(original) (raw)

%!PS-Adobe-2.0 %%Creator: dvipsk 5.58f Copyright 1986, 1994 Radical Eye Software %%Title: presentation.dvi %%Pages: 15 %%PageOrder: Ascend %%Orientation: Landscape %%BoundingBox: 0 0 612 792 %%EndComments %DVIPSCommandLine: dvips -o presentation.ps -t landscape %+ presentation.dvi %DVIPSParameters: dpi=300, compressed, comments removed %DVIPSSource: TeX output 1999.03.03:1704 %%BeginProcSet: texc.pro /TeXDict 250 dict def TeXDict begin /N{def}def /B{bind def}N /S{exch}N /X{S N}B /TR{translate}N /isls false N /vsize 11 72 mul N /hsize 8.5 72 mul N /landplus90{false}def /@rigin{isls{[0 landplus90{1 -1}{-1 1} ifelse 0 0 0]concat}if 72 Resolution div 72 VResolution div neg scale isls{landplus90{VResolution 72 div vsize mul 0 exch}{Resolution -72 div hsize mul 0}ifelse TR}if Resolution VResolution vsize -72 div 1 add mul TR matrix currentmatrix dup dup 4 get round 4 exch put dup dup 5 get round 5 exch put setmatrix}N /@landscape{/isls true N}B /@manualfeed{ statusdict /manualfeed true put}B 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/QV{gsave transform round exch round exch itransform moveto rulex 0 rlineto 0 ruley neg rlineto rulex neg 0 rlineto fill grestore}B /a{moveto}B /delta 0 N /tail{dup /delta X 0 rmoveto}B /M{S p delta add tail}B /b{S p tail} B /c{-4 M}B /d{-3 M}B /e{-2 M}B /f{-1 M}B /g{0 M}B /h{1 M}B /i{2 M}B /j{ 3 M}B /k{4 M}B /w{0 rmoveto}B /l{p -4 w}B /m{p -3 w}B /n{p -2 w}B /o{p -1 w}B /q{p 1 w}B /r{p 2 w}B /s{p 3 w}B /t{p 4 w}B /x{0 S rmoveto}B /y{ 3 2 roll p a}B /bos{/SS save N}B /eos{SS restore}B end %%EndProcSet TeXDict begin 52099146 40258431 2074 300 300 (presentation.dvi) @start /Fa 1 81 df<007FBB1280BCFC1BC0A2D87F80C912076C6CDC001F13E06C6C17 01F1007F6C6CF01FF06C6C18076D18030003F100F86C6C19786C6C19386E183C017F191C 6D6C180C6D6C180E6E1806130F6D6C18036D6C1800A26D7E6D7E81147F6E7E6E7E81140F 6E7E6E7E8114016E7E6F7EA26F7E6F7E82150F6F7E15035E15014B5A4B5A5E4BCBFC5D15 3E5D15785D14014A5A5D4A5A140F4ACCFC143E143C5C02F81803494818074A1806495A49 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6C7EA26D48038C814ADA3F98141FA24A03F081A24A5DA34A5DB3AE496C4A6C4A7E486D4A 6C4A7EB6D8C07F9026FFE03FB512F0A45C367BB565>I<01FFEB03FFB5011F13E092387C 07F89238E001FC9139018000FE000349C7127FC601066E7E5C6D48815C171F4A81A25CA3 5CB3AE496C4A7E486D4A7EB6D8C03FB512F0A43C367CB543>I<9039FF8007FCB590383F FF809238F807F0913983C001FC0287C7127E0003019C80C601B8EC1FC0D97FF06E7E4A6E 7EA24A6E7E4A81717EA2717EA21980187F19C0A3183F19E0AB19C0187FA21980A218FF19 00A24D5A6017036E5D6E4A5A4D5A6E4A5A02B85D029C027FC7FC028E14FC9139838003F8 