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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
( Y! G: U" w5 Q9 L& V O6 bglobals[
; M! l6 F1 n) i5 U$ Qxmax: o$ O% C% l$ V% W. i0 I
ymax
9 N, z* r+ Y2 S- bglobal-reputation-list5 y& v" ~ `2 R+ n0 m
3 Q/ _8 s( u" X" Q( M
;;每一个turtle的全局声誉都存在此LIST中' Y6 M8 @3 P4 e0 ]2 o \( v
credibility-list
/ q' k& {9 U* m& |;;每一个turtle的评价可信度! z F& m$ c& [ p* _
honest-service
; s3 B" o) I) Y$ C8 g' D' e0 g" eunhonest-service3 E! k' ^& D* d7 f- D" g; A
oscillation
8 l( g) C/ U( m9 wrand-dynamic
' E# X7 U$ o* k5 c- V' r]3 E5 V+ _* z& ^; a# @
: |9 }5 a9 {# O. K! `turtles-own[1 R# n- W" M# s3 \' M. @
trade-record-all2 R% t$ w1 M3 `7 g2 K9 h4 Y
;;a list of lists,由trade-record-one组成* ]3 s) N6 |4 O# x" Y/ Z5 ]
trade-record-one4 r5 p0 V& G5 {" Q# M+ `( K
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录6 k7 ]# U9 l5 A; G3 o5 e
/ _8 F# M# M3 w;;[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]]. x9 w$ C( a. t4 e# e, [# x' R
trade-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]. j9 _% Q* X) U" i: \
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
: X; X" ~, @ z3 ^. k4 Fneighbor-total. l Y( g R5 n$ t
;;记录该turtle的邻居节点的数目1 r# g, \7 O6 W5 l6 ?( B# H
trade-time
( x: k# Z$ `1 c9 ?;;当前发生交易的turtle的交易时间
# m* G3 [4 r8 }. C" v7 Y kappraise-give
8 h( _! V2 `( s$ L( [( o;;当前发生交易时给出的评价
- u O1 k7 k- L7 H cappraise-receive! v& J- v& {9 @$ A. u
;;当前发生交易时收到的评价$ Z( S: N2 A' W; I3 Z) n& k
appraise-time0 c$ F7 [8 V- {/ X! Z7 o" n$ R
;;当前发生交易时的评价时间, N* G U% D1 L, Q# {% e
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
* X* b A1 R. B1 f' q8 Ftrade-times-total; J6 H! \5 H& T6 ^( g
;;与当前turtle的交易总次数
( u9 s8 _! s" r$ a# v' Y$ r9 xtrade-money-total3 a& u. O# j* h8 B& o* Y
;;与当前turtle的交易总金额
% V8 B( o- X$ B9 Nlocal-reputation: Y( A/ f4 C0 N8 k3 E( C
global-reputation, d6 G( {8 x6 P0 r6 B
credibility: i1 c: M6 {/ T
;;评价可信度,每次交易后都需要更新
- \; o7 j7 m9 `* h m2 Bcredibility-all
# y- H1 h/ ~. Y* A) u% ]* L;;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8 J! Z4 m' D7 g# O5 v. s
" z4 `, i% Y# }
;;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
5 a5 N# G n1 m2 O" d6 X$ Qcredibility-one
( b( k: V1 F9 w;;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
# u# ~+ s, W. g. Kglobal-proportion
5 u9 [% L. X8 ~8 l, t3 ]$ k' T0 Ycustomer) u: ]$ H6 W- @8 M% [: m9 ~
customer-no; U0 [2 V0 G D% T* X7 o
trust-ok
3 w! p9 G) [6 X* v/ r# ztrade-record-one-len;;trade-record-one的长度0 `8 c. H3 b7 H1 O6 h: u6 M
]. O; ^* c) D, L
7 F" I# z8 p3 ~4 O;;setup procedure9 A* n5 w" K& P4 c) h* v
( S% W' v2 L3 F9 ]% ?+ o8 I# }
to setup6 @; r, [0 M, O& {. {
# P7 f+ P, t, z+ |9 o0 `ca
0 q0 |- ~. q0 b. F. I6 W* a
$ |% o5 M. U- \. o/ s2 C Q+ a. [3 _, qinitialize-settings
) L; D8 ^: l. b) N3 Z7 Y& h% W4 [- y- T% X! w
crt people [setup-turtles]: S+ A. p2 }$ e. p
/ { l* y; x8 [: e# ^7 H
reset-timer
4 S3 q6 e5 M; L. |
) O) L$ [' P& Spoll-class6 Z! x9 R6 f% w" v' B' @9 ?
