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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教
}9 I; r3 s/ Mglobals[
* e% I% c6 Y2 n6 b, _# y1 Axmax. L6 y) z$ [. e+ E+ x( S
ymax) y2 J& {" F/ i! q; c% V
global-reputation-list- i$ t1 |. g& L8 i& k1 W8 ~
6 h( a/ q5 q. l. `6 W! f; U9 l( m;;每一个turtle的全局声誉都存在此LIST中( L7 g$ v* T: M3 l2 ^
credibility-list
Y- W) }7 x5 w;;每一个turtle的评价可信度
5 S) N- p6 ?* d# I" {honest-service
! X1 F7 o' y: }% u% ?7 O1 L4 `unhonest-service
: }6 U9 X+ p. Q& Soscillation
. ]0 z9 f& L- t) z# U+ f/ \+ ^! ^ prand-dynamic
& f& A! }, N$ O& b5 B( N]
7 ]* w$ i9 b$ Q* t/ @6 M2 C0 x
" E9 a! L$ b# e: [3 ?turtles-own[
9 {% O o$ Z) m6 |, t3 p8 W2 i5 btrade-record-all0 U& {* `( {! |( o; O" z
;;a list of lists,由trade-record-one组成
8 Y a' x% l0 W) \trade-record-one
2 P- v% K6 t9 {1 ?;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录# j7 z5 }6 W. ~$ Y7 Z5 V% v) ^3 B
8 }6 n/ H8 W3 I% B/ n
;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
) e: V7 B% j* j- a- `" E! Htrade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]5 U( [: W2 h* D$ Z4 X. F. L
credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list
' l. J8 q5 Q$ V( @ Sneighbor-total- `7 S: O) Y) \& t6 a
;;记录该turtle的邻居节点的数目6 P8 f6 b3 Q/ l; D# H+ ?* Z* S
trade-time
$ N8 |" v" |1 W2 L6 X4 a;;当前发生交易的turtle的交易时间
8 p) F; U/ t' x C# S9 g# k5 Wappraise-give; }1 u4 G1 \, s; y @, J: }
;;当前发生交易时给出的评价
+ Z2 |! A2 n1 x! iappraise-receive
$ B! S3 P& ?: \7 ?5 b G;;当前发生交易时收到的评价! \. E8 y" u/ {% B4 y0 ^+ ^5 V# V
appraise-time
7 R: d P" S' D" o+ t9 K1 I/ U;;当前发生交易时的评价时间
0 F. ]$ Z: ]% {% t/ jlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
6 `1 x2 V' b& p6 M! o1 Ctrade-times-total S2 X0 A( z4 ~6 P& V
;;与当前turtle的交易总次数3 Y$ k! _" K) @7 G
trade-money-total7 N9 C0 M) o7 ?. ^( j O
;;与当前turtle的交易总金额
6 S4 ?$ j# R% d1 N( b l* ~8 b& F6 F8 clocal-reputation
2 n+ w$ i _9 \) Mglobal-reputation- Z) R. O# [5 P( B: S" h$ k
credibility
9 `. q) m8 {( Q8 l;;评价可信度,每次交易后都需要更新
: n2 N+ T; x _0 \9 q dcredibility-all
7 P; E- ~) i* S& F3 a;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
5 n6 O4 a" L8 T0 `0 _5 [ d, G& x" H8 I4 o/ ^2 {' J
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5) c& k' |) t3 }7 D
credibility-one
) H: M; ]; P5 {' |;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
" f" i( W4 O. a. y+ d0 lglobal-proportion6 Z p. \& |* V8 N3 N
customer
4 E# e/ V7 [4 K* ?customer-no& S5 P. U. k- } X) r
trust-ok
+ C& E) O7 i& P$ _trade-record-one-len;;trade-record-one的长度
) {3 E8 b" T+ P) \1 m9 z! l2 d; v]9 Z" `* |- M' [, V( d! X/ p
" {* {! D0 p" |) J0 ]" L. a
;;setup procedure; ^/ n9 B& g, B