913981F00FE09139807FFF80DB0FF8C8FC92CAFCB1497E487FB612C0A43B4E7DB543> 112 D<01FFEB0FC0B5EB7FF0EDF03C91380180FC91380301FE000390380603FFC6130C14 18137F91383001FEA291386000FC1600A25CA45CB3AC497E487FB612F8A428367DB52F> 114 DII118 D121 D E /Fn 4 40 df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end %%EndProlog %%BeginSetup %%Feature: *Resolution 300dpi TeXDict begin @landscape %%EndSetup %%Page: 0 1 0 0 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 255 440 2156 4 v 255 785 4 345 v 902 552 a Fm(Dynamic)41 b(Searc)m(h)720 735 y(A)g(practical)h(p)s(ersp)s(ectiv) m(e)p 2407 785 V 255 788 2156 4 v 2409 823 37 352 v 289 823 2156 37 v 1094 1499 a Fl(Presen)n(ted)29 b(b)n(y:)1145 1621 y(Dan)g(P)n(elleg)1333 2118 y Fk(0)p eop %%Page: 1 2 1 1 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 1099 208 468 4 v 1099 319 4 111 v 1157 293 a Fl(Ov)n(erview)p 1563 319 V 1099 322 468 4 v 1565 357 37 118 v 1133 357 468 37 v 144 527 a Fj(\017)43 b Fl(What)30 b(is)f(Dynamic)g(Searc)n(h?)144 697 y Fj(\017)43 b Fl(Motiv)-5 b(ation)144 867 y Fj(\017)43 b Fl(Fish-Searc)n(h)144 1037 y Fj(\017)g Fl(Fish-Searc)n(h)29 b(F)-7 b(ormalized)144 1207 y Fj(\017)43 b Fl(Shark-Searc)n(h)28 b(\(ak)-5 b(a)30 b(Mapuccino\))144 1377 y Fj(\017)43 b Fl(Metrics)144 1547 y Fj(\017)g Fl(Spider)29 b(Ethics)144 1717 y Fj(\017)43 b Fl(Hac)n(king)1333 2118 y Fk(1)p eop %%Page: 2 3 2 2 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 780 187 1106 4 v 780 315 4 129 v 838 272 a Fl(What)29 b(is)h(Dynamic)f(Searc)n(h?)p 1882 315 V 780 318 1106 4 v 1884 353 37 136 v 814 353 1106 37 v 144 523 a Fj(\017)43 b Fl(User)28 b(t)n(yp)r(es)i(in)f(a)g(query)-7 b(,)29 b(resource)g(limits)i(\(usually)g(time\))144 693 y Fj(\017)43 b Fl(Dynamic)29 b(searc)n(h)f(to)r(ol)j(in)n(teracts)f (directly)h(with)g(WWW)258 839 y Fi({)43 b Fh(Can)27 b(also)e(consult)i(static)f(searc)n(h)i(engines)144 1009 y Fj(\017)43 b Fl(When)29 b(time)g(is)h(up,)e(user)g(gets)i(\\qualit)n (y")h(results:)258 1155 y Fi({)43 b Fl(No)29 b(\\404)g({)f(do)r(c)i (not)f(found")258 1301 y Fi({)43 b Fl(Relev)-5 b(an)n(t)32 b(do)r(cumen)n(ts,)27 b(hop)r(efully)32 b(b)r(etter)e(than)f(static)i (searc)n(h)258 1447 y Fi({)43 b Fl(More)29 b(information)h(\(eg:)39 b(Mapuccino)29 b(|)g(visualizat)q(i)q(on)i(of)350 1569 y(subgraph\))144 1739 y Fj(\017)43 b Fl(CLEVER)28 b(is)h(one)g(example) 1333 2118 y Fk(2)p eop %%Page: 3 4 3 3 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 717 291 1232 4 v 717 419 4 129 v 775 377 a Fl(Dynamic)29 b(Searc)n(h)f({)h(motiv)-5 b(ation)p 1945 419 V 717 422 1232 4 v 1947 457 