{
	"id": {"type": "varchar", "default": ""},
	"doc_id": {"type": "varchar", "default": ""},
	"kb_id": {"type": "varchar", "default": ""},
	"create_time": {"type": "varchar", "default": ""},
	"create_timestamp_flt": {"type": "float", "default": 0.0},
	"img_id": {"type": "varchar", "default": ""},
	"docnm": {"type": "varchar", "default": "", "analyzer": ["rag-coarse", "rag-fine"], "comment": "docnm_kwd, title_tks, title_sm_tks"},
	"name_kwd": {"type": "varchar", "default": "", "analyzer": "whitespace-#"},
	"tag_kwd": {"type": "varchar", "default": "", "analyzer": "whitespace-#"},
	"important_keywords": {"type": "varchar", "default": "", "analyzer": ["rag-coarse", "rag-fine"], "comment": "important_kwd, important_tks"},
	"questions": {"type": "varchar", "default": "", "analyzer": ["rag-coarse", "rag-fine"], "comment": "question_kwd, question_tks"},
	"content": {"type": "varchar", "default": "", "analyzer": ["rag-coarse", "rag-fine"], "comment": "content_with_weight, content_ltks, content_sm_ltks"},
	"authors": {"type": "varchar", "default": "", "analyzer": ["rag-coarse", "rag-fine"], "comment": "authors_tks, authors_sm_tks"},
	"page_num_int": {"type": "varchar", "default": ""},
	"top_int": {"type": "varchar", "default": ""},
	"position_int": {"type": "varchar", "default": ""},
	"weight_int": {"type": "integer", "default": 0},
	"weight_flt": {"type": "float", "default": 0.0},
	"rank_int": {"type": "integer", "default": 0},
	"rank_flt": {"type": "float", "default": 0},
	"available_int": {"type": "integer", "default": 1},
	"knowledge_graph_kwd": {"type": "varchar", "default": ""},
	"entities_kwd": {"type": "varchar", "default": "", "analyzer": "whitespace-#"},
	"pagerank_fea": {"type": "integer", "default":  0},
	"tag_feas": {"type": "varchar", "default": "", "analyzer": "rankfeatures"},
	"from_entity_kwd": {"type": "varchar", "default": "", "analyzer": "whitespace-#"},
	"to_entity_kwd": {"type": "varchar", "default": "", "analyzer": "whitespace-#"},
	"entity_kwd": {"type": "varchar", "default": "", "analyzer": "whitespace-#"},
	"entity_type_kwd": {"type": "varchar", "default": "", "analyzer": "whitespace-#"},
	"source_id": {"type": "varchar", "default": "", "analyzer": "whitespace-#"},
	"n_hop_with_weight": {"type": "varchar", "default": ""},
	"removed_kwd": {"type": "varchar", "default": "", "analyzer": "whitespace-#"},
	"doc_type_kwd": {"type": "varchar", "default": "", "analyzer": "whitespace-#"},
	"toc_kwd": {"type": "varchar", "default": "", "analyzer": "whitespace-#"},
	"raptor_kwd": {"type": "varchar", "default": "", "analyzer": "whitespace-#"}
}