# L) c% _2 n$ C- n9 m0 M, B1 b
to setup4 `9 o7 W2 \" u$ y9 I3 P: \
7 N4 r' T4 r+ r! ^3 J1 t* y5 U; d
ca5 Z+ g- n" b, t5 J Q
: N& h) L1 _4 b- {# f' Xinitialize-settings
# x9 F! M" r: S0 ]3 M1 ^% W
m- U6 L6 p7 e3 e( vcrt people [setup-turtles] }% }* a, \! C) D
8 i6 Z/ L+ C/ F
reset-timer
& ^% ?; N( {0 A- Y4 j5 t" v% z# v
c( n1 Q7 E# l; d7 r. _0 Hpoll-class
+ m; q" V5 i; p- O! Q' ~
, s( I2 _& x2 E# k: I) Esetup-plots
& m' n) P' ?* i9 [1 Q* K
# Y! V1 L; H& E+ j+ u" ], zdo-plots+ ], M3 `7 K3 z% N. F. `1 |, e
end
, \, w7 z4 B+ ~4 C$ k( r$ p1 G, Z/ K
to initialize-settings1 R {9 ]4 D0 i
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set global-reputation-list []
6 C+ d1 u+ b- B. _8 z4 {3 L9 b0 v
set credibility-list n-values people [0.5]
3 u0 `' y+ k7 ^8 `6 ^+ x' ?. p2 p9 B
set honest-service 0! H# d# P3 k" k6 }
3 }5 Y; X# n$ b& r0 |set unhonest-service 0- @; r3 H( u: ?/ L
7 X/ I5 I; }+ i. w& s( F7 b
set oscillation 0+ d; f6 P9 ^5 u3 l
* F+ I$ z7 z' H- d! Q! n7 {+ \set rand-dynamic 0
6 Y( |/ I' E5 v; g1 T0 V+ ~end
: n5 v% |, x6 b; ]$ H: N. _! M( F
2 a# y3 Z# ~8 ^to setup-turtles
3 Q! H: p" T2 L9 e8 Y, mset shape "person"
3 ]; _5 _2 ~( ~5 c& X/ ^# Wsetxy random-xcor random-ycor
# }& K! P) B6 l1 o$ _5 k) b, a% S" A! pset trade-record-one []/ F4 m3 |( @$ t0 |: V
( B8 Z9 K2 \7 P; x# e/ U
set trade-record-all n-values people [(list (? + 1) 0 0)] + d& _# f6 M$ w7 s
" z* x! S1 ?8 n9 L9 W. C2 t
set trade-record-current []
6 @/ d* r0 j' {; n0 b/ P8 T2 o; lset credibility-receive []9 f# P9 O: ?8 u7 N6 h q& \
set local-reputation 0.5) ~* j6 g" X% a: ?( J) |9 |6 W
set neighbor-total 0) H% R- m Q# A* a1 j+ C
set trade-times-total 0
2 ` _. M$ `) Bset trade-money-total 04 E, i% a; @2 g' H" q e8 P, U
set customer nobody6 g" [3 Q/ V) E! q9 o
set credibility-all n-values people [creat-credibility]
7 r8 z2 T) B5 S, p% A$ vset credibility n-values people [-1]
9 u8 g6 w5 P7 _3 M8 Y; S% H4 ?: Lget-color) U" ]7 }& r5 h* S. K; y
, P7 S' A0 K* d uend
/ Q! o. D$ j3 N W |
$ E6 e4 O4 {$ F$ {/ Q' Qto-report creat-credibility
" G& u# Y0 }% q1 I* V" Freport n-values people [0.5]0 ]& E! M. w0 D. W* d
end
+ d, \; ^( Q9 ^* G- D4 G7 u" Y3 a4 f" M0 }9 u# w& \: x: t
to setup-plots
6 p5 r8 |# T2 G( S& J7 F9 c+ x0 c9 q' N |( c8 T
set xmax 30, W. M( E; s& j+ ~0 e" y
5 B' l5 h1 ?: c5 U
set ymax 1.0
; {2 \, H( \3 {( A) j, C7 w4 @
' L+ T- |* B% L1 J) G6 }0 zclear-all-plots3 v! {: |$ T4 J% u! a1 Y. S
7 C8 ~; ^# t( K% _/ [* t% f4 K. dsetup-plot1+ m @" L& ?; |4 ?
* ]$ @8 G, M" a1 P$ W& M! i
setup-plot2
- N3 S. M- e1 V& o7 w0 U {3 h6 S, N* Q' i3 v% k& x5 i6 c. N
setup-plot39 p( ]; a. ]% N } M. t
end- r" f: t% e% c* Z) ?
