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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
5 s# f& I4 P ~3 B0 @( lglobals[
( S# X4 s- g% q O- S1 vxmax
! R Y7 N+ L: Y0 Yymax
) V% P. [2 S$ M- Qglobal-reputation-list& f5 c! T1 h% g9 X7 z
6 p, {5 o. A+ x" t u5 C
;;每一个turtle的全局声誉都存在此LIST中- x& k* |5 M$ L
credibility-list
# G4 }0 h" ]0 W `/ s;;每一个turtle的评价可信度
- y3 e$ @( y; v( c4 w3 hhonest-service. x4 }. ~" e! q9 y: U* X
unhonest-service/ i3 [) F$ J( b0 x5 g! z/ a4 o
oscillation
& z) D; C+ f* D! k% H+ j$ Jrand-dynamic6 ?' c# G X$ G3 ~% u+ U
]. B) ^6 E8 v7 _2 Z+ U2 w# t5 { s
7 A2 _0 L; ], i; Q: Q4 F% n5 hturtles-own[
, ^: q( m! h7 X, ]/ @trade-record-all! W% O0 U5 F. b. W
;;a list of lists,由trade-record-one组成
9 g5 G9 E X( u7 s, B& ntrade-record-one: A/ Q8 C5 Z& z% \
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录: d# c7 \- D [
. k- t/ j: v4 L8 }
;;[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]]
* g( X j t% otrade-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 |: ]7 C1 O' E b
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
8 r5 }1 O, \/ H- H& A7 qneighbor-total
6 y ^, `9 x! F! |7 {: A;;记录该turtle的邻居节点的数目. M" e9 a; h' o1 v& Z9 {2 a% s, Z
trade-time
) w1 |$ U; ~3 {) v;;当前发生交易的turtle的交易时间. a) `/ k) J! R9 X1 r
appraise-give
6 r- b5 D( p% F;;当前发生交易时给出的评价5 R* ^+ v; R: [2 x. q1 Y2 f: G. ~
appraise-receive
5 G( w4 `, z+ Y! [, ~$ i. b8 [;;当前发生交易时收到的评价9 `2 N' t. F3 X) y
appraise-time5 E/ W% J: t! P! J- A
;;当前发生交易时的评价时间: \3 x+ O# ^; {% m
local-reputation-now;;此次交易后相对于对方turtle的局部声誉: ?1 T+ ]1 P' L- I
trade-times-total
: x7 ^: x4 |1 T2 f;;与当前turtle的交易总次数
2 \% e" \. D0 g1 C' q' ]trade-money-total
6 q2 k" I5 _5 j1 ~8 s, W2 N;;与当前turtle的交易总金额0 W5 ~/ H* c* I" W2 N! g: l/ R
local-reputation# g% E4 Y6 s% v# F, M
global-reputation
5 n5 L4 Z2 H2 ?5 x! ^credibility
: U: X1 P$ O- o+ S2 m;;评价可信度,每次交易后都需要更新% B/ O M$ N1 b' [6 M
credibility-all
' i/ z% \9 H+ {3 D2 e6 [;;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! K! Y8 v: t- m