+ V- O' t4 V1 E4 l$ Qsetup-plots
6 J- D) y/ e: d3 ^4 g7 |. i! Y$ m q
) H5 i7 [0 T. Ldo-plots
) R; L- v2 l$ l6 Aend
" l0 _+ N+ O1 t& d- S, A" X
7 M1 _2 ]3 A& p9 V% {8 E* ito initialize-settings& p5 C9 d4 |" q* T$ w& F
- @4 |" H6 H# V0 q- l" a8 B1 A
set global-reputation-list []4 _( i! f# Y4 X/ f' }
& X' @2 |; j6 c1 ]" p. T
set credibility-list n-values people [0.5]
! |: x6 d. \) k* S
. ^- J+ Q: a% o* {8 E, B; u1 Oset honest-service 0
$ h! @2 ^4 @& G$ K# C* B5 n! s6 \
( E$ c- M* G) M9 x& lset unhonest-service 0" ^( x5 [& y: U/ c; V
" d( H0 k% Y* P# T( pset oscillation 08 x' i1 D1 P0 Y- u9 m9 ]# K8 I
+ |, ] H, x2 s/ B3 n( E7 y
set rand-dynamic 0
* T4 M& L7 p# Rend
/ p5 {! g1 n; ^3 _
; \7 g3 S. [2 x2 [/ i; _4 i6 {to setup-turtles ; z% O8 |( h) H4 Q2 _' |; D2 s
set shape "person"
) t4 u8 \) A \5 H. a/ y2 csetxy random-xcor random-ycor/ N; D- m/ R1 F8 k) E/ L* M
set trade-record-one []( ^1 h" g/ ^4 @ F, W3 z
4 {5 `: T t5 N9 w# N
set trade-record-all n-values people [(list (? + 1) 0 0)]
' Z8 ]$ w+ A5 R# }# h- E2 n; D% G/ l
set trade-record-current []7 i- [" ~( Z/ J
set credibility-receive []7 `' Z3 N0 c! k& g4 R# }# U; m
set local-reputation 0.5
! t: H8 T3 C% m7 Gset neighbor-total 00 Q9 @/ x6 V: e( B: r( I
set trade-times-total 0
+ ?, T8 }2 h$ ^* tset trade-money-total 06 U$ @' S# V1 X6 i9 p$ H! L1 t3 D
set customer nobody
+ l. R3 L/ [) H& o7 w# v- R* ~' Oset credibility-all n-values people [creat-credibility]5 c# l% {; _( |. M$ E1 c
set credibility n-values people [-1]0 K, ?7 Z0 Y* u( y+ |( D. f
get-color
0 y+ o7 n; F0 u+ C& z) @( W H# ]0 C* `
end& e& Y& `. E3 `6 ]' u+ p" `, {- Y
! `/ }& w1 ^/ A0 S
to-report creat-credibility3 N! P* A1 q M- V1 ?3 c) v
report n-values people [0.5]
3 d" K& a; {' i9 Y9 O: X- Pend. }: P/ a% u+ w* r" a
g9 i- x" @3 B4 y
to setup-plots/ b9 ^/ P/ t% A Y3 `7 Z1 Z" Z4 f
1 y6 I4 x A" Q- b; P! }# u
set xmax 30, ]" A A3 T! ]$ t( \2 O) l
' f) @- E1 f, x" E* [8 B+ ^; [
set ymax 1.0# R% y4 N6 P$ ?9 T7 P1 N1 P: {
5 q4 I5 n7 }4 Q8 g5 z6 nclear-all-plots
5 E4 [- V+ D" \) Y. F, T& m
- ]! [2 T! P6 M& L* bsetup-plot1
+ q+ N/ r- [1 W2 {- c k ^0 \* s9 z% k. X g( C) X
setup-plot2 A& o' U- O' [8 k& K \
: Q' p1 j; r4 v, _" d1 Nsetup-plot3$ Y6 P( O4 g- e5 Z
end6 A& h" P. k! R- X* o6 H. M& v
( h3 H2 l4 O- \6 W) z;;run time procedures' e# k+ t4 p8 N
, U; K9 _/ `. D) E5 D1 m4 b
to go# ^) v; y3 _ }8 Z2 h' B$ K4 ?9 w
( A; m4 J, V7 Q9 ?% `
ask turtles [do-business]
' D9 u3 D/ q( Y# j; G9 Eend# F Z6 O+ O7 ~ M
3 l6 M, N3 B' @5 |5 |- c
to do-business 6 `+ V9 j$ t. q& n
7 x1 L9 J9 s$ r. w U) j2 q
% O0 d+ P# y- I# qrt random 360
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. N$ g; c$ a/ V3 j9 M% Y" dfd 1) O- X2 E; ~- o# F- u; q) ~# Y
. ^( `4 I2 \* [ifelse(other turtles-here != nobody)[/ U5 u0 J: J6 F0 P. ^3 A