# J+ o0 q; a* |& |1 ^7 E+ w;;run time procedures2 ~/ [& m# f9 o1 _( |! `1 _
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to go4 ~( u2 }3 l: y5 j
# \3 b7 c5 L4 d/ k& R
ask turtles [do-business] e3 W& u. P! m" {5 m
end6 e1 [: a+ z$ Q
9 E b# ?+ o4 S9 \/ s& [! P( wto do-business 2 r9 U3 o) ~) p9 C3 j s! s, d
8 D) M$ \4 N. W; |3 @( W y
. V$ v9 j9 Q }0 |" n9 Q9 F# V
rt random 360
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: @4 Z' f( j5 F1 x& C: `fd 1% {3 T; u( Q4 s9 h+ k6 i- k0 ^
/ |; E+ S( ^; ^& oifelse(other turtles-here != nobody)[- l" h6 @$ o: [9 M ?9 n+ t4 j
3 z& N6 e# z6 u, [5 t2 ^set customer one-of other turtles-here
, o" ]4 X3 B2 o7 u1 J" p
: r, | c/ I, S3 @5 B- @" F;; set [customer] of customer myself8 q `3 x& G! |' _
& Y) M# ^4 x4 A) xset [trade-record-one] of self item (([who] of customer) - 1)
8 z. Y+ t/ ~, G3 R4 o0 Y[trade-record-all]of self1 a8 p# X) I+ ?3 o, \1 x
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
( i9 r. q, K6 D. c
7 A; `: j- k A) m$ Q) U; Wset [trade-record-one] of customer item (([who] of self) - 1)
0 { p i# \2 l$ e[trade-record-all]of customer
: n" Y/ c% M1 a& t x4 b* T* C. g/ Q; ]7 s- r
set [trade-record-one-len] of self length [trade-record-one] of self) n* G+ _! G$ a, f
' D: e$ T, [! m
set trade-record-current( list (timer) (random money-upper-limit))
" u* d9 Z$ |' S6 S6 \- S
: b5 b2 u7 e3 v6 T2 dask self [do-trust]
% Q- S J7 R% {% p( q6 m1 T) |;;先求i对j的信任度/ r% U J0 d0 h, V
5 r& A+ g6 L& [( n9 X; wif ([trust-ok] of self)
7 [/ J1 X; ?; Z;;根据i对j的信任度来决定是否与j进行交易[
8 f2 i c. S: S; r- V. lask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
% B7 {) U1 \- r
1 p8 Z3 h' R. ^* M[5 j# m# B" V1 B6 F$ D% ^8 M+ {
& R4 B# F* H4 ]5 E) m, q& v
do-trade
- G) O j3 d% t9 H" p
4 o$ l9 V* ]' n6 C) Rupdate-credibility-ijl0 w3 P8 e& D/ K0 R
% `! q; ^- m5 Z6 z; r) }
update-credibility-list
7 ?9 K7 e7 [+ L$ y8 l9 b5 s. }$ t, s9 ?+ k+ B( c, J7 ?