L" p. T' a: D
;;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
0 ?2 {9 B+ J. ?) S# gcredibility-one6 s4 h% o9 _% d) p3 e
;;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
+ R1 Y8 O8 X% Q5 G. V! b" Tglobal-proportion3 G$ E" |# z" \" N7 F
customer
; e; I! x, H2 j/ rcustomer-no% v9 u$ N q, H# a9 P4 W5 K8 p9 o
trust-ok
# J3 t6 t: k# o9 r: wtrade-record-one-len;;trade-record-one的长度8 d- ?5 P2 z, u9 i% u9 l2 `0 ~
]. c) n) N% G. P* G) M3 @# g2 a
: v0 c `" t! K( G4 M;;setup procedure
# h& b. h$ {4 F" e8 `& x: Y7 |
! _+ {9 `; l, _7 F! I8 Cto setup
9 R# q5 p0 u A- M1 K/ @% r3 A" r5 H9 f9 Z8 ?
ca
$ o4 i# I. Q$ P! v, F ]3 }
: x j. l" C+ P6 R& o7 @$ J2 ginitialize-settings
( ?' }1 X' {7 W2 ^. A& M/ G. J) w2 ^
crt people [setup-turtles]
1 M9 k5 l6 Z- @' Y3 z+ f
( B9 ?9 v3 z$ p O- greset-timer
: b6 n0 b( {; _& g7 ^, ]# d8 ?& J! I* ^
poll-class% \6 j! E9 o* {6 S* r, B
) `8 A2 Q/ H* g6 X* T3 Q E
setup-plots
- [' v+ b/ A; c# Q- v. S
|( D9 }/ [# J2 d4 m8 ?" _do-plots
0 i" F8 X8 q( l8 ^6 ]1 Kend: s. R- [' G# l2 k
0 ~) Y, \# _: c, ~! C' @to initialize-settings% q7 j! C, b$ j/ f3 ]& O
! `' N% E( P {# j
set global-reputation-list []8 L0 s2 u9 V* @+ G
# t7 E) l$ s7 y( b {set credibility-list n-values people [0.5]% x5 s S6 J @# m4 @1 P8 ^7 z2 f
9 a; o" c' p$ M" E& t1 lset honest-service 0) Y; W2 D+ F; Q: t f# `0 C7 |
& x& G1 B9 D4 c3 C& ~7 S* Bset unhonest-service 0
$ m0 n9 b% ~- T$ n6 P5 ^
( y8 c, m/ _# x9 C1 g( Aset oscillation 0: x( q7 k* r0 s) i
! B, z W% L; U2 v
set rand-dynamic 0
6 p. j9 u3 w6 ~& z$ \/ @end
$ R/ e' _; M Y J) m$ @
# a6 B# r+ @8 R2 b0 Dto setup-turtles , Y2 ^( Z/ w- f
set shape "person"
- ^3 t3 e# T7 G/ \3 r1 N! Bsetxy random-xcor random-ycor5 b1 N- u7 b0 c( N( N
set trade-record-one []. O& N; K( {, e2 h
$ C* P% T+ O* e4 Q* V+ K) dset trade-record-all n-values people [(list (? + 1) 0 0)]
9 E: K5 s5 Y& s/ M4 A/ t3 K3 Y
* E; J- i/ E4 x3 j7 }# b4 c. bset trade-record-current []
. p7 W4 A% ?. q7 G8 U- ~: ^, p' Kset credibility-receive []4 n. F* L% z$ m! a3 [+ _. M
set local-reputation 0.5/ ]/ h' N2 ]. |* a: W5 k, w/ }
set neighbor-total 07 Z4 I9 i1 A9 ]3 ?1 ]
set trade-times-total 00 N, s" I( R6 l$ k
set trade-money-total 0
/ V6 V* v! B' Z* D% iset customer nobody
5 ?0 ]' D) E7 b8 w* iset credibility-all n-values people [creat-credibility]
9 y4 F( j5 z/ @' I3 s$ aset credibility n-values people [-1]! Z* t, E; L+ H6 @ G0 H3 L
get-color4 a2 y) W0 q \3 m% s, W, e
8 F. I0 K) i4 {& R6 W% |2 O; Y4 yend) [+ t5 o2 p" }+ x- n! x
/ k9 r5 P" G7 S7 v% sto-report creat-credibility
3 V1 M) Y6 X3 [% z3 Creport n-values people [0.5]8 k* ~, J% c! L- N h2 _
end( v- w# a2 z. s
, r) J% Z0 ^/ `+ r
to setup-plots
1 t7 h( F8 o4 ~+ l4 e
( O5 b0 D, v, d* K, k vset xmax 30
% C1 n2 G4 ]: j$ C/ Z1 i R
0 \. d2 P: H! I! L8 T: |- vset ymax 1.0
/ `# k z# `8 V7 f9 P5 q, C$ {) W4 ~$ x* Y' I, w
clear-all-plots
& G- n8 ~5 w( |# |$ |+ t% _7 k$ l
- l. t* \( O0 csetup-plot1
- p5 {9 F1 y7 H& r3 |8 F7 l8 R/ {3 \
setup-plot2( L( F# o9 @- Q- n9 [
4 C0 w5 U8 ^( t/ \, P1 h" w' u9 f9 k
setup-plot33 K' }3 Y5 U9 C. D
end0 h% g" c6 H/ C {; Y
. z" f# H# B6 X1 S" q) m3 Z8 b+ _7 |;;run time procedures' P& n& P: x5 S& _
6 }6 W, x* b; L2 Cto go. R! v$ s6 C# ]4 l2 }
' I1 m' R& Y+ T6 x- I& l4 ~
ask turtles [do-business]/ u2 p$ R# t( T, a: }0 N
end
5 l% Y! J" x# f3 _2 c* v
7 }$ V1 F y) {! P4 J; U0 Xto do-business
1 }0 o0 X% `# J2 A$ P D& S0 k$ w ?& i3 A/ M
$ l5 _. Y0 E/ U, t
rt random 360( F' A0 c0 I" U" S
# R4 |3 r( r3 @/ qfd 1: M, D0 n8 O- s
4 v7 x; k: u% G: D1 ?