5 s9 [/ Y4 G1 J0 f5 Sset customer one-of other turtles-here
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;; set [customer] of customer myself V8 ^% |& ^' u$ ?( O
$ O& x; [3 C. x
set [trade-record-one] of self item (([who] of customer) - 1)0 e* E# @9 }8 }( x
[trade-record-all]of self
" Y( c# t! B3 h. v, g! l$ _# ^;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self% U. n5 N! Y2 A H+ V: `
5 h$ p. ~) h& z+ B8 u; W. ~4 Jset [trade-record-one] of customer item (([who] of self) - 1)) D+ M7 ?4 R5 q T. z
[trade-record-all]of customer
- z5 H6 A9 f2 W
6 d( n. ~/ \4 g8 e2 d% \4 L( {set [trade-record-one-len] of self length [trade-record-one] of self0 i) H$ y. o) N' S ]
9 B! c7 n4 o) Nset trade-record-current( list (timer) (random money-upper-limit))% U; b l3 H6 C: h1 c! Q9 t; a) Q
- x, N9 S1 d& b/ `- q1 }
ask self [do-trust]$ L* M9 C' b t% i' d) ^
;;先求i对j的信任度
j/ N- o8 N4 g/ G; A. A0 |
+ m; d6 L9 f% Z! @- k1 T7 W# S% Sif ([trust-ok] of self)
* O7 J% e- a+ X;;根据i对j的信任度来决定是否与j进行交易[# x. e, R$ `0 ]6 P% X
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
1 {7 S F1 u" i6 U' A5 l
7 o6 w0 [2 }: y[
5 w2 s2 M2 v' h; u
3 p/ b) |) a/ o4 hdo-trade% f' q, X& A M, e! t& ?
) j7 i6 Z- R& U# i( u: Cupdate-credibility-ijl
8 H, c) }8 X2 r. ~; k* K9 h4 R- d; R+ }7 Y" M* T+ G
update-credibility-list
( V' o( d4 D1 R! I) @8 R& r' p! y& `1 r. f
0 o" J# `9 y3 ]- Q6 `$ P
update-global-reputation-list# u7 p) d V- g4 \! X) ]2 I
; g+ f6 T! _; C$ o5 a) k" }/ {) Epoll-class
( d: r( Z7 C; o# k; q5 a3 W% X' t# n" Q
get-color
/ Z; }5 u6 ^+ O0 {( C% z4 T& m- Y3 w% u& {3 _+ h
]]
; H2 B4 a: l# {& M- p. _' t' T& v6 p8 L. J
;;如果所得的信任度满足条件,则进行交易- m+ [ J8 d( @# G
: D9 ~& p _0 ` b6 i: k
[4 s9 [% o' ?% f, m/ f
. P# E4 B% b. {
rt random 360# d& i, z5 B# s
8 W' }. [& k2 M% i5 Sfd 1
' r# L+ W; S4 l/ v0 d3 j y8 ]+ R8 U# w' I
]
8 s b: F7 U9 e" a j& ^) t9 k( q8 Y Y* J
end
6 u: I" h* r3 _& C
: J0 A! X: i" @5 X' r* oto do-trust 3 U" V% c [' l& ~0 Q8 U, a+ z
set trust-ok False
; y) f# \9 @7 `3 F3 u/ F1 n0 S6 I+ B# T, j7 G
6 x, d# c, U: j0 _
let max-trade-times 0
- D$ n' J3 g, w( b/ U/ oforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 w/ C$ x5 x r& b, t
let max-trade-money 0* t3 E& W8 B. e9 u3 ^
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]% h3 Q5 x% V e! F+ {
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
: l: v+ M g/ P2 \
, T( ~8 G: M5 \5 O0 b7 \9 E' N2 \) U+ @: i! W2 h U" O
get-global-proportion
( A/ J- k0 x, ~- @4 t- vlet trust-value
, W* `4 x" i* C3 Jlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)# S1 F8 a8 f4 V6 K+ W
if(trust-value > trade-trust-value)
% z Q: X! n0 e% e% {, Y; `+ k[set trust-ok true]
3 X# F; [, D: _; P, b0 [( x7 Kend+ K6 x, }" G! O2 h0 E5 @& k