$ [. v% U3 s7 L- M7 h4 x0 A( T/ E
update-global-reputation-list; {, ]* X9 c8 N' I% j3 x. k5 f3 y
. k, f" W) F+ Q
poll-class M8 r0 l8 J) s
* m8 K* j# X2 k8 ~/ L4 O
get-color7 M* ~1 r1 V) ~, @, t
# g. A) O- P' |- Z; A q3 T" `
]]
" d* l9 _: Z3 [+ ?9 Q% [, l
" a, M& \4 L* q; }3 |5 N. [# U;;如果所得的信任度满足条件,则进行交易
9 T$ p5 G$ S- c9 k: L- A7 d1 E
0 d+ j5 I: b7 z& \5 ]% \; f[
5 X/ C( h( P) S+ v! Z0 \, z7 m, J' n5 K& n7 v
rt random 360; A6 b+ s6 X/ \4 h, T# ?: E$ ^, Y
" G5 @% s6 s% [" f3 c! C2 Z
fd 12 q$ ~/ r$ T5 Z3 w; g- [* j, U# j
3 G" M* M3 w; q0 W. k]$ H8 J6 Z! n9 ]5 j
0 m# T9 D$ r, c' h3 Cend" ~( V0 c9 u' p, J
5 O4 q% K5 J( w. Q! Q. `) ] uto do-trust 0 U5 p' d0 B& D$ `9 `: C! B& s
set trust-ok False% X- N; Z+ W; H R6 E( o- b
6 p- s8 _3 N, c1 C. T. R' [# y0 s6 N8 l4 h" I/ Q4 }
let max-trade-times 0( v' H3 `) x; o8 u5 Z* z3 J
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
: @* x7 L5 q4 _' l/ wlet max-trade-money 0' c1 P2 M C/ H4 c, z9 z7 e- E1 C/ F
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 H& T0 W0 Y# I- W8 O3 I
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)), Q9 f- m4 @* o4 r' i
4 C ]$ q0 S( Q$ H! n
^+ P' J9 ~1 ^3 Q, X
get-global-proportion6 }7 r$ ^: G7 L' b: D5 E, r
let trust-value
( ?' ?1 _( b$ ] r h: vlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
+ _; P% d2 m4 p" C5 I# D& ?if(trust-value > trade-trust-value)% p* r) K4 {2 e) D" C
[set trust-ok true]
7 g; A. L8 [& r) aend, m9 ]- M8 ^% J/ X/ ~* n
2 W. p! ?# ]: d2 y8 o* h
to get-global-proportion5 i; G1 g' k# Z8 C A0 Q4 x
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
; A, B/ W" o3 j. `[set global-proportion 0]- B5 H, D, g- `/ m6 ^/ m
[let i 0
, m: p$ s) m. G' U; `let sum-money 0
9 l% M1 Z6 t' |% q; g' Gwhile[ i < people]) Z/ F# T2 a/ A) n/ W, M1 }
[9 A- y O- f4 `( S! W; {
if( length (item i6 D9 b6 o) j, N$ c+ i& O
[trade-record-all] of customer) > 3 )
1 j$ w" a J- `1 G T[9 r3 v1 p! v$ R! W- U
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
$ f" \2 y- i& a]$ F0 I$ d0 |, B7 c: H) ~' u
]6 G. X6 G" Y" D
let j 0
4 V# ]5 k/ Q: a5 ^4 v7 Z# Rlet note 0. x4 R" @! R/ g
while[ j < people]: L; g. d5 V" b
[# _; f) H4 D. H
if( length (item i Q% h# e! m3 @9 O
[trade-record-all] of customer) > 3 )5 b: V) \7 c7 o' _8 G
[3 E% M5 Q/ B( b' |
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)& X1 M/ f. `9 o0 T% h* `; b
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 m0 O# y' }3 P$ |: ^3 N% w
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] j2 P3 G# W6 T8 w- F( ^
]
( z2 B$ D' o$ m2 u2 m], ?4 S* s& J: I1 V. I
set global-proportion note
. V; {4 K' ? d R" S]
2 d: c1 A( r+ Y8 ~, y1 q) ]end* [; s* u# \6 l( v1 l4 z
5 G. q# g8 x5 Q$ z) L6 A Q6 m3 b
to do-trade ~5 G4 G4 R0 x
;;这个过程实际上是给双方作出评价的过程
7 c, S' y5 L6 eset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
0 ]) U* M' K4 a5 Iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价7 i1 P+ ~- p9 m$ T7 @" S
