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Culture","lang",{"id":564,"unique_code":565,"title":566,"icon":8,"intro":567,"cate":483,"detail":568,"create_time":569,"update_time":570,"price":571,"view_count":572,"download_count":573,"unit":573,"amount":574,"is_create_order":573,"enterprise_id":488,"seo_keywords":575,"seo_description":576,"data_format":577,"file_size":578,"apply_scene":579,"training_task":580,"version":581,"dataset_type_id":510,"dataset_scene_id":560,"sample_file":582,"banner":8,"unit_name":8,"cate_name":449,"icon_url":8,"banner_url":8,"sample_file_url":8,"data_dict":583,"qa_list":634,"sample_metadatas":651,"text_sample_content":697,"enterprise_name":698,"enterprise_logo":699,"data_distribution":700},1224,"c89cf3a603327f86d5cd9836b7ac0973","German Learner Error Explanation Question-Answering Dataset","Train and evaluate German error diagnosis with examples that connect learner mistakes to corrected sentences and clear grammar explanations.","\u003Cp>This dataset organizes common German learner errors and related explanations from web-based learning materials into structured question-answer records. It covers error sentences, corrected sentences, causes, correction explanations, and applicable grammar rules, with a focus on case, articles, word order, prepositions, and word-form confusion. Use it to train models to diagnose errors and provide rule-based explanations, or to evaluate German learning assistants and question-answering systems.\u003C\u002Fp>","2026-10-15 18:03:22","2026-10-19 18:25:26","0.00",22,0,5000,"German learning dataset,German grammar errors,German correction QA,German learner errors,German grammar instruction,German error diagnosis,German QA dataset,German model training","Structured QA data on common German learner errors, with corrections and explanations of case, articles, word order, and other grammar rules.","JSON","0.2GB","German language learning, grammar error correction, learner writing assessment","question answering, grammatical error detection, error explanation","V1.0","rivo\u002Fsample-packages\u002F784f0974-206a-4d07-996b-a820c8fb9541\u002F20261015.zip",[584,589,594,599,604,609,614,619,624,629],{"id":573,"name":585,"field":586,"intro":587,"type":588},"File Name","file_name","File name","string",{"id":590,"name":591,"field":592,"intro":593,"type":588},8902,"Answer","answer","A complete response explaining the cause of the error, the correction, and the conditions under which the relevant rule applies.",{"id":595,"name":596,"field":597,"intro":598,"type":588},8903,"Question","question","A knowledge-based question about why the error occurs, how to correct it, or which rule applies.",{"id":600,"name":601,"field":602,"intro":603,"type":588},8904,"Error Cause","error_cause","The linguistic reason for the learner's error, such as misidentifying case government, mismatching article gender, number, or case, or transferring word-order rules.",{"id":605,"name":606,"field":607,"intro":608,"type":588},8905,"Original Web Content","source_text","Raw text or HTML extracted from a web page that contains German error examples and related explanations.",{"id":610,"name":611,"field":612,"intro":613,"type":588},8906,"Applicable Grammar Rule","grammar_rule","A summary of the German grammar, collocation, or inflection rule that supports the diagnosis and correction.",{"id":615,"name":616,"field":617,"intro":618,"type":588},8907,"Error Category","error_category","The primary error type, such as case changes, articles, word order, prepositions, word-form confusion, or other.",{"id":620,"name":621,"field":622,"intro":623,"type":588},8908,"Incorrect Sentence","error_sentence","A German sentence identified in the source material as containing a typical grammar or word-form error.",{"id":625,"name":626,"field":627,"intro":628,"type":588},8909,"Corrected Sentence","corrected_sentence","A grammatically correct revision of the incorrect sentence.",{"id":630,"name":631,"field":632,"intro":633,"type":588},8910,"Correction Explanation","correction_explanation","An itemized explanation of how to revise the incorrect sentence and the grammatical role of each corrected form.",[635,639,643,647],{"id":636,"question":637,"answer":638},6347,"What does the dataset contain?","Records are organized around common German learner errors. They include source text, an error sentence, a corrected sentence, a question and an answer, plus structured fields for error category, cause, correction explanation, and the applicable grammar rule.",{"id":640,"question":641,"answer":642},6348,"Which types of German errors are covered?","The main categories include case changes, articles, word order, prepositions, and word-form confusion, as well as other typical grammar or usage issues. Each QA record is designed to explain the cause, suggest a correction, and identify the relevant rule.",{"id":644,"question":645,"answer":646},6349,"What is the dataset size