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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+ `- } f: h' U f
globals[
: W8 r3 M+ n! ^0 \3 d. I/ [. Nxmax& }& p0 l7 E0 c! Q1 M
ymax
, t4 U% k8 i% b& H0 yglobal-reputation-list
$ K" B* d( L% `+ l( E- R
# k x; i6 M/ x" l: Q o( \2 W;;每一个turtle的全局声誉都存在此LIST中# Y/ K4 `0 `" f
credibility-list
7 ^4 u" _3 k6 d, i+ a3 Q, q% C5 `;;每一个turtle的评价可信度4 S( Q; w/ [( J3 J
honest-service; o- L5 I* W0 u5 N
unhonest-service+ D, ^% K5 i5 M" z$ x! Q) ?, L2 P
oscillation) l- d1 I+ I! u6 y
rand-dynamic! B+ E! w/ l% e$ H
]
V; B% _- |& I4 J! f. Q t4 Y1 t3 ]/ P$ ^
turtles-own[4 Q; _( h' Q9 S" i7 {
trade-record-all
1 A+ d9 `. B3 [) E4 W;;a list of lists,由trade-record-one组成4 S2 ~( E; ]/ y7 ]1 W; a: }- ]7 U
trade-record-one4 A6 M s) E3 D9 x+ Y; Z3 C
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录9 @- t2 `& g1 G) m
+ L D* y0 t8 R5 ^# l5 e! y& v$ P$ s;;[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]]- m0 m0 `" n- r; g1 |* I+ V
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]
. z! R; H8 \# Acredibility-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list1 H2 w' X6 r: B! i* }% L
neighbor-total) e9 d- K* S$ F$ P
;;记录该turtle的邻居节点的数目
1 p, ~0 F3 W4 Ttrade-time
- e- }$ I" I* ~ h) B) F7 T m0 F) t;;当前发生交易的turtle的交易时间
) n- ~# B9 l2 ?) d- `appraise-give& @; E$ P, M' l# q9 S2 G+ k
;;当前发生交易时给出的评价
3 m6 J! k) p7 \5 N, T1 k+ Cappraise-receive
; W; W, }! Q' m7 q" |;;当前发生交易时收到的评价1 V" r$ ~6 [1 e/ E
appraise-time& u% S* {6 W- u+ e( t
;;当前发生交易时的评价时间
2 t3 T* V# \1 ?& v7 j0 R# slocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
1 ]1 w2 G9 m, p ~trade-times-total
/ T7 I/ }/ v' Z& \+ \;;与当前turtle的交易总次数) Z. K9 m5 I2 @# A" i1 y
trade-money-total
$ _: Y! ` [) [, a;;与当前turtle的交易总金额
* |; h- ?& b' r2 d" T; V2 ylocal-reputation! \' ]& e# v v+ j- B
global-reputation+ e' y+ u0 D& r, ~
credibility# f. W: c0 H5 f5 P/ c8 w
;;评价可信度,每次交易后都需要更新
% W/ k% _4 R$ l7 Z& scredibility-all1 G. ~8 Z8 A) k7 x. q) O/ { f& ~* B
;;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
; r! ~ e7 y$ \7 S5 V
; z( a B" N+ L;;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
6 Y' V8 M. C2 j# z# R7 x3 Dcredibility-one
0 V4 b5 [& k* L: x1 v;;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 j" A& i/ G4 [5 ~1 |1 X1 A
global-proportion% x* u$ V3 W" d8 _0 K# z
customer( c7 _3 V3 l$ R+ U z
customer-no
* |- m$ j! H) c8 U& t8 I3 v2 w% Utrust-ok& \ g8 ~ P; w6 C, c, o
trade-record-one-len;;trade-record-one的长度1 N; a$ t, \1 ]: }0 W
]6 U8 }# t/ b1 m0 ]1 r h
2 \2 m4 T+ R3 A0 f/ R: a, T0 j4 @;;setup procedure1 ]0 X( o1 k' {1 g* x0 \8 B; s' Q% i
$ I5 n+ \& F! z! x- Rto setup
2 }% q# o' A9 A, N' ]2 L2 G5 X- [/ O/ t
ca/ C/ k+ B& o# }3 _, t9 t$ r
: ~5 F" x0 f' F" U6 r, ?$ X