37 136 v 751 457 1232 37 v 144 627 a Fj(\017)43 b Fl(W)-7 b(eb)29 b(is)h(a)e(temp)r (oral)i(DB)258 773 y Fi({)43 b Fl(If)30 b(a)e(serv)n(er)h(is)h(do)n(wn) e(or)g(a)h(page)g(has)f(mo)n(v)n(ed,)g(wh)n(y)g(list)j(it?)258 919 y Fi({)43 b Fl(Av)n(erage)29 b(lifeti)q(me)i(of)e(a)f(WWW)j(do)r (cumen)n(t)d(is)h(24)g(da)n(ys)350 1050 y Fj(\003)44 b Fh(Hal\015ife)25 b(time)g(an)n(y)n(one?)144 1221 y Fj(\017)43 b Fl(Cognitiv)n(e-Scie)q(nce)32 b(approac)n(h:)37 b(giv)n(en)30 b(results)g(from)d(a)i(static)i(searc)n(h)230 1342 y(engine,)f(most)e(users)g(will...)144 1513 y Fj(\017)43 b Fl(Another)28 b(w)n(a)n(y)h(to)g(lo)r(ok)i(at)e(a)g(\\traditional")j (spider)d(in)g(a)g(static)230 1634 y(searc)n(h-engine:)39 b(maximize)29 b(information,)g(minimize)h(time)1333 2118 y Fk(3)p eop %%Page: 4 5 4 4 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 1056 403 554 4 v 1056 514 4 112 v 1114 488 a Fl(Fish-Searc)n(h)p 1606 514 V 1056 517 554 4 v 1608 552 37 119 v 1091 552 554 37 v 144 722 a Fj(\017)43 b Fl(\\The)29 b(searc)n(h-engine)g(is)h(lik)n(e)h(a)d(sc)n(ho)r(ol)i (of)f(\014sh)g(foraging)g(for)230 844 y(information)h(in)f(the)g(WWW)h (o)r(cean")144 1014 y Fj(\017)43 b Fl(\\Where)29 b(fo)r(o)r(d)h(is)g (abundan)n(t,)e(they)h(repro)r(duce")144 1184 y Fj(\017)43 b Fl(\\They)29 b(die)h(in)g(p)r(olluted)h(w)n(ater")e(\(this)h(is)g(lo) n(w)f(bandwidth\))144 1354 y Fj(\017)43 b Fl(\\They)29 b(split)i(to)e(follo)n(w)i(new)e(paths")144 1524 y Fj(\017)43 b Fh(de)27 b(Bra)g(et)g(al.)34 b('94,)27 b(not)f(necessarily)i(for)e (WWW)1333 2118 y Fk(4)p eop %%Page: 5 6 5 5 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 847 33 972 4 v 847 145 4 112 v 905 119 a Fl(Fish-Searc)n(h)29 b(formalized)p 1815 145 V 847 148 972 4 v 1817 183 37 119 v 881 183 972 37 v 144 342 a Fj(\017)43 b Fl(Keep)29 b(a)g(\(priorit)n(y)-7 b(,)30 b(depth\))g(queue)f(of)g(y)n(et-to-b)r(e-explored)i(do)r(cumen)n(ts)144 501 y Fj(\017)43 b Fl(Initiali)q(ze)32 b(it)e(to)g(some)d(seed)i(URL)g (and)f(depth)h(=)24 b Fg(D)258 641 y Fi({)43 b Fh(Getting)27 b(this)f(seed)i(URL)e(is)g(an)h(orthogonal)e(problem)144 800 y Fj(\017)43 b Fl(Rep)r(eat)30 b(while)h(resources)e(last:)258 939 y Fi({)43 b Fl(P)n(op)28 b(maximal)h(priorit)n(y)h(do)r(cumen)n(t)e (o\013)h(queue)258 1079 y Fi({)43 b Fl(Do)29 b(nothing)h(if)g(depth)f (is)g(zero)258 1218 y Fi({)43 b Fl(Read)30 b(and)e(parse)h(do)r(cumen)n (t)f(\(this)i(is)g(the)f(costly)i(part\))258 1357 y Fi({)43 b Fl(If)30 b(it)g(is)f(relev)-5 b(an)n(t,)31 b(a)d(reasonable)i(n)n(um) n(b)r(er)d(of)i(its)h(c)n(hildren)g(en)n(ter)350 1477 