and how is quality documented?","The available information does not specify the number of examples or a standardized quality evaluation. The fields support review of the source text, error, correction, and rule explanation. Before training or evaluation, sample records should be checked for German usage, correction accuracy, and source suitability.",{"id":648,"question":649,"answer":650},6350,"How can I obtain the dataset, and what are the licensing terms?","Refer to the product page or delivery agreement for acquisition details and applicable licensing terms. Confirm the permitted scope before commercial training, redistribution, or public release, and review any copyright or usage restrictions that apply to the source web content.",[652,669,683],{"id":653,"relate_table":654,"relate_id":655,"file_size":573,"file_name":656,"path":8,"duration":573,"cate":483,"file_format":657,"audio_rate":8,"audio_channel":522,"audio_bit_depth":522,"quality":8,"annotation":658,"cate_name":659,"answer":660,"question":661,"error_cause":662,"source_text":663,"grammar_rule":664,"error_category":665,"error_sentence":666,"corrected_sentence":667,"correction_explanation":668},15072,"union_cubo",1636039297,"样例_3.json","json","{\"answer\": \"Here auf does not indicate a static location; it is part of the fixed collocation warten auf, meaning “to wait for someone or something.” In this usage, auf governs the accusative, so before the masculine singular noun Bus one should use the accusative definite article den, not the dative definite article der. The correct sentence is “Ich warte auf den Bus.”\", \"question\": \"Why is “auf der Bus” incorrect when it means “waiting for the bus”? What case does the preposition “auf” govern in this collocation?\", \"error_cause\": \"Based on the general rule that auf can govern either the dative or the accusative, the learner mistakenly interpreted the sentence as a static location relation and therefore used the dative der; at the same time, the learner had not mastered the fixed case requirement of warten auf.\", \"source_text\": \"\u003Carticle>\u003Ch2>Typical error: case of warten auf\u003C\u002Fh2>\u003Cp>Incorrect example: Ich warte auf der Bus.\u003C\u002Fp>\u003Cp>Explanation: When it means “to wait for someone or something,” warten auf regularly takes the accusative.\u003C\u002Fp>\u003C\u002Farticle>\", \"grammar_rule\": \"The two-way preposition auf is often used with the dative when indicating location and with the accusative when indicating direction or an object; however, when warten auf means “to wait,” it regularly governs the accusative, for example auf den Bus warten, auf eine Antwort warten.\", \"error_category\": \"Preposition\", \"error_sentence\": \"Ich warte auf der Bus.\", \"corrected_sentence\": \"Ich warte auf den Bus.\", \"correction_explanation\": \"Change der to den. Bus is a masculine singular noun and, as the object of warten auf, takes the accusative, so the form is auf den Bus. The sentence expresses the object being waited for, not that a person is above the bus or staying at some location.\"}","文本","Here auf does not indicate a static location; it is part of the fixed collocation warten auf, meaning “to wait for someone or something.” In this usage, auf governs the accusative, so before the masculine singular noun Bus one should use the accusative definite article den, not the dative definite article der. The correct sentence is “Ich warte auf den Bus.”","Why is “auf der Bus” incorrect when it means “waiting for the bus”? What case does the preposition “auf” govern in this collocation?","Based on the general rule that auf can govern either the dative or the accusative, the learner mistakenly interpreted the sentence as a static location relation and therefore used the dative der; at the same time, the learner had not mastered the fixed case requirement of warten auf.","\u003Carticle>\u003Ch2>Typical error: case of warten auf\u003C\u002Fh2>\u003Cp>Incorrect example: Ich warte auf der Bus.\u003C\u002Fp>\u003Cp>Explanation: When it means “to wait for someone or something,” warten auf regularly takes the accusative.\u003C\u002Fp>\u003C\u002Farticle>","The two-way preposition auf is often used with the dative when indicating location and with the accusative when indicating direction or an object; however, when warten auf means “to wait,” it regularly governs the accusative, for example auf den Bus warten, auf eine Antwort warten.","Preposition","Ich warte auf der Bus.","Ich warte auf den Bus.","Change der to den. Bus is a masculine singular noun and, as the object of warten auf, takes the accusative, so the form is auf den Bus. The sentence expresses the object being waited for, not that a person is above the bus or staying at some