Engineer (ݕࡧɾਪનΤϯδχΞʁ) ✓ Wantedly, Inc. Recommendation Team (since April 2018) ✓ Interested in Information Retrieval, Machine Learning Self Introduction @yu-ya4 @yu__ya4
:daily_company_scores columns %w[:day, :company_id, :score] mode :update, [:day] end schedule do frequency :daily end run :bq, <<SQL SELECT DATE(_WT_SCHEDULED_TIME, "+9") AS day, company_id, SUM(action_score) AS score FROM `log.company_actions*` WHERE _TABLE_SUFFIX = FORMAT_TIMESTAMP("%Y%m%d", TIMESTAMP_SUB(_WT_SCHEDULED_TIME, INTERVAL 1 DAY), "+9") GROUP BY company_id SQL
:daily_company_scores columns %w[:day, :company_id, :score] mode :update, [:day] end schedule do frequency :daily end run :bq, <<SQL SELECT DATE(_WT_SCHEDULED_TIME, "+9") AS day, company_id, SUM(action_score) AS score FROM `log.company_actions*` WHERE _TABLE_SUFFIX = FORMAT_TIMESTAMP("%Y%m%d", TIMESTAMP_SUB(_WT_SCHEDULED_TIME, INTERVAL 1 DAY), "+9") GROUP BY company_id SQL export do table :daily_company_scores columns %w[:day, :company_id, :score] mode :update, [:day] end # ग़ྗઌͷςʔϒϧ໊ # ग़ྗ͢ΔΧϥϜ # update or replace
:daily_company_scores columns %w[:day, :company_id, :score] mode :update, [:day] end schedule do frequency :daily end run :bq, <<SQL SELECT DATE(_WT_SCHEDULED_TIME, "+9") AS day, company_id, SUM(action_score) AS score FROM `log.company_actions*` WHERE _TABLE_SUFFIX = FORMAT_TIMESTAMP("%Y%m%d", TIMESTAMP_SUB(_WT_SCHEDULED_TIME, INTERVAL 1 DAY), "+9") GROUP BY company_id SQL schedule do frequency :daily end # Job ͷ࣮ߦස
:daily_company_scores columns %w[:day, :company_id, :score] mode :update, [:day] end schedule do frequency :daily end run :bq, <<SQL SELECT DATE(_WT_SCHEDULED_TIME, "+9") AS day, company_id, SUM(action_score) AS score FROM `log.company_actions*` WHERE _TABLE_SUFFIX = FORMAT_TIMESTAMP("%Y%m%d", TIMESTAMP_SUB(_WT_SCHEDULED_TIME, INTERVAL 1 DAY), "+9") GROUP BY company_id SQL run :bq, <<SQL SELECT DATE(_WT_SCHEDULED_TIME, "+9") AS day, company_id, SUM(action_score) AS score FROM `log.company_actions*` WHERE _TABLE_SUFFIX = FORMAT_TIMESTAMP("%Y%m%d", TIMESTAMP_SUB(_WT_SCHEDULED_TIME, INTERVAL 1 DAY), "+9") GROUP BY company_id SQL # BigQuery ͷΫΤϦͷ࣮ߦ
without sufficient personal experience of the alternatives. In everyday life, we rely on recommendations from other people either by word of mouth, recommendation letters, movie and book reviews printed in newspapers, or general surveys such as Zagat’s restaurant guides. Recommender systems assist and augment this natural social process. ਪનγεςϜͱ [Resnick+ 97] ࣗͷܦݧ͔ΒͷΈͰ͋·ΓΑ͘Θ͔Βͳ͍ͷͷத͔ΒɼͲ͏ ͯ͠ͲΕ͔Λબͳ͚ΕͳΒͳ͍ͱ͍͏͜ͱΑ͋͘Δɽ͜ͷ Α͏ͳࡍΘͨͨͪ͠ɼޱίϛɼਪનঢ়ɼ ৽ฉͷॻධөըධɼϨ ετϥϯΨΠυͳͲͷଞਓ͔ΒͷਪનʹཔΔ͜ͱΛ ৗతʹߦͬͯ ͍Δɽ ใਪનγεςϜͱɼ͜͏ͨࣾ͠ձͰී௨ʹߦΘΕ͍ͯΔ Ұ࿈ͷߦҝΛิॿͨ͠Γɼଅਐͨ͠Γ͢ΔͷͰ͋Δɽ [Resnick 97] P. Resnick and H. R. Varian. Recommender systems. Communications of the ACM, Vol. 40, No. 3, pp. 56–58, 1997.
ਪનγεςϜͱ [Konstan+ 03] ਪનγεςϜ: Ձͷ͋Δͷ͕ͲΕ͔ಛఆ͢Δͷʹཱͭಓ۩ [Konstan 03] J. A. Konstan and J. Riedl. Recommender systems: Collaborating in commerce and communities. In Proc. of the SIGCHI Conf. on Human Factors in Computing Systems, Tutorial, 2003.
IF(open IS NULL, 0, 1) AS label, weekly_open_count, timeline_show_count, scan_count, ... FROM `people.ironna_data*` WHERE ... # Ϟσϧ࡞Λએݴ ˌ࡞͢ΔϞσϧ໊Λهड़ # ଞʹ # CREATE MODEL IF NOT EXISTS # CREATE OR REPLACE MODEL CREATE MODEL `ml_models.push_open` MODEL ͷ࡞ MODEL ͷ࡞
IF(open IS NULL, 0, 1) AS label, weekly_open_count, timeline_show_count, scan_count, ... FROM `people.ironna_data*` WHERE ... # ೖྗσʔλΛग़ྗ͢ΔΫΤϦهड़ # label ͱ͍͏໊લͷྻΛͯΔ # (ΧϥϜ໊ΦϓγϣϯͰࢦఆՄೳ) SELECT IF(open IS NULL, 0, 1) AS label, weekly_open_count, timeline_show_count, scan_count, ... FROM `people.ironna_data*` WHERE ... MODEL ͷ࡞ MODEL ͷ࡞
IF(open IS NULL, 0, 1) AS label, weekly_open_count, timeline_show_count, scan_count, ... FROM `people.ironna_data*` WHERE ... # ೖྗσʔλΛग़ྗ͢ΔΫΤϦهड़ # label ͱ͍͏໊લͷྻΛͯΔ # (ΧϥϜ໊ΦϓγϣϯͰࢦఆՄೳ) SELECT IF(open IS NULL, 0, 1) AS label, weekly_open_count, timeline_show_count, scan_count, ... FROM `people.ironna_data*` WHERE ... MODEL ͷ࡞ MODEL ͷ࡞
IF(open IS NULL, 0, 1) AS label, weekly_open_count, timeline_show_count, scan_count, ... FROM `people.ironna_data*` WHERE ... ) ) MODEL ͷੑೳධՁ # ࡞ͨ͠Ϟσϧ͕ͲΕ͚ͩͷੑೳΛ͍࣋ͬͯΔ͔ධՁ # (Ͳͷ͘Β͍ਖ਼͘͠ label ΛͯΒΕΔ͔)
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