y(the)g(queue)f(with)h(priorit)n(y)h(1)d(and)h(depth)g Fg(D)258 1616 y Fi({)43 b Fl(Otherwise,)30 b(some)c(n)n(um)n(b)r(er)f (of)j(its)h(c)n(hildren)f(en)n(ter)g(the)g(queue)g(with)350 1735 y(priorit)n(y)j(0)p Fg(:)p Fl(5)e(and)f(depth)h(1)g(less)g(the)h (paren)n(t's)144 1895 y Fj(\017)43 b Fl(P)n(ost-pro)r(cessing)29 b(here)1333 2118 y Fk(5)p eop %%Page: 6 7 6 6 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 144 687 a Fj(\017)43 b Fl(Fish-searc)n(h)29 b(is)h(really)h(\\Best-First)f(searc)n(h".)144 857 y Fj(\017)43 b Fl(Original)31 b(\014sh-searc)n(h)d(uses)g(b)r(o)r(olean)j (\\relev)-5 b(ance")31 b(measure.)37 b(W)-7 b(e)230 979 y(re\014ne)29 b(it)h(to)f(include)h(an)n(y)f(similarit)n(y)i(measure)d (sim\()p Fg(d;)14 b(q)s Fl(\))350 1125 y Fh(\()p Ff(d)27 b Fh(do)r(cumen)n(t,)h Ff(q)h Fh(query\))144 1295 y Fj(\017)43 b Fl(Our)28 b(similarit)n(y)k(measure)27 b(w)n(as)i(cosine-angle)1333 2118 y Fk(6)p eop %%Page: 7 8 7 7 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 991 432 685 4 v 991 570 4 138 v 1049 523 a Fl(Re\014nemen)n(ts\(1\))p 1672 570 V 991 573 685 4 v 1673 608 37 145 v 1025 608 685 37 v 144 778 a Fj(\017)43 b Fl(Score)29 b(deca)n(y:)258 924 y Fi({)43 b Fl(Eac)n(h)29 b(no)r(de)g(inherits)h(similarit)n(y)i(score)d(from)e(ancestors)258 1070 y Fi({)43 b Fl(Children)31 b(of)e(relev)-5 b(an)n(t)30 b(no)r(des)f(get)h(similarit)n(y)h(score)e(of)g(paren)n(t)258 1216 y Fi({)43 b Fl(Children)31 b(of)e(irrelev)-5 b(an)n(t)31 b(no)r(des)e(get)g(inherited)i(score)e(of)g(paren)n(t)350 1347 y Fj(\003)44 b Fh(Then)27 b(w)n(e)f(m)n(ultiply)d(b)n(y)k(deca)n (y)g(factor)g Ff(d)g Fh(\(cf.)36 b(Marc)n(hirori)26 b('97\))258 1493 y Fi({)43 b Fl(With)31 b(inherited)g(priorities,)g(depth)e (usually)i(redundan)n(t)1333 2118 y Fk(7)p eop %%Page: 8 9 8 8 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 991 355 685 4 v 991 493 4 138 v 1049 445 a Fl(Re\014nemen)n(ts\(2\))p 1672 493 V 991 496 685 4 v 1673 531 37 145 v 1025 531 685 37 v 144 701 a Fj(\017)43 b Fl(Considering)30 b(anc)n(hor)e(text)j(similarit)n(y)258 847 y Fi({)43 b Fl(Instead)30 b(of)f(c)n(ho)r(osing)g(c)n(hildren)h (arbitrarily)258 993 y Fi({)43 b Fl(\\Neigh)n(b)r(orho)r(o)r(d")30 b(of)f(anc)n(hor)f(text)j(also)e(included)144 1163 y Fj(\017)43 b Fl(Priorit)n(y)30 b(no)n(w)e(is)i(a)f(linear)h(com)n (bination)f(of)g(inherited)i(score)e(and)230 1285 y(anc)n(hor)f(score) 75 1455 y(The)h(re\014ned)f(algorithm)i(is)f(called...)41 b(\\Shark-Searc)n(h\\)28 b(\(Maarek)h(et)h(al)f('98,)75 1577 y Fe(www.ibm.com/java/m)q(apucc)q(ino)p Fl(\))1333 2118 y Fk(8)p eop %%Page: 9 10 9 9 