ifelse(other turtles-here != nobody)[
7 @0 B# U' |% \3 T/ @3 Y! F
; I% i l$ E& i. M+ [4 p$ k, Rset customer one-of other turtles-here
2 d' {4 m& k, @6 T: R
1 e/ d0 S" b) ?) ~) H;; set [customer] of customer myself
, {$ n! Q" \) p4 N x7 {3 R
3 Z. K) G9 l+ K2 o8 aset [trade-record-one] of self item (([who] of customer) - 1)
( i! U7 C# |2 p2 k[trade-record-all]of self
5 S( x6 v: B, J( F+ n$ I6 Y;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 W5 a5 c% \$ {( H; e% [5 |
3 _9 a$ k) k. u+ \# h
set [trade-record-one] of customer item (([who] of self) - 1)
8 B0 H+ q3 m9 r[trade-record-all]of customer
; i. d+ m" O j0 `) l3 M
/ H6 G$ }7 `! `+ ^! n) n* Cset [trade-record-one-len] of self length [trade-record-one] of self
s4 \2 i# Y- z, p
$ O& c9 h {! f; O8 ?% f6 n* g: x$ lset trade-record-current( list (timer) (random money-upper-limit))
5 U) u. C5 S1 a, v. T
$ R8 a- u) Q) C/ ~# Xask self [do-trust]
$ j) ]' f" n+ H8 V2 `;;先求i对j的信任度% l% `' k8 o1 r/ \, e
: @3 _* p: w0 c# \7 J$ Z1 ]
if ([trust-ok] of self)
; W1 r# Q" H" I( c; k: _;;根据i对j的信任度来决定是否与j进行交易[
7 x% E$ o' k* O- e# bask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) g: _* J- D7 Q& @/ n) J+ D
* J8 P! {5 p: T3 }9 P* X. Y* b
[
5 e: z: i- P6 h' {
8 ]9 l/ { C2 Edo-trade2 X* y7 }) W8 h" k6 |0 ?
; M: c7 S8 ?1 [* h' W) z& y$ mupdate-credibility-ijl* t6 a& c% {- u/ o6 B( u1 t+ j5 n
% v. c# B$ { N1 t- }update-credibility-list4 l/ K* q6 s& [# [5 X3 d
& j5 z1 ~9 [- P
+ v8 B1 ^9 s3 S3 U9 Dupdate-global-reputation-list
J5 q. M& T- g W! { Q
/ [) \" \4 g' W9 Q. E, Zpoll-class
6 c* J" d, n0 E- o5 _5 u& ]9 _ o. _/ f" A- ^! i9 L4 K3 ?; F
get-color3 C& _2 I! G) L, I& B
4 o. Z" e: a: x$ I]]2 F1 U) n2 A( n( k7 j( Y& L4 L
4 L9 C7 C! _0 I" f
;;如果所得的信任度满足条件,则进行交易
3 D+ [3 {& \5 I% e8 C- F
' m/ w$ g+ y5 H* e: m$ I[
7 K# m/ k+ {: C# d! ?- w" G0 b# h8 e+ S" `, ^
rt random 360
- B. g7 |2 H( {3 p& A( ?2 j) z, l) g' l$ u+ d
fd 1
% C6 z1 j/ J' F' `% Z5 j, v* {4 a
]
/ V, F) V' [0 T3 N+ G, w) ?' |* t) A4 \8 }
end2 b9 H, P" w3 {# f: y% A- X/ t
- w4 t; v$ N6 b, p- \( t4 s# R( yto do-trust
$ L3 [; _, f% c" _% C) P. Mset trust-ok False
" X8 ], _, u/ x( r8 A& {2 Z. ^7 {( R4 s. I, u& |
9 h3 ~: _; c, blet max-trade-times 0
) [" i5 P) Q aforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]/ U* [4 r6 Z7 H
let max-trade-money 0! t8 V9 f' H8 Z
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) C% R% K/ s5 ?+ P k
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
" m% X, {8 x; B! ]$ h1 C7 p: \ h6 a- q6 b( D( f; R8 O$ K$ |
. n) b: i. r3 i. M5 C) V
get-global-proportion
- J# ]0 g& a8 zlet trust-value! q( \+ z3 }2 \& S