set trade-record-current lput(timer) trade-record-current% l7 V$ i+ c9 ?) Z0 E+ W, v. e
;;评价时间
( b3 E+ W: g6 rask myself [
9 `6 C! x6 J. `' f( ~update-local-reputation3 y% C0 `( Y0 n9 `7 K+ K0 b9 e
set trade-record-current lput([local-reputation] of myself) trade-record-current. |- I# \+ C4 t* W8 p
]
; [ M Y1 X) f" c8 u5 E* qset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself- E6 G5 v! X/ A# O
;;将此次交易的记录加入到trade-record-one中" M3 \0 S1 y7 _: b! b9 Y
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)* W- d d9 [( t
let note (item 2 trade-record-current )4 X: q+ B7 ]: T6 e1 \8 i
set trade-record-current
, i( H3 s" U8 \( `1 ^. V(replace-item 2 trade-record-current (item 3 trade-record-current))1 O7 o4 e" e% c' M% Z9 n
set trade-record-current
* `# j0 \$ X3 u8 O(replace-item 3 trade-record-current note)
. p6 z9 j9 I$ Q2 ~. `8 h) X' g' n* c+ Z5 K6 e0 r' J
# }* R' P2 P* \8 z0 i2 C1 x; Jask customer [
Q( f* E+ V) x, m/ y( H Gupdate-local-reputation
, [: _0 {9 @: m6 [set trade-record-current
( t' G/ ^$ H/ r8 q(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
3 N8 ?; z( S K]- f6 e. S( ^( G( C. ^2 ]
3 t; W( Z0 e. V- @5 m$ @
; T4 S( L H/ z( x, F% c8 Bset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer5 L2 \5 o1 _# Y( g
& G. w! N% {& f- o: J
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))) b/ e8 W0 ]) w1 [2 p
;;将此次交易的记录加入到customer的trade-record-all中
. P( a$ y1 p8 Rend
^) ~$ n* }8 [+ F4 b" s. a: |3 Y0 L7 }* f( r6 W
to update-local-reputation
/ {! R. u! K5 \$ E6 qset [trade-record-one-len] of myself length [trade-record-one] of myself6 K: m; p. \8 @9 I
( ^# t# Z3 J9 m+ f: w7 |
e5 n: g; y0 A% ~;;if [trade-record-one-len] of myself > 3 / q, T' r" p0 ~' a. Q6 x! v
update-neighbor-total' K& [ j( c# C5 M' u
;;更新邻居节点的数目,在此进行
4 S, H: \5 I9 K- ~let i 38 ?' k0 \( T1 f2 d
let sum-time 0
! V7 }" S+ D& l: T [( vwhile[i < [trade-record-one-len] of myself]4 J" u, g( q5 @( |- z; r
[1 g% F& [; w1 M* n& y; F
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )( U F* ^" w) @7 G
set i! M$ x( f! ^: C# L: S
( i + 1)" x4 H- O a6 m
]1 P+ t- H6 }7 n) G7 Q" U L
let j 39 q9 R- c/ G/ ?" s8 Y0 l! N( {
let sum-money 0
3 \1 L2 B6 j1 }( X1 Qwhile[j < [trade-record-one-len] of myself], g' e2 @. X2 ~* d
[
5 Y5 Q0 Y8 y2 M8 |. I; L |set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
$ N" `4 i: W* h& p, f/ Dset j6 r( a# o) R5 }2 L9 x6 g6 p
( j + 1)4 i0 b! ^2 \5 S5 G; z
]5 a+ T. U/ j+ t6 A: W! I
let k 3
5 m- G: h- R* b y/ h3 |' ?3 C. ~0 [let power 0
% t2 [! f' h, V8 a! p* Mlet local 02 C( J+ ~5 C$ `& Y( |+ S
while [k <[trade-record-one-len] of myself]! p z" B+ g& J4 c* d w3 z# Z
[
( T" h/ n- K3 n6 vset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) ' I% _* _9 l; r- a- Q. w
set k (k + 1)
- \% M( u9 a+ U6 ^4 A; I5 b8 p9 D]
$ I; [- s# c/ k2 w, z& bset [local-reputation] of myself (local)% t3 I$ u' S+ y; B/ w( y
end
# M2 B" c0 p5 j3 u9 V9 [( c2 \- K! H4 \ H+ W
to update-neighbor-total W! s" S5 ?: s' W) t
