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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, ~1 j ^* r( ~9 j9 J
globals[" Z* F$ L( S; b" k# s. v
xmax
$ m c. J$ k% D$ M6 cymax
2 q! b5 q' q- S8 ?( q$ z# Sglobal-reputation-list" g3 T0 Y- w+ }6 ]8 k4 J( ]1 o
5 l) u, x/ T" s7 ]+ q; J% F; D;;每一个turtle的全局声誉都存在此LIST中8 M E# h2 z1 x1 j2 }" E
credibility-list
1 p" k- v; Q5 {5 \;;每一个turtle的评价可信度
* n4 K9 ^( F) |0 d) Lhonest-service
1 z- U6 l6 c3 X. I: u- _' qunhonest-service G. L$ y$ U; H) W& G% F& q. h
oscillation
: \ J; N- M& Y8 m- Vrand-dynamic9 ?6 O H5 C4 l% g3 f+ ?8 `
]- ^% {1 ^: ~! R6 p T y
$ d/ X4 T. r+ f+ }% Kturtles-own[
1 L. E/ d" ?& M! o" ], s V$ e4 [trade-record-all4 U4 I8 H8 V' |; s( X$ A% ~ j
;;a list of lists,由trade-record-one组成& k' G- L8 B2 i& D
trade-record-one# c3 G3 x6 |1 q- U) o, D$ H1 ?9 {
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
! M$ v; t! w6 ^% a7 Z. T3 f# N0 w; h" ^& E& l# Z8 k" {
;;[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]]
1 _2 L; B2 P0 m B4 ltrade-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]
) _! A' `+ `0 |; Ucredibility-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
7 B$ V# M$ c8 U% @* qneighbor-total7 |1 }7 {) Y6 _' `4 ~: G4 e7 z
;;记录该turtle的邻居节点的数目+ r! J" H& h! v
trade-time; Y4 N! V( [& O& T) m$ _$ u/ b; F
;;当前发生交易的turtle的交易时间
6 U& \5 K; I+ `' gappraise-give$ D2 s+ Q1 r; I/ \3 _
;;当前发生交易时给出的评价( `7 T$ R$ w1 v% y, Q" T" p. X
appraise-receive! d7 v! J: @( n( ~
;;当前发生交易时收到的评价9 Z4 R2 T$ m' U/ S1 |! |+ `
appraise-time2 Q. y$ e% N$ A, z$ L
;;当前发生交易时的评价时间+ N: |1 w; t: t$ F$ v+ q8 p
local-reputation-now;;此次交易后相对于对方turtle的局部声誉- E* n4 w; Q$ N; D) A5 ]( k9 [
trade-times-total
7 _% L9 N/ M5 }$ Z( F;;与当前turtle的交易总次数
+ W0 D0 [, ?1 g5 btrade-money-total. j6 p& k- |: Z2 |: @7 C6 @& u
;;与当前turtle的交易总金额4 Z) ~0 ?# G6 H3 G$ {; L
local-reputation
" O8 ]/ W; Y) ?+ I) d% L" L0 M# Sglobal-reputation* h) `7 H0 R* E, {5 _$ A% x
credibility4 Y. Q0 f- i/ w; s! X
;;评价可信度,每次交易后都需要更新. i$ w# s* ], c" Z. Z- y
credibility-all
8 k$ ]& b, E1 u, M8 J;;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
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?" J- B9 x; _$ w: Z, a;;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
) q+ j$ J! h6 F) Z/ u: wcredibility-one
, z/ Q2 |- {; @; h9 Z' l;;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
4 g5 L% \/ O) o5 d$ ?" M( Fglobal-proportion
2 }% Q4 L/ g1 @2 ocustomer* i/ S/ l& w" D* L* B
customer-no9 R4 L6 {* H1 z
trust-ok
0 J& J) R& B1 ]! xtrade-record-one-len;;trade-record-one的长度0 u( y/ ]( o3 @4 F( m" l* S3 ~
]' n8 l5 Z+ Z2 f
3 c2 u9 s3 z5 `$ ~4 A;;setup procedure) s5 X4 T# ~% ]* D
" {+ D; k* t0 i! z: Z5 rto setup' \' A- K/ ?$ d. J
6 o) c* u" y: [
ca
* x% z8 ]& ]6 F4 G
; c- o" z$ a8 winitialize-settings
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, h8 `: Q1 m8 x" B' {# E3 lcrt people [setup-turtles], B- h- m$ f5 }- Z+ X+ n) T: L
4 c# Q& ^+ i6 \) ?5 ]+ [reset-timer$ v9 r5 X& B! P- `; i
. ]1 h& r! h! J* x0 O
poll-class
0 Z8 ~4 Y! s( W& A- h( h* c+ Q6 N6 D/ d, i0 F3 ~1 N D
setup-plots