initialize-settings
; Q, p2 B0 X$ Z0 s6 S1 d
/ N" J, A) V! d# e% H; C2 k1 N! @3 ^crt people [setup-turtles]4 e9 S/ E- @- i% e. s9 T1 c; R% j
1 g% A9 u( n( L' z& Xreset-timer
8 D3 r, s8 p8 `, n' K3 k; ^' M4 |6 `" b: `" J+ ~
poll-class
' ]7 J; Y) g$ k( u5 y
. Z1 {, R, j( q* G) n0 @setup-plots
: `. T/ O% ^& Q6 T5 }2 `4 g7 w
1 P9 p& s" L, [; b- l$ E! xdo-plots
: U& t4 w) t c0 J" z9 n5 Mend4 J+ a& u4 }5 T0 V' q. c. M
9 t, p0 H8 K7 l: Nto initialize-settings P% t) p3 r; W& w; i
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set global-reputation-list []
" Y, F0 r0 ]) o% \' [ [. s) ~
, G H. V. {) {+ vset credibility-list n-values people [0.5]# |! X$ J9 M2 R [+ S
& f$ r) u/ Y: z/ _5 {
set honest-service 0
, V9 J( P. n/ N/ I/ Q2 i( ?
0 O: P9 h! V5 P: K, T- ~. e, dset unhonest-service 04 R) h. t+ H0 e0 r
. p1 F# C% d5 u5 z9 {, l: w) N
set oscillation 0
5 c2 \1 _8 L) L( H; j6 a
) _8 V( T7 u" t+ Lset rand-dynamic 0/ i+ ~8 g9 a$ j! w/ F$ B
end
3 \, n1 H9 d$ O, M
" H' o2 ~6 h2 K2 lto setup-turtles
, X, ]. ?4 p% jset shape "person"* I5 j, S( [) a' R/ @
setxy random-xcor random-ycor5 @! O3 \+ `+ v) e; A
set trade-record-one []
" h O n" I1 |5 Z' q
$ X9 M0 e4 P% f' x3 ?; @1 lset trade-record-all n-values people [(list (? + 1) 0 0)] 1 k0 M, Z7 s) C1 R+ M4 Q
' g, p$ Q6 W: Dset trade-record-current []
9 p8 B2 b5 I; z) c: G' |0 n8 Fset credibility-receive []% ~3 p7 E2 Z" I# C3 x
set local-reputation 0.5
7 e% j$ M5 z5 Z) Oset neighbor-total 08 F# K' J. d7 K) ~6 B
set trade-times-total 0
% @) R4 s7 r$ k0 n8 k: }' i6 Sset trade-money-total 0* J4 a% I/ {# D4 Z
set customer nobody
! k% w/ |+ D, L/ w' ~9 S& r" \* vset credibility-all n-values people [creat-credibility]# k- t3 k+ T$ Y7 `3 h4 V E' F
set credibility n-values people [-1]
; S9 B. b1 v8 M Uget-color% K2 B4 J& n/ k! w# d
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end% S. R7 C$ S8 v+ N. f
/ J) A- X& g/ z/ H! Rto-report creat-credibility
# P7 {" N0 D! r" creport n-values people [0.5]
" x0 J; Q6 |. g+ w8 @end/ P9 _; a$ R8 \2 J2 G2 G8 p7 F' ^7 w
$ F0 Y( Z# }5 R" \
to setup-plots
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set xmax 30
6 q5 Z8 k+ R: A) }2 b e) j$ ~0 G* G; l* k2 s% _5 e' A) v
set ymax 1.0
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clear-all-plots
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setup-plot1
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2 @9 c9 _6 q* b/ E: ^$ V9 Esetup-plot2
5 ?! ~' P7 c; w: k2 ~5 _4 f" H& X7 t1 P" q/ y. W8 p! a
setup-plot3, q& t+ |, t: k0 q0 }
end" k& s# ?1 j' _9 S0 a Z
+ M1 a3 c$ d8 m9 Q+ w4 O3 [;;run time procedures- V7 u( W/ S: q& @! p" l; }/ h( d* x
" V- |, q+ U9 \. r3 H2 @3 |
to go# H( ?* j1 E! V, F& ] u
5 i, g* [7 o9 Q3 A3 [# \# ?