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)) P& g( P4 T7 O- O0 { g
if(trust-value > trade-trust-value)9 H) S8 {& M% h
[set trust-ok true]
, t8 R: y7 B& w5 ~4 | Kend3 G( g% C, Q% C
' C( M/ s4 G9 t/ @4 f
to get-global-proportion2 u; ~: z, J- f' b* ~# b
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)& d# j4 I6 K5 o7 {
[set global-proportion 0]$ a7 C& c ~4 X8 D5 }# k
[let i 0
0 F2 j: D" U% f8 S/ ~let sum-money 0% d+ ^, F' q6 G
while[ i < people]
6 R' |5 R4 a9 y+ Q9 c. \3 I# B+ j[
: P T/ J3 d. b& cif( length (item i
2 o0 ~$ Z3 i: k# D[trade-record-all] of customer) > 3 )/ X, s. b6 u( g. s3 q! @+ B
[) D% H& W; m z( m
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
! G2 F+ G0 n# f]
3 H& z8 j+ g0 q4 l]
+ h6 v9 I g) u; G4 hlet j 0
: n3 m+ j% p( d& Y# L4 Jlet note 0
. |- @+ U8 w4 Z+ W @while[ j < people]3 l. b" [8 O4 K
[ d6 _! m7 c- [3 _; G4 E3 W; @
if( length (item i
! d1 U/ }7 I/ w' [1 y* y P[trade-record-all] of customer) > 3 ): _% ~+ Y" u$ R7 n; l. ?7 D
[
0 X( D( z& W# @( z1 D( kifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
: s! r3 A3 _* |) }' o[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
9 a- Z( X& F6 Y1 _+ g[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]9 z' I( U6 T$ e0 V% ~0 O6 _; h+ {
] N1 Y2 z6 b7 V! ]. i; L, T
]# u: W7 E+ J- k- K( Q- P
set global-proportion note. f) O# g+ W) {9 T
]
* _$ U4 R( y3 h* ^# ]end
, K: W+ v# ]& A
. {3 ?5 s( B% Q3 `) ?2 }: J. d# p* Gto do-trade
4 e; A |* [, q9 {;;这个过程实际上是给双方作出评价的过程
5 q4 y0 v3 }7 ^; s; `: ~8 ?set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价" N' n6 Z- g+ [& ?3 i! Q
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
' m+ _4 D9 Y' A9 I/ `( u- R+ a5 u' Dset trade-record-current lput(timer) trade-record-current5 r1 ^ p6 ~, O# }. B
;;评价时间
$ a* ?6 }0 X9 d1 z" rask myself [
3 G# S7 Y/ j) S/ Iupdate-local-reputation
6 o3 L5 [. M; A4 G, {$ tset trade-record-current lput([local-reputation] of myself) trade-record-current' B( B2 X& Q: k4 `
]5 r" o9 Q1 l# F7 a6 Y. b5 A
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, w |" `( ]" j3 \
;;将此次交易的记录加入到trade-record-one中
6 M, o5 S; ]7 _9 z+ `. Xset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
0 M: b+ B, F3 k3 j1 _3 }5 slet note (item 2 trade-record-current )
; Z( @" i" L' E$ G% l& Aset trade-record-current
# n H3 A3 j! X+ g$ E(replace-item 2 trade-record-current (item 3 trade-record-current))
0 I- y8 Y: H) D/ t; q3 U4 G8 qset trade-record-current5 s, R- Q, {9 I b! |0 q6 }
(replace-item 3 trade-record-current note)9 @( _" h; J, i: H- o: l6 Q
/ K. k/ V! Z/ i$ t `4 d3 d' `
1 _8 [. U/ s5 O3 f
ask customer [& `4 L; @0 `0 f
