5. Scientific seminarsScientific seminars
Monthly seminars on Data analysis &Monthly seminars on Data analysis &
information retrieval
Organized by
Microsoft Research +Microsoft Research +
Яндекс
5
http://company.yandex.ru/public/seminars/schedule/
Павел Браславский ‐ Анализ запросов
6. IMAT 2009IMAT 2009
L i k• Learning to rank
• 245 features for query‐document pairs
• Graded relevance judgments (0..4)
• Pure numeric data (i.e. no original queries, documents
f )or feature semantics)
• Learning set: 97 290 feature vectors (9 124 queries)
• Test set: 115 643 vectors (21 103 – public evaluation;
94 540 – final evaluation)
• Evaluation measure: DCG
• http://imat2009.yandex.ru
6Павел Браславский ‐ Анализ запросов
8. IMAT 2010IMAT 2010
ffi i di i• Traffic congestion prediction
• (Rough) data:( g )
– Modified graph of Moscow streets
– Observed traffic speed 4‐10 pm (4‐min intervals)Observed traffic speed 4 10 pm (4 min intervals)
for 30 subsequent days + 4‐6 pm on the 31st day
• Task: predict traffic speed 6‐10 pm of the 31stTask: predict traffic speed 6‐10 pm of the 31
day
bli /fi l l ti• public/final evaluation
• http://imat2010.yandex.ru
8Павел Браславский ‐ Анализ запросов
9. Modified graph of streetsModified graph of streets
9Павел Браславский ‐ Анализ запросов
10. IMAT 2010 DataIMAT 2010 Data
G h ti (139 241/33 029) d d (206• Graph: vertices (139 241/33 029) and edges (206
260/86 249)
– <id vertex> <id group>_ _g p
– <id_edge> <id_edge_group> <start_vert> <end_vert>
– <id_edge_group> <length> <avg_speed>
• Observations (learning set 29 226 208 lines)• Observations (learning set, 29 226 208 lines)
– <id_edge_group> <day> <time> <speed>
• Task (691 641 lines)( )
– <id_edge_group> <day> <time> ??
• Evaluation
10Павел Браславский ‐ Анализ запросов
12. ROMIPROMIP
• TREC‐like Russian initiative
• Started 2002
• Several text and image collectionsg
• 10‐15 participants per year (total 50+)
• Academia and industry, students support
• ~3 000 man‐hours of evaluation (2009)
• Remote participation + live meetingRemote participation + live meeting
• Collections are freely available
• Popular testbed for IR research in Russia
21.09.2010 12ROMIP
15. RuSSIRRuSSIR
• Yekaterinburg 5‐12 September 2007Yekaterinburg, 5 12 September 2007
http://romip.ru/russir2007
• Taganrog, 1‐5 September 2008
http://romip.ru/russir2008/
• Petrozavodsk, 11‐16 September 2009
http://romip.ru/russir2009/http://romip.ru/russir2009/
• Voronezh, 13‐18 September 2010
http://romip.ru/russir2010/
S i t P t b A t 2011• Saint Petersburg, August 2011
15Павел Браславский ‐ Анализ запросов
16. RuSSIRRuSSIR
• Put RuSSIR pic here
• Annual eventAnnual event
• 100+ participants
• 4th RuSSIR: Voronezh 13‐18 September
• http://romip ru/russir2010/http://romip.ru/russir2010/
21.09.2010 16ROMIP
17. Информационный поиск по русскиИнформационный поиск по‐русски
Павел Браславский ‐ Анализ запросов 17
Оригинальная английская версия: http://informationretrieval.org