ask turtles [do-business]4 j0 [9 @) G5 X' w, d/ O
end
% \% g: V1 ^' b
p; H# `& m( a- x/ ^to do-business
% q4 E( F) j% r4 l, _
! h9 j6 y/ Y) H- w% w6 a
" r* Y4 y! \ f( x% urt random 360
5 p, u; R- r$ m: R8 X* R
9 J; |" W9 ?" Q# U4 ?fd 14 h& Q" ~4 V; r3 {
- _% s8 U' l. o% v3 C/ Cifelse(other turtles-here != nobody)[& Q9 o! L4 T7 ?" `
1 w& e f1 S4 ?+ L: k5 M- |/ ~
set customer one-of other turtles-here
9 ~; z& ?3 i9 C2 V
" H9 K V- L1 b/ K3 c: u, A0 L9 T) F;; set [customer] of customer myself
2 Y) {( u& F1 {+ J8 o$ n3 V1 _$ n' @$ l& o% K5 v3 Q% |! Q
set [trade-record-one] of self item (([who] of customer) - 1)" }5 O3 W- ]+ z7 M" v
[trade-record-all]of self
4 B0 H1 b6 N6 f, e+ x" d# m;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self5 Q( z' o. z, K- [3 `9 j
' ^8 G4 a/ H* m* \: E$ |( ^ q3 i
set [trade-record-one] of customer item (([who] of self) - 1)
+ |& }! E. c* y7 Y" n4 k[trade-record-all]of customer, ]9 H5 R2 U! S
8 T4 B3 A; f) Y" C Oset [trade-record-one-len] of self length [trade-record-one] of self
! `- [/ K- H2 a s1 D9 W# Y3 @. u8 ]: Y b; O7 {
set trade-record-current( list (timer) (random money-upper-limit))4 u: k* ]* ~6 o, J4 q0 a/ c
& r P* V: i& S8 Y& p/ m% hask self [do-trust]
0 _6 X! f& T/ Z; J% ?# Q# _9 S;;先求i对j的信任度
8 [3 t5 u/ x$ K9 s6 U
5 C; m; `, k: c1 ~) [if ([trust-ok] of self)
9 h+ t( I7 R6 U/ c$ A;;根据i对j的信任度来决定是否与j进行交易[
9 e# P* A+ I" P; r6 gask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
9 N/ m4 a0 R" ]5 b7 E. U) p
0 O4 b; D0 Y3 V' S& J8 n[( |' f1 l2 o0 Y) I" t7 O) j
2 C4 Z, k2 g1 a$ a9 a1 f
do-trade4 h' D; E0 E+ W T" r
4 j2 R3 u; ~* r5 rupdate-credibility-ijl/ f7 r* P* d+ w0 J4 u/ j
# n( U7 `& N3 e8 c) Q- F @update-credibility-list
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update-global-reputation-list
4 e$ j( }" I0 x( X9 L3 K
( {$ B, w8 t4 D# G* K( s6 Qpoll-class
5 I5 ~+ C3 f3 ~1 d
* d. ^8 q) t& r5 @get-color
: @! A' s" s1 h: }" v$ [0 |, Z
8 n) Y; l4 _% x& F" f]]
$ m2 Z1 m6 D: F. Q
$ H' w+ t" t C" v6 {/ @1 F+ x9 ^! C;;如果所得的信任度满足条件,则进行交易( w; r, e" E& u- I7 |6 l+ x. v
* I9 o! b% r4 Z/ t7 u; }- q9 ?