# g9 w5 @$ ^- V1 d9 h+ [
; P. C) b' v7 fdo-plots& ]! l. F$ ^* a! P5 K
end
8 v8 [6 H, z H& D& J& {7 f
$ j1 ]# h! L" j$ N3 b& K! _8 H4 Zto initialize-settings9 O0 I9 F7 X: V' q" Q% g% q
/ u; L' g; |, G6 m3 x( Cset global-reputation-list []
6 C9 n" Y4 v/ D+ @' w3 }+ U- l+ j& L% T: O: d% H
set credibility-list n-values people [0.5]3 m* d$ {3 R. D
) h3 q6 x+ n; u* s% j0 Qset honest-service 03 f3 S. S9 I$ |) N! |3 D3 k
/ d' L; u! a2 _* c' }8 p
set unhonest-service 0
; D1 A0 N1 @# V. n% k: P# U! [* S: g9 g
set oscillation 0( E$ l9 G! i9 y& e2 h) l
- E- _! O+ ]4 Q* c
set rand-dynamic 0
' G7 T5 f2 Z) o* }end: K. d- G, L5 k1 q
* O! p5 z/ \$ k- n6 u: _' o, k$ N* L3 ]
to setup-turtles
; V, p) |0 ]/ w. A1 O% ~/ }3 w: pset shape "person"- z' `+ G1 E& Q- J2 T3 e" g
setxy random-xcor random-ycor4 V8 y2 M3 k. `
set trade-record-one []2 g# ]6 R$ t' d7 y! ^9 x# a
A. D: t! r/ Q/ C/ O- I' g
set trade-record-all n-values people [(list (? + 1) 0 0)] 2 o& Z5 e9 `# u
4 S1 C- a& k4 C' \# t3 U. bset trade-record-current []0 [! c9 F% m6 w; e- T2 w
set credibility-receive []
% F4 s5 J: c% ~! Rset local-reputation 0.5& O/ O" Y$ x' d N! ]6 w
set neighbor-total 0
. B6 @+ G: j2 `- H9 eset trade-times-total 0
9 r0 l5 r. {. c4 f% e0 @( m9 Uset trade-money-total 0* B, W5 g7 F. }6 X$ H
set customer nobody0 Y% j* \8 }% {/ D1 r( G4 _7 R* L" Z
set credibility-all n-values people [creat-credibility]' B6 L2 t, O3 y6 `+ K9 @
set credibility n-values people [-1]
$ ]# U! z6 F; @get-color
# s; a% _6 M; J
: E4 }2 p& @+ _$ ^end+ I1 ` D" n; C% N
1 k. r6 @: [, ]$ ^& Qto-report creat-credibility9 `5 z& Z5 g7 l% v- k7 F
report n-values people [0.5]
' p% H O9 x: g" [. B7 Mend
) V2 h V1 D5 S- O* }; w2 S* `* g- H, m8 w
to setup-plots6 Y3 e' F. N" z v, x
# U! @3 t ~: b, mset xmax 30
/ \# x8 k5 y3 K6 Z3 `; |' C6 ~: d
set ymax 1.01 F# F, }$ A* s7 v, v$ s1 Z: c
7 C7 V9 F) r, W2 w0 Iclear-all-plots! t' m2 Z/ |9 S( g, g! C, ^
5 @/ V- I+ O# Q+ s' W- _) R
setup-plot1+ l, |8 w, g% o
3 H& y' [% u6 n4 \ a
setup-plot2
3 h% f2 [5 {5 p2 T3 _0 `7 r
f0 q$ I1 b, w7 K/ x2 vsetup-plot3
9 U1 o% ?! [3 K3 ]% dend- a3 \$ N0 i+ ~
" b3 p" ~: X9 ]! d3 E
;;run time procedures) g# ]* K+ n1 R6 X, s4 R
9 G9 w h- Y2 C2 Vto go
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9 ^# e3 A1 |3 |( I, e& T. v( xask turtles [do-business]: d+ k7 x8 {3 F9 b; j, d: D- m
end2 ~5 ]; P: z. j, z9 w( Z2 K8 F
; P2 ~* y* ~, ~5 {! c( fto do-business 8 A) x( [9 Q) i& x* T
3 K+ z& }; j) [' P9 b
9 I2 H N& ^2 ~5 wrt random 360
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& K* t0 Q$ x; }% _ q3 x S' ^fd 1
4 t: p' R3 {8 D7 t7 f) v; y5 }( t/ |4 V" U
ifelse(other turtles-here != nobody)[
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[* V1 F$ |0 Q* Wset customer one-of other turtles-here
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/ j0 B; {; |, D;; set [customer] of customer myself
, m2 G* r4 R1 R- t) G& I9 S; x1 ]
$ N2 }- J( C0 F1 yset [trade-record-one] of self item (([who] of customer) - 1)
2 h3 h/ Z6 ]/ Y$ t& F4 I, |: E[trade-record-all]of self* }6 K, U) r" j
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* J5 V- f8 C1 F8 ~% ?