# G- l b3 d* Iif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
" H, Y9 P; n6 _$ U) X1 P3 ?& W$ x' f9 d1 l2 Z
# O @ o; }% |& _9 n
end
8 p- p6 s" m" `0 H! A7 ]3 G9 `: B' F; G& j6 a# Y. c7 Z0 r
to update-credibility-ijl
1 ^. E; J- t, d4 q
I0 _! b" I) B1 ^. {;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
& L0 p* z* q* T/ E) W G/ n6 }( o2 q: Ulet l 0# m( b3 g- v3 L1 {( p9 C o' u- f. F
while[ l < people ]
9 i' h* ~! K2 \% `( H;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价& j$ Z+ [- L, u1 H$ c2 |
[( F* `( j" ]5 ^9 M' Y2 w X5 |8 P
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)0 B( u T1 _ U+ h; K
if (trade-record-one-j-l-len > 3)
; y7 ~7 p3 x- A- d: F- c[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one
* J+ a! r7 a; \! z. A& u* y. M- Llet i 3, l3 b* M: ]9 u4 ?; b
let sum-time 0
! l2 e6 k# a% @5 I; ~) \0 ~/ \while[i < trade-record-one-len]
8 r) _5 ]. E. i, B[1 i+ Y- Y+ ^" f6 W' x! Z
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
/ C; ~8 T. h- A& x, z1 F- aset i& \! V% u/ ], T
( i + 1)3 L- R6 o8 n0 j# V% H2 [9 i4 ]
]/ s+ I, y7 i) r- K$ `4 L9 o
let credibility-i-j-l 0' D8 D% C/ q- f9 ^+ N, R
;;i评价(j对jl的评价)9 L) U. [& A# B. n+ t. ^" y
let j 3
; {1 r4 k6 j! u. U5 D) X) \ Z& Glet k 4/ K( R# m" i$ S6 x5 s
while[j < trade-record-one-len]! }' e4 z, e! F8 ~3 p! p! N
[
}+ |! g& a6 d" i" Y+ xwhile [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉 _. f% S) s: Y
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)2 U0 |5 X2 f, b: v7 k$ K
set j# r# g# P# u) K$ K# E: l) B, s9 v' N
( j + 1)
( E Q9 u" k" E6 c }- O]
) E2 C! g8 X& D) `set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))
! r' l M; [7 J4 n) ~4 C/ p
$ J9 d A9 i( A& a8 @
, h: U( T8 F0 D1 blet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))5 f$ f! t8 `* _
;;及时更新i对l的评价质量的评价% b8 R3 v8 j# r& A( c5 g2 E) ^
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
- u; ? K. R+ }5 Jset l (l + 1)
( A* W5 | K+ s3 U4 L! ?]
1 L! D$ B( ~ t6 Q8 G5 rend% i$ O% \0 J. H0 X/ T7 a$ L2 O5 t
q3 _/ z8 ~! Z5 K9 G
to update-credibility-list: V. u. M# k! s+ u: K6 z
let i 0# t; L8 V; M$ l# ]: w& Y, T! G j
while[i < people]
4 l7 T3 M$ Y$ g[* ?, }* y- N3 m
let j 0
. T/ \/ h. x5 b1 \9 n1 Ulet note 0
! J. }5 M% v. T# t: [let k 05 e5 l/ [! Z2 g4 g; R" i* j
;;计作出过评价的邻居节点的数目
3 U# C- ]. \2 B/ V- Dwhile[j < people]
( Y, ]5 F3 h9 F9 s7 v! |[
# m. l# O3 i% i2 d( Q! |1 L, mif (item j( [credibility] of turtle (i + 1)) != -1): ~7 a+ j$ Q5 m! T. O
;;判断是否给本turtle的评价质量做出过评价的节点
4 y7 h. I0 u+ e4 {* L: Q5 f; c[set note (note + item j ([credibility]of turtle (i + 1)))
1 h/ T* _9 z: G: d;;*(exp (-(people - 2)))/(people - 2))]
4 M3 V' ^' P; t! n$ Cset k (k + 1)' z) l7 E( Z x5 q, T+ y1 b5 w
]
6 ^& Y) j; i2 n0 F- N' ?set j (j + 1)
) F/ l1 b/ z0 E' o3 \8 d]
6 @- |3 x: S* R# n; {6 Z$ E! ?- @set note (note *(exp (- (1 / k)))/ k)% C; ?+ A; g) ~4 l+ Z6 K0 O
set credibility-list (replace-item i credibility-list note) n# q( p( v# P3 k4 k( q/ g