update-local-reputation
/ v) I$ ]; E$ Q8 g. `( F# }! X+ fset trade-record-current
4 q5 }8 e" I' b y: q' @! a(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
7 w) ?: l0 i9 [4 J]; m, ] Q; L1 f2 y
' e5 c$ O5 a6 B/ i
b5 ?: B# {6 j% o; e3 y( Aset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
7 X) M6 m8 \3 y$ q
1 i) n' K7 |4 f9 E) H4 eset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))- l9 q; s/ Q* L0 v5 w
;;将此次交易的记录加入到customer的trade-record-all中
: r% x5 e1 ^ ^0 B6 Bend
8 N# H+ D t# o G; b' F; I5 U5 v3 S3 f, l% ~
to update-local-reputation, r3 M" Y" x. P& Z0 B5 B5 B5 P
set [trade-record-one-len] of myself length [trade-record-one] of myself
% m& k V+ K9 e2 i( |; _* V" y. ^; n& T/ \" t7 n
. q' E7 X& k. |5 i# Q1 R
;;if [trade-record-one-len] of myself > 3 & m# ~5 d t( `5 H
update-neighbor-total7 g" B4 G1 h i; n* r( R
;;更新邻居节点的数目,在此进行3 j2 q: s, }* @- p: _& ]/ F* A
let i 30 A7 n. ^! Q# A6 f7 G# y) V# r
let sum-time 0, e1 B# ^% Z+ X
while[i < [trade-record-one-len] of myself]
2 e. C/ P' x& I9 ?1 W[, j: |! r4 ]4 ]2 {8 }
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! b* Z) ?, Y. I7 X$ q. ~) b' c3 Mset i+ ^6 u! \9 d" {/ O, d+ ^
( i + 1)* @ g: h/ Y6 U" ]+ Q
]- {! r9 J' W& m4 ]+ H! k' ^ E
let j 3
5 U+ `9 w' Y6 P F; @' a9 \let sum-money 0" k, z4 h9 Z$ F; _ F" m w
while[j < [trade-record-one-len] of myself]
/ ], `3 h( K) u[+ V$ Q8 B2 K2 p7 ~% F# Z
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)
; p" w5 Z& ~$ ?% lset j0 u" K6 O$ D- ?& q
( j + 1)/ R) d$ v% g: Q: G* b. c" Q
]0 Y: K% n, |% M( k- e6 g S8 g: V
let k 3
; ?. ?. W/ H4 ^3 Hlet power 0! U) k) _! ?% m+ I6 I8 _. _' H
let local 0
8 Z/ r( ]" g k+ r4 G& {5 i" i9 }6 Bwhile [k <[trade-record-one-len] of myself]
" D! ]% T9 g* v3 l[2 W6 k0 ?7 {. Y0 |: g, y
set 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) : ^! y* [7 ~$ f% ]# f
set k (k + 1)- v) L# f A h% ?; l; j& d
]
# [: O$ M$ `' E& ]2 Kset [local-reputation] of myself (local)
6 O5 s0 f1 M2 {& m. Vend
3 K% J9 G1 `/ r/ R
- @: Z; n- R, V. n/ C! R bto update-neighbor-total
$ A5 P$ {0 v* x/ ]' J
8 b* x- ]; T* Y9 ^. I6 z: N: Pif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
) N( l6 N* N" s+ e p; Y3 r- `- B2 n* N. l; j" D" E
0 v$ U9 w5 S1 K. lend; e1 p9 ?; }0 x5 h/ J+ N1 Z
8 p% I& B" d% U$ v# X) V+ f
to update-credibility-ijl - i, M6 F w4 x+ m
" N3 J4 q0 O! v% e; Y, O9 [8 f0 t
;;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。# M. s# c# r) \6 _4 s9 ?2 K
let l 0/ s! Z! ?# X( `7 D1 D. i
while[ l < people ]
# L" Z0 l/ X8 A$ c: R/ I;;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! Y: `4 a# t8 O9 l
[