location.",{"id":670,"relate_table":654,"relate_id":671,"file_size":573,"file_name":672,"path":8,"duration":573,"cate":483,"file_format":657,"audio_rate":8,"audio_channel":522,"audio_bit_depth":522,"quality":8,"annotation":673,"cate_name":659,"answer":674,"question":675,"error_cause":676,"source_text":677,"grammar_rule":678,"error_category":679,"error_sentence":680,"corrected_sentence":681,"correction_explanation":682},15071,1175578177,"样例_2.json","{\"answer\": \"Dass introduces a subordinate clause. In standard German, the finite verb of a subordinate clause usually appears at the end of the clause, so kommt cannot be placed after the subject er; it should be placed at the end of the clause. The time adverb morgen can be placed before the verb, for example “dass er morgen kommt.” The main clause “Ich weiß” still follows the main-clause verb-second rule; only the inside of the dass clause uses subordinate-clause word order.\", \"question\": \"Why in a clause introduced by “dass” should “kommt” be placed at the end of the clause? Where should “morgen” go?\", \"error_cause\": \"The learner directly transferred the main-clause verb-second rule to the dass clause, producing the word order in which the finite verb immediately follows the subject.\", \"source_text\": \"\u003Carticle>\u003Ch2>Typical error: verb position in subordinate clauses\u003C\u002Fh2>\u003Cp>Incorrect example: Ich weiß, dass er kommt morgen.\u003C\u002Fp>\u003Cp>Explanation: In a clause introduced by dass, the finite verb usually appears at the end of the clause.\u003C\u002Fp>\u003C\u002Farticle>\", \"grammar_rule\": \"In subordinate clauses introduced by subordinating conjunctions such as dass, weil, and ob, the finite verb usually appears at the end of the clause; main clauses usually follow the rule that the finite verb is in the second syntactic position.\", \"error_category\": \"Word order\", \"error_sentence\": \"Ich weiß, dass er kommt morgen.\", \"corrected_sentence\": \"Ich weiß, dass er morgen kommt.\", \"correction_explanation\": \"Move the finite verb kommt from before morgen to the end of the clause, yielding “dass er morgen kommt.” Here er is the subject, morgen is the time adverb, and kommt is the finite verb of the subordinate clause.\"}","Dass introduces a subordinate clause. In standard German, the finite verb of a subordinate clause usually appears at the end of the clause, so kommt cannot be placed after the subject er; it should be placed at the end of the clause. The time adverb morgen can be placed before the verb, for example “dass er morgen kommt.” The main clause “Ich weiß” still follows the main-clause verb-second rule; only the inside of the dass clause uses subordinate-clause word order.","Why in a clause introduced by “dass” should “kommt” be placed at the end of the clause? Where should “morgen” go?","The learner directly transferred the main-clause verb-second rule to the dass clause, producing the word order in which the finite verb immediately follows the subject.","\u003Carticle>\u003Ch2>Typical error: verb position in subordinate clauses\u003C\u002Fh2>\u003Cp>Incorrect example: Ich weiß, dass er kommt morgen.\u003C\u002Fp>\u003Cp>Explanation: In a clause introduced by dass, the finite verb usually appears at the end of the clause.\u003C\u002Fp>\u003C\u002Farticle>","In subordinate clauses introduced by subordinating conjunctions such as dass, weil, and ob, the finite verb usually appears at the end of the clause; main clauses usually follow the rule that the finite verb is in the second syntactic position.","Word order","Ich weiß, dass er kommt morgen.","Ich weiß, dass er morgen kommt.","Move the finite verb kommt from before morgen to the end of the clause, yielding “dass er morgen kommt.” Here er is the subject, morgen is the time adverb, and kommt is the finite verb of the subordinate clause.",{"id":684,"relate_table":654,"relate_id":685,"file_size":573,"file_name":686,"path":8,"duration":573,"cate":483,"file_format":657,"audio_rate":8,"audio_channel":522,"audio_bit_depth":522,"quality":8,"annotation":687,"cate_name":659,"answer":688,"question":689,"error_cause":690,"source_text":691,"grammar_rule":692,"error_category":693,"error_sentence":694,"corrected_sentence":695,"correction_explanation":696},15070,764127734,"样例_1.json","{\"answer\": \"The error is that the object of helfen is mistakenly treated as accusative. The verb helfen usually governs the dative, and when it means “to help someone,” the person being helped is the indirect object. Therefore, the definite article of the masculine singular noun Mann must change from the accusative den to the dative dem. The correct sentence is “Ich helfe dem Mann.” This is independent of the word order of the sentence; it is determined by the case government of the verb helfen.\", \"question\": \"Why does “den Mann” in “Ich helfe den Mann.” need to be changed to “dem Mann”? What case-government rule applies here?\", \"error_cause\": \"The learner understood “help someone” according to the direct object structure in Chinese or English, incorrectly used the masculine singular accusative article den, and did not remember that helfen governs the dative.