( x: d+ o4 c4 A5 J4 e: w: R6 q
set [trade-record-one] of customer item (([who] of self) - 1)
- Z6 |6 l4 r9 _3 S" u+ P[trade-record-all]of customer
# l6 ]) V/ v9 J& k; g$ h3 G% d* Y/ @) d& i9 W$ q% W( w- l) e+ ?, ~
set [trade-record-one-len] of self length [trade-record-one] of self0 U# C+ ^. ~( E/ s! b( ]3 M
, \% X, ~2 c* i" c
set trade-record-current( list (timer) (random money-upper-limit))
4 t5 h0 D2 v& R5 G5 c7 v* I6 A( z; I9 }' [
ask self [do-trust]
0 \0 l, O# e; w# U1 ^! q;;先求i对j的信任度; L, v+ w( U. a0 ]+ H5 F/ E
& [% S+ n( E s1 w _if ([trust-ok] of self)
$ ]* B$ j" u' y: c9 ~;;根据i对j的信任度来决定是否与j进行交易[
7 ?* l. R8 S. nask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself P& a. V8 X$ h$ M! `5 n
" x5 A" N! c3 S- H {
[ C; `8 j% _) E, u+ W4 e; A" F
1 O, ~! {3 u3 J7 H, b7 [do-trade$ \ \& U! h. L
9 ]; }/ n' {6 D; d( B
update-credibility-ijl
1 q' Y- H9 m1 Z9 j, u V x4 u# a; D2 d& a: Z0 f2 B& [4 S- u0 e' P
update-credibility-list. }3 g1 [$ `# s9 Q0 D
( K v- E" P: |3 \; T4 E
% E7 c2 Z! j1 T9 h+ X6 Gupdate-global-reputation-list2 n: d8 g- j, G5 y g
! W0 \! ^# M6 p: E$ Q9 h A+ F9 [! `
poll-class5 Y' I; R9 V8 T: x" i
( z1 r! S8 [- \2 Xget-color
* h+ s: s$ H( e# ?
