Tianxiao Wei
Employers on the program
- 2026MongoDB1 talk
Events1
Conferences1
Talks1
Years active2026
The year around now
Talks in the past 12 months and announced talks ahead, one row per conference, January to December. Hover a mark for the talk.
Appearances by year
- Haystack
Talks
| Date | Event | Conference | Role | Title | Links |
|---|---|---|---|---|---|
| May 6, 2026 | Haystack US 2026 | Haystack | speaker | When BM25 Scores Disagree: A Corpus-Independent Alternative as MongoDB BM25 relies on two corpus-level statistics: inverse document frequency and average document length. In a distributed search system where nodes index…Show lessBM25 relies on two corpus-level statistics: inverse document frequency and average document length. In a distributed search system where nodes index independently and converge only eventually, these statistics differ across nodes — and the same query produces different rankings depending on which node serves it. | Video |
Frequent co-speakers
No one else spoke at two or more of the same events.
Speakers with the same name are merged into one entry, so this page may combine more than one person. Affiliations are shown as each conference listed them.