\", \"source_text\": \"\u003Carticle>\u003Ch2>Typical error: case after helfen\u003C\u002Fh2>\u003Cp>Incorrect example: Ich helfe den Mann.\u003C\u002Fp>\u003Cp>Explanation: The verb helfen usually governs the dative, so the masculine singular definite article should be dem.\u003C\u002Fp>\u003C\u002Farticle>\", \"grammar_rule\": \"The verb helfen governs the dative (Dativ): jemandem helfen. The masculine singular definite article changes as der (nominative), den (accusative), dem (dative), so one should say dem Mann.\", \"error_category\": \"Case change\", \"error_sentence\": \"Ich helfe den Mann.\", \"corrected_sentence\": \"Ich helfe dem Mann.\", \"correction_explanation\": \"Change den to dem. Mann is a masculine singular noun, and in the dative it takes the definite article dem; the noun Mann itself does not change its ending here. The revised dem Mann serves as the dative object of helfen.\"}","The error is that the object of helfen is mistakenly treated as accusative. The verb helfen usually governs the dative, and when it means “to help someone,” the person being helped is the indirect object. Therefore, the definite article of the masculine singular noun Mann must change from the accusative den to the dative dem. The correct sentence is “Ich helfe dem Mann.” This is independent of the word order of the sentence; it is determined by the case government of the verb helfen.","Why does “den Mann” in “Ich helfe den Mann.” need to be changed to “dem Mann”? What case-government rule applies here?","The learner understood “help someone” according to the direct object structure in Chinese or English, incorrectly used the masculine singular accusative article den, and did not remember that helfen governs the dative.","\u003Carticle>\u003Ch2>Typical error: case after helfen\u003C\u002Fh2>\u003Cp>Incorrect example: Ich helfe den Mann.\u003C\u002Fp>\u003Cp>Explanation: The verb helfen usually governs the dative, so the masculine singular definite article should be dem.\u003C\u002Fp>\u003C\u002Farticle>","The verb helfen governs the dative (Dativ): jemandem helfen. The masculine singular definite article changes as der (nominative), den (accusative), dem (dative), so one should say dem Mann.","Case change","Ich helfe den Mann.","Ich helfe dem Mann.","Change den to dem. Mann is a masculine singular noun, and in the dative it takes the definite article dem; the noun Mann itself does not change its ending here. The revised dem Mann serves as the dative object of helfen.","{\"answer\":\"Here auf does not indicate a static location; it is part of the fixed collocation warten auf, meaning “to wait for someone or something.” In this usage, auf governs the accusative, so before the masculine singular noun Bus one should use the accusative definite article den, not the dative definite article der. The correct sentence is “Ich warte auf den Bus.”\",\"question\":\"Why is “auf der Bus” incorrect when it means “waiting for the bus”? What case does the preposition “auf” govern in this collocation?\",\"error_cause\":\"Based on the general rule that auf can govern either the dative or the accusative, the learner mistakenly interpreted the sentence as a static location relation and therefore used the dative der; at the same time, the learner had not mastered the fixed case requirement of warten auf.\",\"source_text\":\"\u003Carticle>\u003Ch2>Typical error: case of warten auf\u003C\\\u002Fh2>\u003Cp>Incorrect example: Ich warte auf der Bus.\u003C\\\u002Fp>\u003Cp>Explanation: When it means “to wait for someone or something,” warten auf regularly takes the accusative.\u003C\\\u002Fp>\u003C\\\u002Farticle>\",\"grammar_rule\":\"The two-way preposition auf is often used with the dative when indicating location and with the accusative when indicating direction or an object; however, when warten auf means “to wait,” it regularly governs the accusative, for example auf den Bus warten, auf eine Antwort warten.\",\"error_category\":\"Preposition\",\"error_sentence\":\"Ich warte auf der Bus.\",\"corrected_sentence\":\"Ich warte auf den Bus.\",\"correction_explanation\":\"Change der to den. Bus is a masculine singular noun and, as the object of warten auf, takes the accusative, so the form is auf den Bus. The sentence expresses the object being waited for, not that a person is above the bus or staying at some location.\"}","MOBIUSI INC","https:\u002F\u002Fstatic.mobiusi.com\u002Fmobiwusi\u002F20250829\u002F7bf4ac62b4533e2b809998a6f1c5491e.png?Expires=1792463130&OSSAccessKeyId=LTAI5tH8MQqhgeiAtrzCHrxM&Signature=v6Tr8jBrdm4s5wU1SnnyGsYg%2Bhw%3D&x-oss-process=image%2Fresize%2Cm_fill%2Cw_35%2Ch_35",[701,707],{"type":702,"title":703,"count_data":704},"bar","Length distribution",[705],{"name":706,"value":483},"1k lower",{"type":708,"title":709,"count_data":710},"pie","Language distribution",[711],{"name":712,"value":483},"English"]