9 u5 X6 [, z; Xto get-global-proportion
0 F' f2 u# Q b3 b! Yifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
8 D9 d3 ~4 O5 _7 h, r/ B[set global-proportion 0]; q* i) C' I4 I9 F
[let i 00 o9 \/ \. r9 R! b* o- D
let sum-money 0
: E0 w) l; M2 g: s+ k1 W# Ewhile[ i < people]
3 ^1 i9 a4 ?# h. O/ m; N; Y[- U2 c: V- ?, P
if( length (item i
$ T o5 w3 K5 x5 H! X[trade-record-all] of customer) > 3 )+ d$ k: P5 I7 X1 j5 r
[
9 g- K0 X% S$ W. A Jset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
7 T, ?3 r4 X8 U3 S i0 ]$ S7 z ?' L]
% s4 v% G) H; {1 b0 J9 {]
/ n8 S: e) o* f3 I2 s! Elet j 02 l$ R! D2 g/ o2 O
let note 0
9 _ |! N |) X! y" \while[ j < people]
/ C% P, }. h: m% E- k[7 J3 c o; h+ {- `
if( length (item i
0 l* ~# @3 c! l" \6 h4 w[trade-record-all] of customer) > 3 )
`& X/ A- C m0 G5 `. V% {7 ]8 _[+ C& s4 e [+ \8 b1 Y' B
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
4 y7 q; n9 ] K/ |% X. X[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 [3 @ i1 v$ r1 S3 v0 W
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]1 d) z; k' u, v6 _5 y2 P, C
]
; W# d1 w6 W, k$ s8 H]6 W `6 W# {2 p0 w7 \
set global-proportion note
* t* V R9 v% r. {) a. x; Z8 t]
2 [* g3 }0 e$ i) K+ o$ _end) t( c+ G2 k5 X7 K
/ k9 M( e% |( i7 a3 j/ j3 s
to do-trade$ Z4 V* z: z) }% M
;;这个过程实际上是给双方作出评价的过程5 s" R7 Q$ W" @$ L
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
/ |! M* n: c, i2 r9 Bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
. m( T+ m: `- H& }: W9 l$ J7 ?set trade-record-current lput(timer) trade-record-current
* ~6 ~' P/ H6 }2 z;;评价时间
% |; r8 v- A% j3 h2 S% X# oask myself [
+ ^6 p7 r$ V; Q( J+ x$ m- Pupdate-local-reputation8 `' B( n& ?5 p+ v8 b
set trade-record-current lput([local-reputation] of myself) trade-record-current. f9 b1 d" U( o1 q4 N6 t$ |! K
]' d+ O6 \; z) f# F
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
5 \0 T5 ^$ j3 n* m) V( |;;将此次交易的记录加入到trade-record-one中
6 J6 n1 W$ J: ~% Nset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- w7 }! X. g" V6 g/ Y& P
let note (item 2 trade-record-current )8 z4 j$ b# g* x
set trade-record-current7 O: ^2 u- X8 ^+ E, V; M4 z
(replace-item 2 trade-record-current (item 3 trade-record-current))5 D; }2 z5 ~4 I/ `/ H
set trade-record-current
( K3 }! @9 `0 W9 @- ](replace-item 3 trade-record-current note)
' i8 n7 r$ g* ^
$ u9 u# J; t& W2 @6 ], l. I8 i0 { }: E" m7 B
ask customer [
7 r( X4 y$ k# D- N, [update-local-reputation
1 A; D7 m+ B. aset trade-record-current
, w, x2 }5 D/ B; ^% c+ f4 Q(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
6 I" Y; E. S: I]' v/ Y) u, h4 r& U6 j/ i
* A7 T& h2 s5 O
( q7 s3 T& [ g; x: {6 D; ?set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
0 q8 ^0 ~3 t e8 s+ T$ H& ]0 @, w5 c) b, |1 w% w4 ^9 ~" ?
