{"meta": {"count": 790, "db_response_time_ms": 56, "page": 1, "per_page": 100, "groups_count": 7, "x_query": {"oql": "get works where retracted is (false)\n  and year >= (2019)\n  and year <= (2025)\n  and title-abstract has (stemmed \"ad auction\" OR stemmed \"advertising attribution\" OR stemmed \"click through rate prediction\" OR stemmed \"computational advertising\" OR stemmed \"conversion rate prediction\" OR stemmed \"real time bidding\")\n  and type is (article or preprint or review);\nthen group those works by year", "oqo": {"get_rows": "works", "filter_rows": [{"column_id": "is_retracted", "value": false}, {"column_id": "publication_year", "value": 2019, "operator": ">="}, {"column_id": "publication_year", "value": 2025, "operator": "<="}, {"join": "or", "filters": [{"column_id": "title_and_abstract.search", "value": "\"ad auction\"", "operator": "has"}, {"column_id": "title_and_abstract.search", "value": "\"advertising attribution\"", "operator": "has"}, {"column_id": "title_and_abstract.search", "value": "\"click through rate prediction\"", "operator": "has"}, {"column_id": "title_and_abstract.search", "value": "\"computational advertising\"", "operator": "has"}, {"column_id": "title_and_abstract.search", "value": "\"conversion rate prediction\"", "operator": "has"}, {"column_id": "title_and_abstract.search", "value": "\"real time bidding\"", "operator": "has"}]}, {"join": "or", "filters": [{"column_id": "type", "value": "article"}, {"column_id": "type", "value": "preprint"}, {"column_id": "type", "value": "review"}]}], "group_by": [{"column_id": "publication_year"}]}, "url": "/works?filter=is_retracted:false,publication_year:2019-2025,title_and_abstract.search:%22ad auction%22|%22advertising attribution%22|%22click through rate prediction%22|%22computational advertising%22|%22conversion rate prediction%22|%22real time bidding%22,type:article|preprint|review&group_by=publication_year&per_page=100"}, "cost_usd": 0.001}, "group_by": [{"key": "2025", "key_display_name": "2025", "count": 161}, {"key": "2022", "key_display_name": "2022", "count": 132}, {"key": "2024", "key_display_name": "2024", "count": 127}, {"key": "2023", "key_display_name": "2023", "count": 118}, {"key": "2020", "key_display_name": "2020", "count": 98}, {"key": "2021", "key_display_name": "2021", "count": 93}, {"key": "2019", "key_display_name": "2019", "count": 61}]}