set i (i + 1)) ]: ?4 @, o% x
]+ n4 `7 \9 e2 S' _4 E7 N: d( Z! ^
end
5 a/ D" T5 L- ?7 h& q ~
3 Q) X! ]$ ?; U2 oto update-global-reputation-list
2 ^2 m, c& A7 _. @# _let j 06 H* j! ?8 W6 @8 `
while[j < people]' @. `9 ]- J1 o; Q9 |5 a3 `
[
8 n& m. X# K* [* ]let new 0
/ g, L4 p+ ^- N @6 P7 a;;暂存新的一个全局声誉
" K) m( j$ o9 e* Zlet i 0
( f4 D$ F9 `: G/ N' I$ N7 Jlet sum-money 0' ^! i6 N* V. h) i) E$ e
let credibility-money 08 p( t6 Y* }2 ]& @" n. s/ f+ k @
while [i < people]) v% r) j& s& Z& a; p- q H
[7 j8 ]; ~+ n- r& `
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))4 e7 i* l5 Z6 m; S
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
& L0 n6 g, r8 M" Oset i (i + 1)1 @& j/ X5 L% A2 {$ ?! U3 s, x: }
]
' [' h- ]6 @5 F# m8 flet k 01 e c4 Z' L( h* w
let new1 0! r k# q# Y& y0 E
while [k < people]+ ]# x% w l3 Y- K( `
[
- E) G* p. o- L6 d9 H$ ]; Uset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
8 |# F' A0 O: Oset k (k + 1)+ x. M1 ]* N6 d: G# C( p
]
" w' p( W' f# m6 c7 Rset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
v- t) H! @4 F# Q4 pset global-reputation-list (replace-item j global-reputation-list new)
' G- F5 y; C5 Dset j (j + 1)/ I9 ~7 g- \. j9 M1 e
]. i- `3 `4 F/ f! |5 b, f" n
end
+ B8 K, y9 |$ C! J0 w) i4 h: s `4 A5 `8 b' u
# ^- S: J# V: V
/ i" {; q7 K* G( `3 \to get-color
+ g: f6 P2 C0 j# y% E
5 b/ B2 W, h' P/ iset color blue
; p. d! \! U! q" M8 b2 R. C. `end
5 V3 d. a6 h- e) s5 x. K$ P( V/ |( W1 E9 q8 I
to poll-class
: K5 v/ I1 v2 R2 A, N% W3 f- e# \5 w( lend
& J) {% T3 [3 Y( _* ?- B
% s# }0 U$ n' fto setup-plot1
% i. _& U( B) E& K7 X- t V3 ~, }% V8 U& ^( ?( t5 q& u% q
set-current-plot "Trends-of-Local-reputation": T8 m" M. D: R
+ `" V% N Z' ~7 q5 u( |set-plot-x-range 0 xmax
Q+ v7 M0 x6 r4 I" E. D8 s: R! h' u2 w/ ?( i' l
set-plot-y-range 0.0 ymax
" @- e' p) v$ @+ n+ Jend3 Z8 A* g0 D0 K! E, N
; [# L1 P) Y; M8 \. N' Q8 ^/ mto setup-plot2 X, E; ]$ A3 g! U; `) c( X" O; Y
% L% a+ \; A9 g+ [7 x
set-current-plot "Trends-of-global-reputation"' { a v& i- I6 Y5 b4 L
m% k: E) d+ b! k1 g+ l9 l( C- p2 l$ I
set-plot-x-range 0 xmax
: N5 c, D/ Y, ~6 ?* h
0 W3 }% [5 E4 n* z2 o8 Nset-plot-y-range 0.0 ymax. v" w: I: L! E
end4 ]0 s% P& r, D% I! l
( j0 X: o) {+ N1 `5 i0 {5 yto setup-plot3
9 o& ?' D& P$ @& f9 S+ v4 g, Q9 M; r0 P. N4 i
set-current-plot "Trends-of-credibility"
- B# r- f& e% ~; t8 _) b9 B3 s' |7 @$ R6 _ {
set-plot-x-range 0 xmax
7 G$ `0 f# l2 s; m, ]/ B3 a8 F8 z* G' q9 U( R
set-plot-y-range 0.0 ymax$ q& e6 b% X& `: e- s+ t* `5 e
end2 [+ y l3 w6 l+ [) r0 Q! H2 K
c' t/ x& v+ M' Vto do-plots
1 z5 P7 d1 U$ iset-current-plot "Trends-of-Local-reputation"+ ~- G9 |0 _/ w' I% i; M U {* u
set-current-plot-pen "Honest service"9 ?( t% e: N6 }' F: P; H
end
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; h6 ~+ @9 H7 g' r" T/ k[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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