; `( E& } s' g+ p]]
& U* {$ g9 U( j1 x3 e$ \& u" Y- v0 q# E4 D$ J: p# y
;;如果所得的信任度满足条件,则进行交易
6 w" B7 m, ~2 f* `+ G0 S i& z( i/ B* b5 w7 l- B) g9 d2 a% }
[# ?! G5 Z( r1 c) ]; h
/ I% z9 [$ g! t! V3 f) S0 }# z3 {5 Jrt random 360
& V: b5 Y/ V" i% i3 [7 g
3 i# u7 a c# ?8 ^: pfd 1
- x6 \- ]+ F/ c8 I0 ?% _& E: _ ]+ @ }/ D. e
]8 E' [3 I8 d* B) j4 ^3 z
$ n+ I0 @4 f5 r# j+ ~5 T4 P
end3 q: W% O6 R* i! p' F2 I a5 U
7 r9 J+ [% `. ?' pto do-trust ' B) r# w* j" Y$ x1 U$ C
set trust-ok False }7 P3 ^- s( ?" I( `
8 j+ K. H/ u7 z+ v% R
- p. V. n8 [, h, u: K! J3 i2 v' Olet max-trade-times 0$ G1 X" o3 C% e( t o c
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
$ u4 x! O Z2 blet max-trade-money 02 z* C) H, K1 d* U( O
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]. ~/ e+ F/ w6 z7 _
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))3 Y$ |- ]' l' D+ f4 Y" H5 t' S
5 m3 r4 a% ?" w) q0 C- E
2 _: D) T6 R3 {
get-global-proportion
5 ^+ j6 ?% C! m" a; K% ?3 Ilet trust-value# U2 ] A7 B/ \4 y
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)2 \- u# m5 f) ?2 S: f
if(trust-value > trade-trust-value)6 H( f/ x; Z+ r: V
[set trust-ok true]( J# ~2 V6 ~5 P) S
end
{1 W. R2 h3 Q/ x6 V% M$ w8 D9 L, j5 R9 g* y
to get-global-proportion
k/ C7 G9 ~" ^1 ~+ xifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
" i4 H6 h v& J, F5 E0 H! F[set global-proportion 0]
[/ c: T$ r: \* a3 V6 P: b[let i 0' k# A, M& _+ Z9 |
let sum-money 0
S; K% P1 ~: p. H: p" r1 s( R, rwhile[ i < people]2 R7 P$ h1 ]( `2 G. v
[
4 G7 D# B4 `7 M) T1 Bif( length (item i1 q/ z/ s& Z! m2 n/ }' d9 |- N
[trade-record-all] of customer) > 3 )
5 x6 i7 @) O3 k0 d- X# z[) G% b$ F, C/ r/ w2 [5 C" `
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
5 h9 r4 S, M% ^1 C3 ]3 l$ x]( x, c& j' W, o% f7 g2 D7 N
]: X, h, V: A: L3 _
let j 07 i) d- C- G6 w7 g
let note 09 N6 z, j7 ^5 ?. G) P' F* N, }
while[ j < people]
' M9 \) r Z0 w. U' T% t( P& A9 Y, b[& u" E. D. G) Y+ C I
if( length (item i
5 J3 t4 N. x4 E1 I[trade-record-all] of customer) > 3 )
* O1 t- ~) h. e2 ]7 n7 {[" ~# i3 Q% V; N* W* J# M5 t
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
1 S( z: X% G" N9 ? u% P. s[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]+ A' E* ?! q7 A
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]- y! a* Z% g$ W' q% _4 `9 z5 I
]
7 L3 S6 r$ E: p- a" d) Q1 s U]" W6 m; V" U" A& B0 E
set global-proportion note
8 B: p" H4 a. x3 ]]" d# O4 K- N/ I" m6 O0 T& v# x
end/ s9 m, l T7 t8 b0 b. S% R& y
! |% {, v) Y# d V _& a8 x% Fto do-trade
8 |4 i+ O8 ^ e- ?0 [;;这个过程实际上是给双方作出评价的过程
7 G1 A$ m- i9 @% P4 o( dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 |0 J! P" y. h$ l. s2 |3 zset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
4 Z1 ~: l, T9 n% I6 ~) s; cset trade-record-current lput(timer) trade-record-current
" m3 M$ w; K1 g;;评价时间
+ S& \8 F1 U$ _6 f- n5 o$ V q+ sask myself [- P$ T% L' x+ `' @7 F& U. A
