Web This site Trusted
30 result(s) for “okapi bm25 site hotchips pp site github com site via do unit it site avatar githubusercontent” of about 952 matched · 195 ms
Freshness: no result on this page carries a fetch time yet (indexed before the fetch epoch was stored beside the doc)
By using this site, you agree to the Terms of Use and Privacy Policy
from the top result below
The fuller name, Okapi BM25, includes the name of the first system to use it, which was the Okapi information retrieval system, implemented at London's City University[1] in the 1980s and 1990s
1 200 OK Date: Thu, 02 Jul 2026 17:06:57 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"5c10b5686e0c159df9d5da5670da3dcd" Cache-Control: max-age=0, private, must-revalidate Strict
S-Class Information Retrieval
The empirically validated retrieval progression is BM25 then learned-sparse then dense then hybrid fusion with re-ranking
NOTE: ACM DL title omits the trailing word Research; the project site and arXiv include it
server: mw-web.codfw.main-54f6d45877-8t4tr x-content-type-options: nosniff content-language: en accept-ch: reporting-endpoints: csp-report-to-endpoint='/w/api.php?action=cspreport&format=json'; content-security-policy: script-src 'unsafe
server: mw-web.codfw.main-77cfb8ddf-5ckx9 x-content-type-options: nosniff content-language: en accept-ch: reporting-endpoints: csp-report-to-endpoint='/w/api.php?action=cspreport&format=json'; content-security-policy: script-src 'unsafe
server: mw-web.codfw.main-54f6d45877-ffshv x-content-type-options: nosniff content-language: en accept-ch: reporting-endpoints: csp-report-to-endpoint='/w/api.php?action=cspreport&format=json'; content-security-policy: script-src 'unsafe
[7] It was initially available for download from its home at the SourceForge web site
server: mw-web.codfw.main-54f6d45877-j7cmc x-content-type-options: nosniff content-language: en accept-ch: reporting-endpoints: csp-report-to-endpoint='/w/api.php?action=cspreport&format=json'; content-security-policy: script-src 'unsafe
server: ATS/9.2.13 x-content-type-options: nosniff content-language: en accept-ch: reporting-endpoints: csp-report-to-endpoint='/w/api.php?action=cspreport&format=json'; content-security-policy: script-src 'unsafe-eval' blob: 'self' meta.
server: mw-web.codfw.main-5d74746f87-qr5v2 x-content-type-options: nosniff content-language: en accept-ch: reporting-endpoints: csp-report-to-endpoint='/w/api.php?action=cspreport&format=json'; content-security-policy: script-src 'unsafe
## Communications If you think you've identified a security issue in the project, please *DO NOT* report the issue publicly via the GitHub issue tracker, mailing list, or IRC
server: mw-web.codfw.canary-589d7c9c48-5t4n2 x-content-type-options: nosniff content-language: en accept-ch: reporting-endpoints: csp-report-to-endpoint='/w/api.php?action=cspreport&format=json'; content-security-policy: script-src 'unsafe
1 200 OK Date: Thu, 02 Jul 2026 19:46:58 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"224585a2a0e3e3163a01d12f9ff2f6bf" Cache-Control: max-age=0, private, must-revalidate Strict
1 200 OK Date: Thu, 02 Jul 2026 19:46:47 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"7a76809f6ec3aafe1d4cbdfbcf13223d" Cache-Control: max-age=0, private, must-revalidate Strict
1 200 OK Date: Thu, 02 Jul 2026 19:47:30 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"1ac518a72b4901f1a5a68408c23cf2a7" Cache-Control: max-age=0, private, must-revalidate Strict
1 200 OK Date: Thu, 02 Jul 2026 16:54:32 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"265baa85c7684e28d15c55e0a43ae54c" Cache-Control: max-age=0, private, must-revalidate Strict
1 200 OK Date: Thu, 02 Jul 2026 16:53:48 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"3c1b1e9e1490fb726e22e11ab6788493" Cache-Control: max-age=0, private, must-revalidate Strict
1 200 OK Date: Thu, 02 Jul 2026 21:47:09 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"764842f7a6fd6df0a8d57caaf9c860d1" Cache-Control: max-age=0, private, must-revalidate Strict
1 200 OK Date: Thu, 02 Jul 2026 16:54:21 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"26dfd90bfcac5e8fd65691a38e8d86b0" Cache-Control: max-age=0, private, must-revalidate Strict
1 200 OK Date: Thu, 02 Jul 2026 16:53:59 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"563ef1aa4a8f6d2e7b65a34501152d39" Cache-Control: max-age=0, private, must-revalidate Strict
1 200 OK Date: Thu, 02 Jul 2026 17:07:19 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"7f53a7c4a1b003e79f3563086b10bf3a" Cache-Control: max-age=0, private, must-revalidate Strict
CUDA - Wikipedia Jump to content Main menu Main menu move to sidebar hide Navigation Main page Contents Current events Random article About Wikipedia Contact us Contribute Help Learn to edit Community portal Recent changes Upload file Special pages Search Search Appearance Donate Create account Log in Personal tools
1 200 OK Date: Thu, 02 Jul 2026 16:54:10 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"554c4addd0da505c1c2f60255b83a6e8" Cache-Control: max-age=0, private, must-revalidate Strict
1 200 OK Date: Thu, 02 Jul 2026 19:47:09 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"4ad4d37c9015c110ecc0e7ddb593aeec" Cache-Control: max-age=0, private, must-revalidate Strict
1 200 OK Date: Thu, 02 Jul 2026 17:06:44 GMT Content-Type: text/html; charset=utf-8 Vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With ETag: W/"47aa9c1d17c88f3a190a8326a978c3c3" Cache-Control: max-age=0, private, must-revalidate Strict
com /EpicGames / Unreal Engine ( UE ) is a 3D computer graphics game engine developed by Epic Games , initially made for use in the 1998 first-person shooter video game Unreal
[ 1 ] It is a commonplace feature of instant messaging , Email clients , online games and mobile phones
server: ATS/9.2.13 x-content-type-options: nosniff content-language: en accept-ch: reporting-endpoints: csp-report-to-endpoint='/w/api.php?action=cspreport&format=json'; content-security-policy: script-src 'unsafe-eval' blob: 'self' meta.
server: mw-web.codfw.main-77cfb8ddf-vv94r x-content-type-options: nosniff content-language: en accept-ch: reporting-endpoints: csp-report-to-endpoint='/w/api.php?action=cspreport&format=json'; content-security-policy: script-src 'unsafe