) Q) g$ p4 c, ?( c5 f Y2 s; Y( ]% @let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
+ m( Y! Y1 `# ~( I0 m$ x" cif (trade-record-one-j-l-len > 3)7 u! c6 Y, s8 _3 n3 ?8 o
[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 ]$ R* r) B% D5 F$ H. }
let i 33 n% J# x: f: M k7 o
let sum-time 0
+ \+ E% b2 ]* jwhile[i < trade-record-one-len]
4 U3 w4 }% ?9 ?: g5 i[* \* [5 e. P8 A
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )' E" |6 T8 L$ ]! I9 ]" |$ V$ M
set i
& @# K, y: m1 p" X( ]* ^* d+ x( i + 1)
( V4 i u& E3 Z5 E2 s5 J' e]
$ [' B! e* `2 ]9 j! h- Rlet credibility-i-j-l 0& B5 ]! r; h W6 j, q7 H, v
;;i评价(j对jl的评价)
9 |, Y. C [) R8 Y; k- ^7 i! h: xlet j 3+ n, y2 U0 L. R( ~- i7 A
let k 4
1 p1 F. m" A+ p. c( J/ wwhile[j < trade-record-one-len]9 w/ x1 _* C# n( V2 ]* v
[
3 x% ^0 Z& j8 ~& ]4 a- l$ hwhile [((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 J5 T6 X( J9 W% t/ s/ ~
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)- K7 s5 B( u% ?: l* k
set j' t4 M- Q1 Y' p+ z& P
( j + 1)
* o1 @: l$ u3 O+ q" V]9 p) n5 g* q# R% }2 P
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 )); j8 M3 n- U9 q
8 M, G! _' A6 U- ^5 x1 g6 F. T! b6 H
2 i. ^- U+ Q5 [+ O/ }4 ?let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)), J8 ]9 n" Y. H- A5 v c
;;及时更新i对l的评价质量的评价3 s# l9 U) b6 y. n- x
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]( z7 g3 p. M# t: W$ b1 r: Q
set l (l + 1)( U" R }' i T- K) `: H
]/ \# \- e0 R! ? Z1 `, B
end
: _5 O# s1 \) D- g1 i; j, \3 ^1 C; v0 u
to update-credibility-list
4 P. K1 ` X3 M( J! Q( ]let i 0' Z3 l6 c6 f% E% X# [% M
while[i < people]
) ^9 j3 T; y+ Y9 p[9 \: L; p! G5 w0 P( A5 }0 N D
let j 0
8 b5 G; C9 ?8 F8 C8 x5 plet note 0
e! j# _& S* P# Hlet k 0+ J! a O- j! W' L6 T$ |- A$ D) K
;;计作出过评价的邻居节点的数目2 B5 g& I* l4 T9 u6 N- j& x' `
while[j < people]5 u, p H1 b9 R
[
, x/ I& Y ?0 m& e( l6 g( [if (item j( [credibility] of turtle (i + 1)) != -1); a+ Q+ i8 g# H# N" L
;;判断是否给本turtle的评价质量做出过评价的节点% t+ @* a0 L3 J* c) x
[set note (note + item j ([credibility]of turtle (i + 1)))
6 H2 G! q3 k5 F& k* O. V# l;;*(exp (-(people - 2)))/(people - 2))]6 W8 G8 O7 \4 ?- L& t
set k (k + 1)$ R9 t; p9 h! j+ q; C/ Y
], G: T' l( g* H% K& [
set j (j + 1)
- T9 L# k2 g9 [+ x) e3 M]/ A9 S8 `. u1 n6 y2 f
set note (note *(exp (- (1 / k)))/ k)
+ U( B1 k" ?% @set credibility-list (replace-item i credibility-list note)
S) S% J# M% ?" }- qset i (i + 1)* u4 }0 I; n- @3 s% L; ]0 e
]
! j. F! A, R1 _( t; dend
6 L; S j- ?: u! k, P& d& X% J
; A. R9 `, ]8 D: Y! lto update-global-reputation-list
# @2 J; Q/ c3 G9 S1 `+ Nlet j 06 c, B. E1 U' g. Q) M
while[j < people]