update-local-reputation6 I$ n1 h" _- W. {! E/ ~
set trade-record-current lput([local-reputation] of myself) trade-record-current
7 B/ x) L. B2 k7 x2 [) B]
9 F- |0 x0 h0 B8 Iset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself A1 a$ Z- i/ v. }' }# `" m
;;将此次交易的记录加入到trade-record-one中+ _3 h- j3 s8 x: |3 T2 m! \
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
! @9 ~# f7 n0 I% T* G2 `+ p5 Zlet note (item 2 trade-record-current )4 M, P& J! o0 w3 `
set trade-record-current/ M+ C) u9 l- k( e3 R" V
(replace-item 2 trade-record-current (item 3 trade-record-current))
' w& ]7 W8 t7 K3 ?( j1 bset trade-record-current
" _( }+ P% b% ^. P, @ _; V! R! L- w(replace-item 3 trade-record-current note)
3 z7 r( f6 u9 [6 F# @! L! T9 I( W+ Z. t1 [9 r; w( \
' |" b6 H1 ^+ S: e- S& zask customer [
) Q6 U( U% T! c H3 F6 Zupdate-local-reputation
7 i- {/ E, {3 c; K) Z! Y$ D, Jset trade-record-current, Y& {* m6 E+ c) v% I/ O. ?" A
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
- D, x) H4 l& K- q/ j6 u$ a]* p$ v; r, L# y; | \9 y$ {
: r' d. h8 v5 a# k; x3 R
3 Z6 \+ X4 ~+ }% Hset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
( t6 J3 W3 F4 K( S& w: f9 D1 t, b7 w* o: q: ~
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))- ]' M5 ~5 z& o; }6 q0 S) r U. F3 B5 ^
;;将此次交易的记录加入到customer的trade-record-all中" Y$ X) W: \8 e. z6 q
end$ {' e, o9 w0 ]: B) _9 F
0 e7 I2 Q* w2 `# @, U1 l) [to update-local-reputation
( ^, Q2 T: z/ u+ ^* [) u, O/ Jset [trade-record-one-len] of myself length [trade-record-one] of myself
% c& @# m6 }: G1 C9 T2 O5 h+ H6 _. f. P6 ?2 R, {/ I
: n% \1 }( M) R) M" J H
;;if [trade-record-one-len] of myself > 3
% o/ r; x9 P( H! J. m, Fupdate-neighbor-total
2 W% r$ w1 b2 w: l7 V* i;;更新邻居节点的数目,在此进行! E! }4 _* T2 o h6 P
let i 3
; N. w; r3 ^: _: ?let sum-time 0
( h+ w. p. H [/ Cwhile[i < [trade-record-one-len] of myself]" Q; }( X# ^# T% D$ n3 m
[
) x$ g3 W5 q8 X- ]$ kset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
W V* n) c1 K) p/ ~- f; ?set i
+ x' P8 a; A! a, o3 ?( i + 1)3 t" ?0 n" q; n
]
5 D" I, V& Q2 Klet j 3* p0 V6 w; J: U
let sum-money 0$ T1 R5 d) X: v- `- b
while[j < [trade-record-one-len] of myself]$ j Y! M) K( {
[$ R) `% p, |4 Z. n
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)
! X: u5 d1 f& }0 y/ j: jset j
9 m3 {2 Q0 m3 ?/ U( j + 1)
: o9 ~0 w5 d$ e1 |. w) o/ j]# g; y5 ` p9 u/ c, T/ y) E4 y
let k 35 K Q+ s, O \* p6 p2 _
let power 0
/ Z% L4 b- ]$ g$ q& G1 G2 m" }let local 07 _" ` g* I1 q# f8 ~
while [k <[trade-record-one-len] of myself]; I' q& q8 t, w1 u* @( [
[
1 L$ G+ u& a! bset 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) ( f! m# j2 L3 ` Y- b7 \
set k (k + 1)8 ?6 q+ P2 { X0 h1 ~, p
]
7 Z. x) B( z) W" p, V. Y9 iset [local-reputation] of myself (local)
* J( ^/ J$ g5 B4 |- j2 Oend
1 d; l3 x* s+ T9 e6 ~1 L) {. @! V8 C: }
# D" i r. _+ ~2 n$ Lto update-neighbor-total6 q) h: y: b$ \7 h" g. M' }( l" c& \
" H5 e) o. G5 I* a; Zif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]* \& l! k2 ^) L8 {
