dash. The \\\"[\u00a7]\\\" appears to be after \\\"8\u00b0\\\". So it's not part of the title. The title is \\\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\\".\\n\\n Also, \\\"R.- u. staatswiss.\\\" stands for \\\"Rechts- und staatswissenschaftliche\\\" (Law and Political Science).\\n\\n Final check on fields:\\n - type: \\\"Dissertation or thesis\\\"\\n - author: last_name \\\"Nitz\\\", first_name \\\"Erwin\\\"\\n - publication:\\n   - title: \\\"Die Voraussetzungen des Zuganges von Willenserkl\u00e4rungen im Sinne des \u00a7 130 BGB\\\"\\n   - year: 1936\\n   - place: \\\"Marburg <Lahn>\\\"\\n   - pages: \\\"8o\\\" (removing \\\" S.\\\")\\n   - publisher: \\\"Hamel\\\"\\n   - format: \\\"8\u00b0\\\"\\n - library_reference:\\n   - shelfmark: \\\"U 36. 7342\\\"\\n   - subjects: \\\"\\\"\\n\\n I think that's correct.\",\"format\":\"unknown\",\"index\":0}]},\"native_finish_reason\":\"stop\"}],\"created\":1780660404,\"model\":\"stepfun/step-3.7-flash-20260528\",\"object\":\"chat.completion\",\"service_tier\":null,\"system_fingerprint\":null,\"usage\":{\"completion_tokens\":3132,\"prompt_tokens\":946,\"total_tokens\":4078,\"completion_tokens_details\":{\"accepted_prediction_tokens\":null,\"audio_tokens\":0,\"reasoning_tokens\":0,\"rejected_prediction_tokens\":null,\"image_tokens\":0},\"prompt_tokens_details\":{\"audio_tokens\":0,\"cached_tokens\":128,\"cache_write_tokens\":0,\"video_tokens\":0},\"cost\":0.00377052,\"is_byok\":false,\"cost_details\":{\"upstream_inference_cost\":0.00377052,\"upstream_inference_prompt_cost\":0.00016872,\"upstream_inference_completions_cost\":0.0036018}},\"provider\":\"StepFun\"}"}, "scoring": {"f1_micro": 0.833570412517781, "f1_macro": 0.830532319391635, "micro_precision": 0.8184357541899442, "micro_recall": 0.8492753623188406, "total_instances": 263, "total_tp": 2051, "total_fp": 455, "total_fn": 364, "cost_summary": {"total_input_tokens": 221710, "total_output_tokens": 702896, "total_tokens": 924606, "input_cost_usd": 0.04434199999999995, "output_cost_usd": 0.8083304000000003, "total_cost_usd": 0.8526724000000001}}, "normalized_score": 83.0532319391635}