【正文】
?利用此法的精神是希望能透過多個(gè)不同的系統(tǒng)與不同的檢索技術(shù) , 盡量網(wǎng)羅可能的相關(guān)文件 , 藉此減少人工判斷的負(fù)荷 。 IR System Evaluation 7 TREC~ 簡介 ?TREC: Text REtrieval Conference ?主辦 : NIST及 DARPA, 為 TIPSTER文件計(jì)劃之子計(jì)劃之一 ?文件集 ?5GB以上 ?數(shù)百萬篇文件 IR System Evaluation 8 V olum e R e vis e d So urce sSi z e(M B )Doc sM e dia n T erm s /Do cM e a n T erm s /Do c1M a rc h19 9 4W a l l St re e t J o ur nal , 1 97 81 9 89As s oci a t e d P re ss ne ws wi re , 19 8 9C om pute r Se l e c t s Art i c l e s, Z i f f Da visFe de ra l R e gis t e r , 1 98 9Ab st ra c t s of . D OE p ubli c a t i ons26 725 424 226 018 4 98, 7 32 84, 6 78 75, 1 80 25, 9 6022 6, 0 87 24 5 44 6 20 0 39 1 1 1 1 43 4. 0 47 3. 9 47 3. 013 1 5. 9 12 0. 42M a rc h19 9 4W a l l St re e t J o ur nal , 1 99 01 9 92 ( WS J)As s oci a t e d P re ss ne ws wi re ( 1 98 8 )( AP )C om pute r Se l e c t s a rti c l e s, Z i f fDa v i s( ZIF F)Fe de ra l R e gis t e r (1 9 88 )( FR 8 8)24 223 717 520 9 74, 5 20 79, 9 19 56, 9 20 19, 8 60 30 1 43 8 18 2 39 6 50 8. 4 46 8. 7 45 1. 913 7 8. 13M a rc h19 9 4Sa n Jos e M e rc u ry Ne ws , 1 99 1As s oci a t e d P re ss ne ws wi re , 19 9 0C om pute r Se l e c t s a rti c l e s, Z i f fDa v i s . pat e nts , 19 9 328 723 734 524 3 90, 2 57 78, 3 2116 1, 0 21 6, 7 1 1 37 9 45 1 12 244 4 5 45 3. 0 47 8. 4 29 5. 453 9 1. 04 M a y 19 9 6The Fi na nci a l T im e s, 19 9 11 9 9 4( FT )Fe de ra l R e gis t e r , 1 99 4 (FR 9 4 )C on gre ss i o nal R e c o rd , 19 9 3(C R )56 439 523 521 0, 1 58 55, 6 30 27, 9 22 31 6 58 8 28 8 41 2. 7 64 4. 713 7 3. 55Ap ril19 9 7Fo re i g n B r oa dca st I nf o rm a tion Se rvic e (FB I S)Los A ngel e s T i m e s (19 89 , 199 0 )47 047 513 0, 4 7113 1, 8 96 32 2 35 1 54 3. 6 52 6. 5R outi n gT e stDa t aFo re i g n B r oa dca st I nf o rm a tion Se rvic e (FB I S) 49 0 12 0, 6 53 34 8 58 1. 3TREC 文件集 IR System Evaluation 9 TREC之文件標(biāo)示 DOCDOC N0FT91 13 /DOC N0PROF ILEA NBE0A 7AAIFT/ PRO FILEDA TE910514 /DA TEHEAD LINEFT 14 MA Y 91 / Int ernation al Com pany News: Contigas plans DM900m east Germ an proj ect/HEADL INEBYLINE By D A VID GOO DHAR T/BYLINEDA TELINE BO NN/DA TELINE TEXTCO NTIGAS, the Ger m an gas group 81 per cen t owned by the util it y Bayernw erk, sai d yesterday that it int ends to inve stDM900 m (Doll ars 522m ) in the next jour ye ars to buil d a new gas distributio n system in the east Germ an sta te ofThuringi a. …/TEXT/DOCIR System Evaluation 10 TREC1 and TREC2查詢主題 to p head T ip ster T op ic D escrip tio n nu m Nu mber: 03 7 do m Do main: S cienc e and T ech no lo gy title T op ic: Iden tify SAA co mpo nen ts des c Des crip tio n:Docu m ent id entif ies so ftware pr od ucts which adh ere to IB M 39。 若有兩篇以上的文獻(xiàn)共同引用了一篇或多篇論文 , 則稱這些文獻(xiàn)間