[6 Q+ I- n$ a' R6 {4 c2 F' {
9 d6 W" V- w( P* Drt random 360
5 H) \- n7 Q# _; o; r) M5 T% M5 I0 d: Y, r
fd 1
P' L% s, w3 B6 r( d4 V: f" H+ e
7 \1 W) ^& `, r h1 f9 Z) W2 W]
& z4 c- q( G" z: H
* t/ A$ d* _6 Lend& @0 N h. z6 ]; ~4 ]% c
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to do-trust / j; L C8 X* f4 r/ O+ T
set trust-ok False
+ \ z: [* d3 Q9 v1 J, S1 A+ l% D$ T/ X6 \
" M E" j0 y0 h
let max-trade-times 09 a; b) V7 s, H, h p. v8 D7 r
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]; Z+ r4 {2 C4 U B9 i+ `
let max-trade-money 0$ h+ @4 c; X2 \+ u* v
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]# O1 U- ]$ r' u( D7 P K9 G9 i8 }
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))5 ~; m$ I; ~& {
& m3 a1 k m2 v8 o
, P6 j+ h" c! Eget-global-proportion: |. y3 F# k5 V1 M2 e( ?8 I, l
let trust-value
7 d( J0 C' J4 O5 I& Y9 H" Q( slocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)! X3 ]$ N2 F2 N5 c
if(trust-value > trade-trust-value)! k" z3 J$ A+ K
[set trust-ok true]5 h* N! N3 v, ]" Y1 P$ \: @9 k" k6 F
end
3 U5 |) m- ?/ i% g0 q& ^. B
7 l1 _' Y& N% D# H; w6 Tto get-global-proportion
7 {" z+ _) r; O8 ]; U9 U# xifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3). A) b$ e5 E4 D) j
[set global-proportion 0]
6 c5 K7 m. K$ ^/ k, P[let i 0
/ N8 B' \* z' S3 K+ p# olet sum-money 0
7 B9 q9 L6 f( A* C$ d% v6 Mwhile[ i < people]) Q/ V0 g- W0 \
[3 e* {8 q2 k# Z# j/ q
if( length (item i
& Y' K, a" T2 r[trade-record-all] of customer) > 3 )% x8 [% n8 J/ w$ v
[2 Y7 b5 l5 F0 G5 l3 i y
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
@7 j- k4 q! G+ ]]& r' {, j8 j I. r
]
) s) K! H7 s# `; K Q# ylet j 0- M5 R% d* c3 S9 S. h* B2 m6 |; i
let note 02 f* V+ H- g8 Y7 k; C2 ?" Q/ U9 m
while[ j < people]- ^7 f' \- A9 g' [0 u. i+ V
[
% X3 r2 Q. u1 }3 o+ B. V, kif( length (item i
5 A9 [! |* |4 O7 w[trade-record-all] of customer) > 3 )
1 F5 P A- }) s# |[( U1 H9 {+ f% M6 n, w& H9 Z
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
( r2 q. g/ ~; G" }) o* z7 k; |/ l[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]+ I" p& M' K( P- d/ R
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
6 P3 a& U- C+ G7 K* b# b+ l]3 H) D+ J3 n! x) A, O y' r) i
]3 T4 @9 t* j5 Q/ x1 R1 N
set global-proportion note1 O; g3 `7 t+ y
]
' k7 Q$ G. E% I2 Gend
: f; ^! H. O5 d0 z/ k5 U8 `0 o! n: s6 Q! v
9 ?5 b1 w$ p. Z2 q+ Dto do-trade
8 _9 ~7 p3 f6 a. B! d/ Y5 A;;这个过程实际上是给双方作出评价的过程4 v' o$ g; G4 C. F9 @ E1 n
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
+ I% o% G4 y8 P @* Q8 a1 _! Qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价3 s, f0 s, N. Q# C6 C
set trade-record-current lput(timer) trade-record-current4 L2 J4 @7 h" h" ~
;;评价时间
3 L/ e* j& ^6 J" O. h4 g' Z; f0 xask myself [$ ~( H# \0 A5 ^* _
update-local-reputation6 j9 Z& H: y _1 j+ [
set trade-record-current lput([local-reputation] of myself) trade-record-current
0 J; c) {' b9 P9 j4 d! T]