Y1 ]% y Z1 ^! ~5 \) V( Z+ j* ]
% [" l T2 C% K3 e/ H0 nend
L( z6 q% z6 f" m r4 l, i Q- Y- ~
to update-credibility-ijl " `" n7 ~) o/ W! Q3 g
1 Y3 [+ S: d# v! R5 G E" s+ a' g* x;;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。
; b+ d) A, E# C. j' y" J* ?let l 01 E* J+ T1 `6 j0 G# J8 @1 v
while[ l < people ]
2 d) D! Y6 V0 r/ j2 Z4 W" n;;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
: E& a1 R# R' K+ a) F: \5 g[* S R" H( p2 l# A% f
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
# P2 N) Q) I$ N; Lif (trade-record-one-j-l-len > 3)
3 v7 ~3 ?) A% @/ x$ K5 s[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-one7 |7 @! k/ V" X8 G
let i 3
9 o4 ^2 l/ R: n2 P; e5 ]let sum-time 0
; V6 p. ?: i) M( U* swhile[i < trade-record-one-len]$ |- x ~5 G4 d# k2 T8 c
[
, o) V/ b; x$ u+ B2 w& Sset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
. b3 T0 B' o [$ _4 M0 h2 c: h" zset i
! s% e4 o4 F1 |5 B% f5 m: [2 g; W, A( i + 1)/ ?* @4 ^4 b3 y; o1 V/ q. O
]
+ ?5 c; k# i3 u/ Y. ~/ r$ b& u6 Ilet credibility-i-j-l 0
& W. u" n @' B3 i' U8 f;;i评价(j对jl的评价)
; n& h) W: A2 Wlet j 3* [* ?5 Z) L; X) b& I- S. x7 {
let k 4
4 |, h7 w. ?2 b/ V# qwhile[j < trade-record-one-len]) e0 g. `/ A7 r& m0 r! K
[
$ M- D5 S; i7 q; o, I0 ]7 p+ Awhile [((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, d) G) s: S" ~3 K3 k0 r$ M6 K
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)
f* ]' o) E; @0 J% Aset j
t" V! R6 n/ t2 M; l4 t7 w( j + 1)
2 G9 R. d0 o7 s( T8 \]
# ]2 x: @1 }0 J7 V; Nset [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 ))
1 g. }- F: C; \/ F) }7 n1 d, H! n* ]/ ?# M9 J7 i9 t
& I( I; i. n3 p# m& Q
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
) M6 E$ K% c- o* |7 I7 q;;及时更新i对l的评价质量的评价: R" L" G' ~# I: Y# S! R; Y
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
+ Y1 k" Q8 v# \4 G$ F9 ?set l (l + 1) \4 c! H' }. b2 ~% s/ P
]* B9 o5 E' N2 j: s* d
end' V4 c" K+ n7 K( }' n" T+ i
k' t" M" Q+ b* p$ d7 C$ v
to update-credibility-list
8 I4 W; B% z" M( |. ?let i 0
( n- J' g8 M4 ^! Q$ T& ^while[i < people]
: W3 v) q8 C0 `6 [% L7 Y0 O[
; Z3 K, w( q4 |0 m5 n+ clet j 0. x: |" C. C7 l
let note 04 E; x0 \9 ]5 Q4 M8 D
let k 0
/ A% S2 ]) I8 h+ S4 Q;;计作出过评价的邻居节点的数目- N' A! J2 D- z* c
while[j < people]) i5 Q; s; ^. ^/ R
[
c! v! N- Z3 \7 r9 J7 sif (item j( [credibility] of turtle (i + 1)) != -1)
0 |) H; s0 [1 X' a! J; c9 T, X; `& O;;判断是否给本turtle的评价质量做出过评价的节点! l# F; a* P) k" k" k: g# R
[set note (note + item j ([credibility]of turtle (i + 1)))
r# _/ v! |2 z7 F1 R5 s;;*(exp (-(people - 2)))/(people - 2))]
( z& I) P f% |% q2 Oset k (k + 1)" ?) r1 d r0 k) M0 E4 v/ h
]
; [8 a1 y7 v* d, @* m5 eset j (j + 1)* U* O' {1 {7 f$ m8 B$ p/ v4 }
]/ P6 t. R" ]" Q M
set note (note *(exp (- (1 / k)))/ k)& s& c$ I2 a$ b. C0 G) |, U
set credibility-list (replace-item i credibility-list note)' a; R( a3 o9 h! O
set i (i + 1)