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
0 v( n% Q0 Z- ?! i( B. f/ Z;;将此次交易的记录加入到customer的trade-record-all中
9 z* f* [' b& N3 D' G- Q4 G4 xend
( c- X3 w t4 C! d) H K# R6 A# R; @; a
to update-local-reputation
% ?) W- c; R9 k# R1 {$ l0 Vset [trade-record-one-len] of myself length [trade-record-one] of myself
. q1 V0 e% t8 E( V' d6 E* J9 W
" U6 [4 W7 c' I. ?* _; ~3 x/ A7 s* Q( [$ b J# I
;;if [trade-record-one-len] of myself > 3
+ {0 r9 o& L, D$ Mupdate-neighbor-total
8 A8 u9 n$ U1 P% o, Z4 Z5 m- p;;更新邻居节点的数目,在此进行3 [$ q+ F# D. B3 d" }. ~# y4 a
let i 3
% ^/ B6 H2 ?$ F9 t5 h# d" @' ?/ olet sum-time 0
) u' M$ J; Y0 K8 @' Hwhile[i < [trade-record-one-len] of myself]) I) X9 w$ r$ R
[0 H! I1 F+ D& |/ @
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
- L- F( m' v3 X# X* I: x; K* `set i! \- Q) C; N& c: D0 f1 Z7 h
( i + 1)
7 |2 U7 }! h5 o]5 H1 L# U4 A% F+ u' |
let j 3* w, u( z% p7 J. \6 c0 w! F
let sum-money 08 [: {" _% q# d+ Q& r6 M
while[j < [trade-record-one-len] of myself]7 j8 r8 |3 \2 y" X
[' O# e2 r2 `3 I; j& P/ |
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)6 f% D6 S* g; X, o
set j
5 N! M2 ~/ G# J4 j; N8 @1 s {( j + 1); O% f1 V6 c: ^
]; I6 T" Y- _2 ]0 C$ h, h3 I* X' s3 }
let k 3
2 _! @& Z) F1 ?- f6 I1 C! Tlet power 0
5 U, j" N9 o; Y; W2 ilet local 0
' A5 h4 t5 h( `( X/ mwhile [k <[trade-record-one-len] of myself]: n! v2 Y7 x) }( L7 C
[
; y8 P0 q+ i- a8 x4 A! ?0 B( aset 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) 2 P8 Q& r- x# t1 |+ U6 L# _3 {
set k (k + 1). S) N7 c6 z; y' V* ^3 x- C
]4 B% }( I, R6 p% W: `- g
set [local-reputation] of myself (local)& ]1 T& v! u. K, e' o
end5 K5 o& P* L! B/ h# A
2 s# B% I. P, W
to update-neighbor-total
% z7 E( z$ y* w& ]) b6 s* C/ e2 z: ?1 n) k( T
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
4 T" h$ |4 f8 Y7 ?6 n& ?4 S( V! `/ m2 k+ I
/ w* a9 O6 _) ]) p
end
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to update-credibility-ijl / b. Y0 W7 t* `% R
2 c% r/ r& f* J) u# e# I;;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。! d. _" x4 b; t( z
let l 0
/ k5 j$ Y/ L# @! y1 c" ?while[ l < people ]' d' p" Y1 k& W* ]
;;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+ t0 L; c8 p3 ]
[- {! J" O' A0 p4 |& {6 g5 m! s8 Q
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)# w* T2 ~) x2 w' \" j* f
if (trade-record-one-j-l-len > 3)% y$ ^( ~7 I% l" x8 W9 J& ]1 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-one
" M8 e% p% s7 @" F6 M) Rlet i 3
; I# L" Z/ d5 L- w7 `9 o* Ilet sum-time 0