1 C4 h0 C3 `) ]1 P) c& iset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself/ j0 z$ U0 Y3 A% d
;;将此次交易的记录加入到trade-record-one中
; p4 n& B) d& Y3 I, _- Pset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)9 a4 e8 D+ g' F" b `5 D6 D
let note (item 2 trade-record-current )
; z/ R' `% ~( rset trade-record-current- P L5 d% F6 c7 @. O7 Q
(replace-item 2 trade-record-current (item 3 trade-record-current))
4 k- K0 F( L/ tset trade-record-current [5 {2 P! ]( R/ O. U$ D) p
(replace-item 3 trade-record-current note)
$ w$ r& M( ^3 ]
- l/ Y% S7 `$ Y) s# B% t# S! V" C9 f) s" V# ~
ask customer [+ ]* P+ a7 t; L
update-local-reputation
* V9 l' R. J4 o9 tset trade-record-current
' i* \4 ? K$ a& L0 _$ V: r(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
# c9 G3 f& X: Z" C; ~7 _3 h]
% N5 Z5 B4 m: M9 P8 _; d
6 Q# F7 c$ D6 O, x# n/ ]: I& t G0 d" P! l3 a, U
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
# O( m7 j/ ^1 O" O
$ n" G' b3 b I3 yset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))) b) F$ u: o Y. w8 b1 k4 U
;;将此次交易的记录加入到customer的trade-record-all中
* J& Z6 w. r5 n& mend
8 b% l1 g$ v2 s; e! E4 J
9 ~# Q# Q0 F m8 n" o- p( Yto update-local-reputation
8 D. Z' z' V. rset [trade-record-one-len] of myself length [trade-record-one] of myself, j- X4 k: k; h/ C- o% B
6 d, Y, t2 u# l
+ _6 G1 \' d0 h+ ?$ I% g;;if [trade-record-one-len] of myself > 3
+ c: ]: Z" V1 X' Eupdate-neighbor-total2 i" k+ Q( Z% ~- `1 m9 a, h' }0 |
;;更新邻居节点的数目,在此进行7 F8 x/ {, N; A! |
let i 3! z% {3 ~) @2 j0 Q2 E8 ]1 u
let sum-time 0
1 q: l: q% R' G Xwhile[i < [trade-record-one-len] of myself]1 c8 X& S' s5 f* u0 v5 j0 j
[
- P4 [# ?& v5 u1 Tset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! g7 c( j' u; c6 pset i/ ?9 V& B+ k, R( O
( i + 1)
% T; t/ y: e/ L4 {4 @1 k]
4 \% g" S; {1 }) r0 S8 p, w: Blet j 3
9 a3 r" A2 [# t7 W* M! Olet sum-money 0
# Y( o% P2 ?3 j3 kwhile[j < [trade-record-one-len] of myself]- ]1 N9 e2 I4 q9 T
[
1 \; c1 P7 m" p* b. b) W! q$ }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)
: _$ u. J* [5 H( X& kset j5 D7 S5 x7 B4 B) t1 [/ D7 b- N
( j + 1)
+ Z. u4 ~! j/ n- O" A) o# ^]/ U5 C, x9 Y( d9 f# b0 u: ^. _
let k 38 {" [1 U% w# e( ?8 P, E8 {
let power 0
& A4 o! b" x! ]7 _let local 0
& \, Z8 Y* b1 f+ {& [. J5 H+ Awhile [k <[trade-record-one-len] of myself]
" f% F4 \, c* {8 [8 q- P[
$ s# {" |& f8 w: L& Qset 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) * r+ L# \. I' i! o
set k (k + 1)0 Z! V) H& P$ V
]
; o4 @, m4 q X. vset [local-reputation] of myself (local), ^+ ? X" ~7 T/ y+ h: r2 I# T
end5 s% h' \( K$ V3 v5 F
3 g. P! ^0 [* s0 _, A$ l2 k
to update-neighbor-total' V7 Y2 T3 ~3 m' C& P! M' W( P
5 i, u3 _* l$ `! X3 n) L [if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
( \+ w1 d" R/ ^; p
1 R; E2 r0 z! n7 w' Q
7 z# p' c8 ?+ M- \) z* x5 M: L1 }: Iend& r& m3 b8 b# a; s- b) V
2 i7 \5 _4 r" I) n
to update-credibility-ijl 9 I# E A% B- n' S' q' N( @2 Q