* w& I" M; n' M) Z]
! \2 m& I9 Y1 K" I0 ]end
1 n! [8 u. V0 O& A. A' H7 W4 L4 T9 U# Q9 x& b' b! r
to update-global-reputation-list" Q# a& b& S+ g( y2 l/ A! M+ v
let j 0
3 r9 b% y( O( ~while[j < people]
1 u4 b( I5 g$ x; i) _! K" _[" Z9 R, ?( a$ l% K, `( m
let new 06 k0 c2 S5 o: R: C$ ^
;;暂存新的一个全局声誉
; D' q% a1 k; g$ ^- ?: V3 z- S+ Tlet i 0
+ d- M$ J% U( Y% q: l9 @6 blet sum-money 0
D, r. X8 h! `2 u1 ?let credibility-money 0" X8 G( X3 p, @4 [8 R& O4 N
while [i < people]
5 H8 @4 [" x! z; r[
4 S' a. V S! Mset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))4 F2 U, y( ?3 J# \& j' G
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
' j" Z/ o. D' ^+ s) Lset i (i + 1)
& D2 o K7 `3 |4 G3 W- U]% G! L: o8 J2 c3 B
let k 0
4 y8 b" _+ w7 u' V" Clet new1 0 F: f& }1 D) \, F- _$ Y
while [k < people]8 w7 U6 ^. C# u
[0 H! o. a3 v# X* K2 U5 K
set 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)
/ h9 n! [- [( j2 N0 i7 k- Pset k (k + 1)& m8 g, U* B& i2 V Z6 p
]* t o7 f9 b& D* j0 K- r
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 0 q; I4 k7 P+ c1 v) r
set global-reputation-list (replace-item j global-reputation-list new)
- d6 s* `5 l2 j4 W( i5 {0 qset j (j + 1)2 `+ }) z! r7 E2 s7 L
]# w0 h1 Y* Z) ]2 L
end
: j/ Y( `' {, V" _/ G0 o/ O4 n0 t% Y) ~1 L q5 Q1 L. }
3 Y$ ~7 _, y; F4 V8 n
5 w7 y! ~6 p. s/ j7 a3 N; I1 T' Jto get-color; _7 T4 O( @& n4 P
1 u. K, b- k9 h' rset color blue# d( n" C) }: p+ w8 [
end
1 z. C# r/ h) a2 e3 G$ z$ R; q- a* F" B
to poll-class% Y8 v7 e* j& ]+ R2 e/ p
end" |3 y+ l D! {! D; F5 W
0 A! v! I4 t, K+ H9 k+ U1 yto setup-plot10 G/ s0 E- \8 f$ f
# \5 H3 g( E& z4 W s( b
set-current-plot "Trends-of-Local-reputation"
( ^; k$ j: F; f5 g& j6 u; ~
" a+ y2 Z! q: L* d! xset-plot-x-range 0 xmax
, X7 T! Y' Z* F# p' D/ C* o% h$ \! Z. ?+ D# \
set-plot-y-range 0.0 ymax
# V9 _. m& c; p( P( M& u9 Yend
& t ]9 H# s, N5 G% t2 E4 g+ y6 n4 y u. _9 {* z' l2 t+ l
to setup-plot2' P5 g) q) F, Z1 a2 H' S
+ r% C* Y; l9 G6 ` }set-current-plot "Trends-of-global-reputation"# }$ K8 v; T7 D' y) q( `% F+ d
$ Y2 k8 U1 `" W8 S
set-plot-x-range 0 xmax& E1 U3 q. a8 H+ k6 j! |
! p. ~- Y4 Z" o. A9 oset-plot-y-range 0.0 ymax. e$ @( u2 ]. {9 s4 } o
end
: A6 x2 i- T4 M0 k/ O) K1 @0 k$ m( l. O$ B( F8 w( S
to setup-plot30 E0 M( S" [% U
$ q* e, z9 Q7 {set-current-plot "Trends-of-credibility"
6 ]: w1 N9 M# B: R9 I& b# m- I- x4 B- Q& h0 V8 ]
set-plot-x-range 0 xmax
( R7 x- d( y" N4 f7 o3 h0 e4 J& d! _" j6 V6 q
set-plot-y-range 0.0 ymax, ~9 |# q$ C$ l( k: g1 o
end
6 T' D" I& W! ]; p6 N% B9 a
8 y) s( {$ t' m& s( V# v* A$ ]to do-plots
- r# B8 @9 K! [ o5 r" G ^4 v( nset-current-plot "Trends-of-Local-reputation"" T9 q7 \8 |6 A+ ~4 }% Q, u
set-current-plot-pen "Honest service"
: B# K H, c- p' ]: y/ g1 Send
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: U. v% R3 p5 }8 i[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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