4 x! i1 p/ K' \0 F3 x2 w: Ewhile[i < trade-record-one-len]
" o4 F2 ^0 W- h) F M, `5 o[
" [' ?0 m: U! g. [set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
- v4 S- w: W7 H# l' M8 _set i
/ z3 d- H! W; o" g- m( i + 1)
, n+ z2 G! v2 L$ h" s; ^]
0 T% b, Q9 C0 K& u, V2 Rlet credibility-i-j-l 03 L9 h' n" Z, d- S- W# r
;;i评价(j对jl的评价)
2 K! Z; a( [' p& i0 W$ y1 dlet j 3
# S2 Y+ j( J, ]; P) qlet k 4
: B0 f, L7 B1 P |, V( T9 F% Cwhile[j < trade-record-one-len]9 E' k; q7 z# \. P1 S+ m
[
' y* f; t& _! W0 S) H& Cwhile [((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
- z% {, i1 Q& h. o; I7 E: wset 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)1 e" D# \: ?* d6 v. K
set j
) t0 U# F; a) J3 ]( j + 1)% V6 F3 d0 B# }( U
]7 C2 I2 \, 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 ))6 R4 c, Y8 O; o/ J- g8 G* k5 u
% [) ~9 N0 l' i7 W1 l, Y4 ]
% U; L/ r& N3 U olet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ |) C$ h% y C; D2 \$ |1 E: h;;及时更新i对l的评价质量的评价
; m5 F9 v! F1 _ v% n) P5 hset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]0 g U, ^' f" q. \1 M5 |* Y7 t5 L( |
set l (l + 1)9 a, o" B/ h7 x) b
]( @+ V$ M# B: N3 P5 O; B3 r( C
end
, b& S# s' x2 O. T' u& C3 A
- M2 `' z" r7 b9 Z; Fto update-credibility-list, M# R. \2 Z) P2 a. C! N
let i 0
$ `# t! K0 d' k/ `; l. O# }while[i < people]; o4 F. Q4 m' X3 G# M; I
[
9 w+ u( q$ q `. {. rlet j 0
: Q2 Y8 h/ u- xlet note 05 W6 G! [5 \' H1 u
let k 0; K- N* [# Y+ f+ z
;;计作出过评价的邻居节点的数目6 }. q1 H8 D6 V7 h) j2 D$ W
while[j < people]
) Q5 D- O& X2 a[
- O5 u+ e% S0 P6 Nif (item j( [credibility] of turtle (i + 1)) != -1)
7 ]$ `! Z1 p' i& X* ?;;判断是否给本turtle的评价质量做出过评价的节点7 _0 L( n2 Y: [
[set note (note + item j ([credibility]of turtle (i + 1)))
; q/ F9 ]8 o/ q1 g% t% |; r- N( g;;*(exp (-(people - 2)))/(people - 2))]4 L' L4 U9 B: E7 D6 j. d1 L
set k (k + 1)' M/ V* W6 y( M' B
]9 s) b. b5 A' W: x
set j (j + 1)8 E7 J. p0 n W* f/ i8 ^# o7 ^
]
, p' L, B+ Q& J3 O ]set note (note *(exp (- (1 / k)))/ k)
8 O/ t! B! H! U. m" ]0 [4 @" lset credibility-list (replace-item i credibility-list note)
1 N( r" E6 n, f" Nset i (i + 1)+ W% U% l3 t9 [, M
]
4 x' f3 Z( T4 y; k6 N+ Vend8 l$ r W1 \+ u3 A
" W$ [9 y& i0 h) J2 rto update-global-reputation-list
: r) {+ e$ Q0 a/ z# h$ _ z4 [0 Ulet j 0+ v1 t1 c5 o/ }; G3 l/ u1 j
while[j < people]
, p0 q) m8 S b# y4 \- D0 F# c[6 W- @4 S& m I- C+ l' I0 {9 S
let new 0% ]- N1 ?! i8 @2 [' H. h
;;暂存新的一个全局声誉
; r5 L2 Y y R- `; o U/ N, z6 llet i 0' M5 T' J1 E8 Q1 i5 q! P7 \7 i
let sum-money 0. u ^7 M% Y$ z1 y! ~: O6 D