" G! O9 x' D, w |9 L[8 I/ J, V1 n6 N
let new 0
& i0 i4 A) Z4 a+ b2 [+ D;;暂存新的一个全局声誉0 ]$ W2 u7 Q) n) s6 A( ]
let i 0
9 m1 S2 K6 D/ G; l. k1 Blet sum-money 02 r2 _- c$ _# x# z
let credibility-money 00 y) s* v2 ~2 d
while [i < people]
# w8 G: D; s3 P; D' j9 e[6 G) t# r7 U9 y
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))); _8 z6 ?/ x$ c1 W) E
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))3 n% S+ X8 f/ {
set i (i + 1)! B- B h& x2 \+ O# U
]
# L4 G& v9 ]4 ~# blet k 0
' [1 {8 t. a: Y' z- ?$ Dlet new1 0+ F& B/ {1 L4 `- v/ \) _9 M7 T3 \/ F
while [k < people]( A7 a2 p7 b" Q: W+ {6 `
[
+ \3 d" X$ N) Dset 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)5 g% R- ]% @) \1 _1 b
set k (k + 1)
" z6 ~4 C3 N3 a]
* e" n4 c! L: \+ ~# i1 Iset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
7 t) x* e; w, z7 tset global-reputation-list (replace-item j global-reputation-list new)( ^$ t! F9 i" F# b9 X
set j (j + 1)
$ U3 e& @ X6 W# q+ {: F! S( E+ T] ?6 |! ~* c3 H) j
end9 T- k) S! a; i: u; ?; e
" j" m; Y% @# o5 e. g
" ~, f3 @' H: D6 o# Y
( i" z' K& R' U! j' n) }( h/ s# mto get-color
, c1 U% ]( ]8 k V' I5 D; v( p0 Y$ l7 | z! x
set color blue% ~# n0 ?1 J* x8 h
end
A& v! }2 d9 V. R- G7 E. R9 `$ h/ v3 _5 h6 n6 q, v2 d5 b
to poll-class( I1 V6 H+ z' e: `" M
end/ S$ d6 W7 e, i4 U Q
+ m e1 F- V- a: y( t* @to setup-plot1) h5 i: p% ^1 h2 n
% a4 A1 m. q4 t- }5 ?0 O
set-current-plot "Trends-of-Local-reputation"# R& g% X( I3 r' b, j- R5 v
- R9 z( N1 u. J+ v7 Nset-plot-x-range 0 xmax
0 q4 ?8 o# l* n2 N+ R9 |( E' ]
) j5 z6 I5 K x7 k' I" F2 l0 v7 Q) kset-plot-y-range 0.0 ymax
! \6 e5 C0 ^/ V0 L" V3 z$ |end, B# R1 }+ G1 p+ E/ S2 r
8 `6 S$ J+ T( G* K& o# p
to setup-plot2
1 W A8 c! C& q) s% o, q
7 p. M6 _/ _/ L; e* ]; Sset-current-plot "Trends-of-global-reputation"
4 \, T K2 k- u1 `
, M, ]' S# K. aset-plot-x-range 0 xmax ]( H5 ]! J- Q' j& R5 g' w J
# w$ Q* j* {5 h) a& Y" ~( t! a( \set-plot-y-range 0.0 ymax
. E' G; Z _. Aend. N. n0 n" Z' h% l. H4 e& l
9 o8 r7 g7 a# [- ]. Z2 Oto setup-plot3
# e- w, U* v+ k% E" B
# K+ F- O+ @: R8 oset-current-plot "Trends-of-credibility"
# F/ V. ?% X" N, F
8 }- L$ O- k- \; q- U6 r7 mset-plot-x-range 0 xmax7 E8 K. T; f3 \
4 Y% q5 Z8 b" K- U i
set-plot-y-range 0.0 ymax
( o# q, `. a! J. ?( F( v0 Bend
6 x, n1 k2 G9 z' I; J4 a3 n6 x7 b7 T7 V! R
to do-plots. q" ?& L/ Y+ b8 J T
set-current-plot "Trends-of-Local-reputation"/ g% S+ i" ^" l' {3 G9 M3 j
set-current-plot-pen "Honest service"$ P( z1 C5 ?; d/ \
end
( ^4 \- \2 e; y+ n$ a; E2 t" y2 i" W& N, d6 ]
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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