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 795 33 1076 4 v 795 162 4 129 v 853 119 a Fl(Shark-Searc)n(h:)37 b(complain)n(ts)p 1867 162 V 795 165 1076 4 v 1869 200 37 136 v 829 200 1076 37 v 144 355 a Fj(\017)43 b Fl(Cosine)30 b(measure)d(inaccurate:)258 492 y Fi({)43 b Fl(Twice)31 b(as)e(go)r(o)r(d)g(to)g(ha)n(v)n(e)g(a)g (w)n(ord)f(app)r(ear)h(t)n(wice)h(instead)g(of)f(once?)350 610 y(20)g(times)g(instead)h(of)f(10?)258 747 y Fi({)43 b Fl(The)29 b("bag)g(of)g(w)n(ords")f(approac)n(h)g(is)i(problematic) 144 903 y Fj(\017)43 b Fl(Age-old)29 b(\\searc)n(h-engine)g(p)r (ersuasion")h(problem)144 1058 y Fj(\017)43 b Fl(Ho)n(w)28 b(to)h(c)n(ho)r(ose)g(limits?)144 1214 y Fj(\017)43 b Fl(Usually)30 b(don't)f(w)n(an)n(t)g(man)n(y)e(results)j(from)d(single) k(site)144 1369 y Fj(\017)43 b Fl(In)n(tra-site)30 b(links)h(less)e (signi\014can)n(t)144 1525 y Fj(\017)43 b Fl(So)29 b(are)f(links)j(to)e (mega)f(sites/adv)n(ertisemen)n(t/coun)n(ter)j(sites)144 1680 y Fj(\017)43 b Fl(\\Site")30 b(is)g(a)f(v)-5 b(ague)29 b(thing)75 1836 y(W)-7 b(e)29 b(hop)r(e)g(that)h(com)n(bination)f(of)g (con)n(ten)n(t)g(and)g(h)n(yp)r(er-info)g(will)j(do)c(the)75 1954 y(tric)n(k.)1333 2118 y Fk(9)p eop %%Page: 10 11 10 10 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 1135 118 397 4 v 1135 229 4 111 v 1192 203 a Fl(Metrics)p 1528 229 V 1135 232 397 4 v 1529 267 37 118 v 1169 267 397 37 v 75 437 a(T)-7 b(raditional)31 b(IR)f(approac)n(h:)37 b Fg(D)31 b Fl(do)r(cs)f(\(=WWW\),)h Fg(R)25 b Fj(\022)e Fg(D)32 b Fl(relev)-5 b(an)n(t,)30 b Fg(S)75 559 y Fl(retriev)n(ed)g(b)n(y)f(our)f(to)r(ol.)660 905 y Fd(r)l(e)l(c)l(al)t(l:)984 863 y Fc(j)p Fb(S)s Fc(\\)p Fb(R)p Fc(j)p 978 885 198 4 v 978 934 a(j)p Fb(D)r Fc(\\)p Fb(R)p Fc(j)1272 905 y Fl(\\all)i(the)g(truth")524 1076 y Fd(pr)l(e)l(cision:)984 1034 y Fc(j)p Fb(S)s Fc(\\)p Fb(R)p Fc(j)p 984 1056 186 4 v 1033 1106 a(j)p Fb(S)s Fc(j)1272 1076 y Fl(\\nothing)g(but)e(the)i(truth")75 1411 y(Recall)h(demands)d(a)g(test-site.)41 b(The)29 b(comm)n(unit)n(y)e(still)32 b(a)n(w)n(aits...)75 1533 y(\(CMU-W)-7 b(eb-KB)29 b(e\013ort?\))75 1691 y(Precision)h(sounds)e (irrelev)-5 b(an)n(t,)31 b(since)f(user)f(bro)n(wses)f(an)n(yw)n(a)n(y) h(\(top)g(10)75 1813 y(items)g(are)g(the)g(only)h(ones)f(ev)n(er)g (read\))1316 2118 y Fk(10)p eop %%Page: 11 12 11 11 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 1046 232 574 4 v 1046 343 4 111 v 1104 317 a Fl(Our)28 b(Metrics)p 1616 343 V 1046 346 574 4 v 1618 381 37 118 v 1080 381 574 37 v 75 551 a(W)-7 b(e)29 b(used:)453 486 y Fa(P)544 577 y Fb(d)p Fc(2)p Fb(S)691 551 