let credibility-money 0! h( h( Y) ~7 U2 Q) G
while [i < people]) i) M. Y/ F: S1 }0 h
[
. I* p) R) {7 s- e T- b) F6 ^set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
5 q! e* s& A( V5 b& Lset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
5 I B0 P+ ]+ j4 I1 W9 g+ {set i (i + 1)0 }0 D% I0 g. ?' W
]
- Y+ Q( G" ]6 y, _' i* klet k 0
1 W/ [% y9 n0 B x5 a. ?5 ?& @/ L8 Rlet new1 0! v# [2 `& m, j
while [k < people]& l, B6 i* e7 }
[
: m+ u6 t: h" w9 G/ hset 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)
" [, X2 ^4 j V9 ^set k (k + 1)
/ T) y0 O5 X4 h# H# N9 ]]
4 x, x( ~$ H* }set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
, z1 Q5 M. F% ?3 q, }% C" m( Gset global-reputation-list (replace-item j global-reputation-list new)0 ~: k; E7 ]3 a& w5 \
set j (j + 1)
. Q2 k; O5 P+ |9 v+ `, r' P$ S; ` w]2 @- P( w5 T% X) n Z
end5 A+ o' |7 N# E" ^, t/ V
3 ?4 F+ M% g$ V/ X2 Y) T. H
( C4 N4 Y: e' F: m: V
7 b c& k3 K( F, i* sto get-color" {- p P0 S' n. ~2 h! `
, |+ Z: L/ p" c# o" r5 m6 ?
set color blue4 _9 M6 l) G5 \6 E
end" \) c. {1 I) r. a
^- `# a i: M! I+ h/ j3 H& w
to poll-class
# w+ }# Q" J- y x5 H2 qend0 ~+ u5 E5 b0 v9 N- A0 w) x
& ^# L# }; G& A& W
to setup-plot1+ W% y1 V' G, U
0 ~. k' W" g& _/ B# M8 i/ Z/ @
set-current-plot "Trends-of-Local-reputation"
) S+ T5 O# h4 K* d4 n; f3 v2 P& }- d3 N7 G1 l) X; |5 r' W8 d
set-plot-x-range 0 xmax
. I; z/ U5 x$ W; l6 ~5 @9 t' w$ M! p" Y Y
set-plot-y-range 0.0 ymax
3 o- J) T- B7 b3 J2 {end
3 h5 Q" i; ?$ G- n5 S' ^! h. z, p% e) P1 h$ z6 ?' Z
to setup-plot2
# C8 i2 |( [4 Y9 [, ^/ g2 S+ c" b$ M t/ l+ M) N) b+ _, i5 H" b2 `
set-current-plot "Trends-of-global-reputation"
" @& k' a& V$ p- T' D9 q& N
$ m, b3 G, }$ D+ kset-plot-x-range 0 xmax
( n: P" V; z$ H4 e! W" A+ _$ V7 C$ _% y2 t
set-plot-y-range 0.0 ymax
7 w3 G. O9 M5 S# h4 q: s; i Send) A, l1 m* T' K. U2 N( H- G; o" ~
5 [/ j9 {, V4 s+ \3 }
to setup-plot3
4 M% {. |0 \$ ]$ ?7 M. O! O! K6 E- v% p/ L2 V' K3 r0 W
set-current-plot "Trends-of-credibility"; r( w; T+ r( N- f K3 u
* K; L% a# _' i; W. t
set-plot-x-range 0 xmax, p2 r( Q& o* ~7 \" R
1 m% c: W" S8 k. l2 Vset-plot-y-range 0.0 ymax
a. d# h j$ A5 U- ?end
1 G+ d: ?* D# j4 t: H% ]! N
: g+ `: u2 J! `) i+ i( Qto do-plots
( e- o @. I4 Q2 U5 _5 ?set-current-plot "Trends-of-Local-reputation"( V1 \" ~" A3 R3 O
set-current-plot-pen "Honest service"9 b/ b& G& R7 D! n3 L# v, v" E
end: b9 s$ s5 R- m# h9 c+ u
, m; A0 W* P% K( t7 @[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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