5 U- Q) R/ K/ G+ R' d$ k9 A;;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。- v3 i) j ]3 Y. n ]' C
let l 0
- a* ~) y: x$ x/ I! e3 nwhile[ l < people ]
! Q% I# ?+ M; G) r8 S;;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7 D0 h1 r1 u7 h8 [% A
[
; |1 o0 x9 E6 p* D$ g; ~1 elet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
a6 ~) E/ ?! b$ Y s: O! o+ Bif (trade-record-one-j-l-len > 3)
1 p; e$ p! Q5 {6 ~% B2 n[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-one9 x* n! j: A' R( T A1 h
let i 3& I' k; {8 [, _
let sum-time 0% }% c' |: L5 s" U" x- Y M
while[i < trade-record-one-len]- M: t- |$ h; r" h7 l
[9 D" k. [; `3 J" N
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
1 d' y' ]2 u+ L& e7 B' }set i
; E6 d/ z; X. s( i + 1)
1 l; D4 r. R! [+ n d( ?8 x] } G! ?1 Z" S4 N$ A
let credibility-i-j-l 04 o- s( u: r6 n+ z9 n' E
;;i评价(j对jl的评价)% J) I9 f, {/ e% u
let j 3: t+ }; C! R2 \- [8 X( W5 v
let k 4
" E L- O+ Q& i7 fwhile[j < trade-record-one-len]
. o: Z" `# ?" |/ \! C[& {* p% |7 Z, I- Q; G# G
while [((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
$ i' v, U7 @" o7 L6 @; mset 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)0 e: D* a" u6 z7 `0 W9 z+ Q
set j# r; m" ]/ A f9 _8 m, z% T) j3 q
( j + 1) N6 E0 }* w3 x
]
8 n D7 N S1 z6 B0 _: s! _8 U# _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 ))7 c; Z9 m- T/ s
5 B4 n2 H' y6 A% D2 ?* ]- ~/ o1 f) N9 E! Y) ?0 _5 `
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))/ t9 Y9 L- V- ~7 @7 R7 k- ^6 o# G
;;及时更新i对l的评价质量的评价$ Q9 y8 r/ B+ |/ r: i
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
" t! R: F7 E, Kset l (l + 1)
( F$ G& ~1 J9 g+ J/ a]) j/ E: u2 @6 R/ p6 Q6 y, G
end/ V2 Q3 b1 r* q
3 d9 g+ v1 O" oto update-credibility-list
) G; v" ^4 D7 ^% s. clet i 0, S4 i- B0 U$ U. U2 m1 E7 x
while[i < people]
, w0 u% m0 J z1 N! r7 g. W5 O[
" R4 ]' b& K- A. T$ ?. J3 D, }* Blet j 0
/ _1 c y5 b- r6 H; Y8 Blet note 0
. V6 C5 G! r$ O- o0 p) M3 r; xlet k 0. e s, x N. v' h. d- x; y
;;计作出过评价的邻居节点的数目6 T4 g( V f/ s7 ^1 y* \% S2 t9 c
while[j < people] \8 ^: z" }) J, v
[% ]# d6 K2 D* i5 F3 ^" M6 d
if (item j( [credibility] of turtle (i + 1)) != -1)$ M# I7 f6 X8 l& d
;;判断是否给本turtle的评价质量做出过评价的节点
B/ O( V4 z! t: \) t[set note (note + item j ([credibility]of turtle (i + 1)))5 N: J Q2 T$ p! z% w; j
;;*(exp (-(people - 2)))/(people - 2))]5 E( N3 |, {1 H- Q+ I
set k (k + 1)& l {: x9 v* y6 g1 v S4 ]
]1 N( E8 ]% V, k- e
set j (j + 1)
- ~5 e3 H) b5 P0 w6 |$ k]- a* }) [! M8 Q" C
set note (note *(exp (- (1 / k)))/ k)6 }* p; w0 t2 T8 i( m
set credibility-list (replace-item i credibility-list note)/ s% w, P# E' Z0 z& p
set i (i + 1)
6 I0 M, W: s9 w7 o- _; d]
3 A Q; s8 R% v& H1 V2 ]end
& @/ ~: x1 F4 }1 [+ I
6 Y# v1 i3 p% I6 G0 mto update-global-reputation-list* a- c- }" R) |3 c6 f1 H
let j 0
! x/ [( }( ~: F* q4 Z+ \5 H: ywhile[j < people]( k: U2 ]/ R/ j
[/ H' h3 K' f: M4 L7 X- P( ?