y Fl(sim)o(\()p Fg(d;)14 b(q)s Fl(\))144 721 y Fj(\017)43 b Fl("The)29 b(more)e(the)j(merrier",)e(bad)g(do)r(cs) h(don't)g(harm)e(us)144 891 y Fj(\017)43 b Fl(P)n(oten)n(tial)30 b(scores)f(\(queue)h(priorities\))i(not)d(coun)n(ted)g(|)g(just)g (actual)230 1013 y(score)g(of)g(fetc)n(hed)h(do)r(cumen)n(ts)144 1183 y Fj(\017)43 b Fl(Hand-crafted)29 b(queries)h(to)f(compare.)37 b(Not)29 b(v)n(ery)g(scien)n(ti\014c)144 1353 y Fj(\017)43 b Fl(Blind-test)144 1523 y Fj(\017)g Fl(Hand-crafted)29 b(queries)h(used)e(for)h(CLEVER)144 1693 y Fj(\017)43 b Fl(Other)29 b(w)n(a)n(ys)f(to)i(measure?)1316 2118 y Fk(11)p eop %%Page: 12 13 12 12 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 1023 280 621 4 v 1023 408 4 129 v 1081 365 a Fl(Spider)29 b(Ethics)p 1639 408 V 1023 411 621 4 v 1641 446 37 136 v 1057 446 621 37 v 144 616 a Fj(\017)43 b Fl(Iden)n(tify)30 b(y)n(ourself)258 762 y Fi({)43 b Fh(Mak)n(e)27 b(sure)h(y)n(ou're)f(kno)n(wn)f(to)g(the)i(w) n(orld)144 932 y Fj(\017)43 b Fl(Do)28 b(not)i(o)n(v)n(erload)f(other)g (part)n(y)258 1078 y Fi({)43 b Fl(No)29 b(m)n(ultiple)h(connections)258 1224 y Fi({)43 b Fl(W)-7 b(ork)30 b(at)f(o\013-load)g(times)258 1370 y Fi({)43 b Fl(Use)29 b(a)g(cac)n(hing)g(pro)n(xy)258 1516 y Fi({)43 b Fl(Resp)r(ect)31 b Fe(robots.txt)437 1647 y Fh(also)25 b(R)n(OBOTS)h(meta)g(tag?)1316 2118 y Fk(12)p eop %%Page: 13 14 13 13 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 1065 707 536 4 v 1065 835 4 129 v 1123 793 a Fl(Algorithms)p 1597 835 V 1065 838 536 4 v 1599 873 37 136 v 1100 873 536 37 v 144 1043 a Fj(\017)43 b Fl(Ho)n(w)28 b(to)h(do)g(dot-pro)r(duct)144 1214 y Fj(\017)43 b Fl(Ho)n(w)28 b(to)h(compute)f(Hub/Authorit)n(y)h(score) 1316 2118 y Fk(13)p eop %%Page: 14 15 14 14 bop -22 -60 a Fn(')p -22 1841 7 1733 v -22 2017 a(&)2715 -60 y($)p 2715 1841 V 2715 2017 a(\045)p 154 2017 2393 7 v 154 -60 V 75 384 a Fl(T)-7 b(ry)29 b(and)f(implemen)n(t)h (the)g(follo)n(wing:)144 554 y Fj(\017)43 b Fl(P)n(arse)28 b(HTML)g(tags:)39 b(headings,)29 b(lists,)i(paragraph)d(break...)144 724 y Fj(\017)43 b Fl(Multimedia)31 b(indexing:)258 870 y Fi({)43 b Fl("the)30 b(strip)f(where)g(Dilb)r(ert)i(said...")258 1016 y Fi({)43 b Fl("\014nd)29 b(free)g(RealAudio)h(station)h(that)e (broadcasted)g(at)h(least)g(3)350 1138 y(Beetho)n(v)n(ens)g(this)g(w)n (eek")258 1284 y Fi({)43 b Fl(Read)30 b(PS,p)r(df,W)-7 b(ord...)37 b(\014les)144 1454 y Fj(\017)43 b Fl(Getting)30 b(rid)f(of)g(adv)n(ertisemen)n(ts)350 1600 y Fh(junkbuster)g(pro)n (xies?)1316 2118 y Fk(14)p eop %%Trailer end userdict /end-hook known{end-hook}if %%EOF