let new 0
) }$ i' G" H' P! H) q8 y- A& K2 R;;暂存新的一个全局声誉4 l+ C. o2 X% ^4 _( n* V$ C
let i 0- W- W O0 v4 t/ w) m
let sum-money 08 ]9 e0 q) w! \
let credibility-money 0+ v" Y: \5 x. ?3 G* |# g
while [i < people]
- a! t' r! z0 X u/ C[- @/ U4 X- h4 V# s% n
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))). D& w1 Y3 d9 ?3 F5 O
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))% I, M* s. P; p* W9 R
set i (i + 1)
& B) W( w- p1 ]" Z; V9 L, V]
9 A: z# w1 Y. q( t( o3 ^let k 0; V8 n5 K( c; v: A! M3 q' F7 A
let new1 0
$ H& ^3 o& p' D! P. c9 nwhile [k < people]4 i4 `* l- g9 }, K
[- s* g+ M. V# q% n/ @, Z5 J* e
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)4 Q' [) t& S9 o4 F; s
set k (k + 1)
, B# {1 ~2 a$ p9 T2 k] Z0 M; D: k7 ~
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 6 z4 u2 V7 r* ?( B
set global-reputation-list (replace-item j global-reputation-list new)7 c, l$ f& H) A2 x8 k8 X# A
set j (j + 1)
3 s$ ^) O, g3 e! L. w5 E]. w. h; _0 T) O) Y/ A7 a" i6 c
end
3 J. S6 o& t$ \( Z- _4 [5 `3 D. l6 O# ?: E0 p; h* y8 s* ^5 y
* v" _1 L0 O9 ?2 w; }0 C
& Q. b1 R+ N6 N' N$ Q3 X Fto get-color
( F: a( f' _1 p& ~% j7 r0 I4 u& u5 P- G9 W/ @/ F
set color blue1 o" S, z$ f+ g( z) o6 e* M
end
. x# c2 Z# O; l, D/ w/ r8 Q9 b- J0 P; J8 @& `4 V. C: v* c8 b3 M- Y
to poll-class
. m7 D4 G8 e" x5 N- t2 Uend
) m2 Y. F9 }1 E; n
" W s+ J) F/ B! k( g& t! `# ^8 S1 vto setup-plot1. l+ i* E% x' x3 @9 p" X6 P
5 T, N3 K3 T, A Z& u
set-current-plot "Trends-of-Local-reputation". V4 b$ i! ?* O. ^/ R$ G
) Q7 b# N: N* mset-plot-x-range 0 xmax
t0 M, m4 P/ l g: s8 N( q2 `% Z2 [2 ^
set-plot-y-range 0.0 ymax
' F0 p" U% c% M. @$ O! z. ]end& n3 a4 A5 W: Y4 p
, S6 f1 d5 P5 s0 K* V: r+ T( Tto setup-plot2* S6 I5 A$ k1 D+ b+ }
0 S+ K. g5 r0 `6 }% a ~! ?* P" z
set-current-plot "Trends-of-global-reputation"
( \9 g( ?. n& M6 a( g# A% X+ \ w
5 i2 M& U0 D; Y1 ^set-plot-x-range 0 xmax4 x) a& {. I- ?1 x
1 H% `6 I) `8 f1 I. ^ b1 p' R8 o
set-plot-y-range 0.0 ymax/ h. ]0 F. Y9 L7 F9 g
end% Z5 h4 u! _7 a" ^, V. n8 I2 P
* ^8 Y# U- K8 W/ C% Cto setup-plot3+ E0 F: z& D t+ A6 E x
3 {; {2 ^, ~7 |$ B, K, o2 ]9 g9 Cset-current-plot "Trends-of-credibility"0 M% M9 h m, F$ q0 b. @
* ~4 [4 f$ ?4 @6 t" |$ d
set-plot-x-range 0 xmax
7 i: \- B: c8 R6 Z6 Y0 F) W8 I3 h. X% F; o- e
set-plot-y-range 0.0 ymax
1 f N4 r( ~. z9 c5 d' c! Nend
0 D5 k* ~; q) w
4 D C) _5 f' ?) gto do-plots
" c9 p3 {9 Y* h/ ]) x2 cset-current-plot "Trends-of-Local-reputation"
) e3 B6 O" T, I$ P3 b; C0 R4 yset-current-plot-pen "Honest service". Q! l3 S) I, J- J1 o! \
end
1 i) e) ^/ [6 T' u7 W5 \7 M5 ^2 V7 D; N6 a. U
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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