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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 S8 i! q) c0 _, ^
globals[( y* J" W( V- F& j0 |
xmax$ W- P8 H/ t* N' I9 g3 x! I
ymax
( L# b ?% z0 Q, dglobal-reputation-list
9 P3 r% N' |! W' [7 N& V# s
* q* R, P" B: g2 e: Q1 q;;每一个turtle的全局声誉都存在此LIST中) I4 }" r! v* h/ s |7 A' r, h+ m4 u
credibility-list
) Z: m; P- \# {( ^;;每一个turtle的评价可信度
& x& N& @' v0 G% C thonest-service
6 P1 t, t! A$ H& bunhonest-service
+ l# c1 A% b, t8 T) {1 C$ ~oscillation0 e9 K. u- K0 r9 j5 [
rand-dynamic+ b8 i; A6 j) y6 ~
]
: s; c% R. P$ e* [9 x2 n
6 s6 H% Z2 M/ J4 _1 y, L; u# g( @turtles-own[
/ |# O: a' M( S+ ]/ k# p% @! f4 }0 qtrade-record-all, F. T7 d/ {$ A5 n' Y
;;a list of lists,由trade-record-one组成
" Q+ H, a# o, X5 y$ T6 H+ y" i/ htrade-record-one
. h2 x8 T/ N" E+ u3 l3 L% U;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录8 I8 v% G4 U; Q& n3 }
$ }, J& k* K4 N" E;;[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]]
0 H# y+ H: ?6 M2 \) 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]3 |: D. m6 h- i; N Y- M4 Q5 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
1 w' f W, m2 k2 m8 `/ f& o! u/ N7 ~neighbor-total
' E. b( C: z# H, A) `1 L;;记录该turtle的邻居节点的数目# a/ \, i4 b* N0 i0 V
trade-time
: f/ e1 A% R' K5 W;;当前发生交易的turtle的交易时间* g5 v2 F2 \1 b, F2 [
appraise-give
) r8 ~; h/ M$ b/ t' c4 R;;当前发生交易时给出的评价
! H6 O; b) A5 D, ?" P, x8 ^& wappraise-receive
2 ?, s' B0 \1 S: D;;当前发生交易时收到的评价
* U+ h) h6 c& d% sappraise-time) I" c9 g3 i6 r1 w
;;当前发生交易时的评价时间
, L5 t# M3 c' G; X2 i( |9 V. clocal-reputation-now;;此次交易后相对于对方turtle的局部声誉- f% ~8 i2 g* f" ~% C9 v# R& \& e
trade-times-total
" h q* m+ u2 f! g" {2 j! {;;与当前turtle的交易总次数
* A% ~! O8 _- n; {9 jtrade-money-total
1 q# [; K. J2 [+ v" ~9 n;;与当前turtle的交易总金额( w5 X) n1 o1 ~2 J3 p# R
local-reputation
" l; X# M# I4 C0 `8 @) _1 bglobal-reputation$ u/ o1 F, G8 a8 Z8 Z
credibility1 X+ `; r( z3 V& d: U9 L6 Z
;;评价可信度,每次交易后都需要更新
3 Z. {0 _$ [$ O# ycredibility-all
* n& E& _, i: V' I+ _! z;;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3 v: U- B9 T0 b1 i/ ?
& Y$ O3 s2 n: F5 |3 Q& };;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" Y# V" l A5 N. `. m% @
credibility-one
' K# Y6 Z9 Q) j' l4 h;;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
3 v: s" t7 q2 _7 [global-proportion9 G* N3 y4 w# v2 A, i
customer* F' |; o, G7 O7 V- p7 O. I
customer-no
+ W, Q! S2 x! `% L2 m3 G8 }trust-ok
9 }# ~8 C8 x* A* }, c! B+ ktrade-record-one-len;;trade-record-one的长度
7 J5 X4 K# \3 _2 Y+ w]: w( `/ v, E( U5 K% L/ o
5 u2 K( \- o, b$ k;;setup procedure" M d! W2 L3 R0 |. Z2 `+ Q
3 \. n% M: f' ^% Q5 V3 `: D6 @$ ~
to setup
& h/ t+ L9 s- ?! f+ N' Z5 N& j. ^9 e5 U- Q$ s
ca- ]# a1 m W+ @6 {' n
. m4 h+ w% `7 [# t- Sinitialize-settings6 S/ X. i6 i( n0 x8 d( f( a1 E8 Z
* B& A+ K. n. v" O4 Fcrt people [setup-turtles]
$ ~- g% n/ M3 M* L. @- r5 C$ j6 x
^+ U7 u: k: M. a4 \reset-timer1 o: J0 \1 |) r2 s# A' z; V& R
- k' ~$ r/ F9 u6 W2 |9 U, O8 m$ Tpoll-class' i" \% I* F! X; R2 F
4 G/ @* l9 }/ A* c8 v/ c' {
setup-plots
w) Q: ]( e8 W' v4 N" }; @5 W; ^% ^' W$ ^) X$ ?# q
do-plots# k4 Y8 i% x, q) H1 W. Z3 A1 v& b
end
8 M0 q6 N' A9 i. Z6 ]3 ^$ P3 L: w
5 @. I; ~5 d& l; z0 m4 sto initialize-settings
* I5 i3 ]2 b2 I% [ Y
3 h) Z5 f: m+ D( h( `4 e) ^+ ~; p+ Q- Kset global-reputation-list []
3 e# [, x, D! I7 h) q8 j0 f7 J, {/ u
$ L5 N, i+ t# q5 m( Pset credibility-list n-values people [0.5]
3 R* S$ e3 \' ^' c5 c) j
; L6 _% Q/ y5 Tset honest-service 0
$ B4 A. M! n; K/ C+ V1 z
* I4 ], M, v# G% Tset unhonest-service 0$ T, |% s! V4 }# Q" b8 t
3 _/ W) n5 t; ?* }+ Dset oscillation 0' v# ~( A `. \1 T& n4 z. t2 J
( s' e' W# |1 d G3 u1 [
set rand-dynamic 0
) {5 T5 O5 E' m( vend6 t( r* ]) [2 j& u
! y O' o! _$ ]" U
to setup-turtles
* q2 k1 y0 B. R7 k8 x& j+ k$ `set shape "person"- D; X% _' |' v: i
setxy random-xcor random-ycor) |& H8 H# w- M2 v3 ~7 A
set trade-record-one []
/ N4 m- p. E2 m- q8 T _: u
9 ^1 ~4 I( k' I {set trade-record-all n-values people [(list (? + 1) 0 0)]
3 @7 b# F! W; D# b" s5 m% g$ \
6 E! F* a" S3 s" j+ s7 fset trade-record-current []
- B5 P7 a i5 d' D* L4 u- Yset credibility-receive []
0 y+ w) _7 e1 r yset local-reputation 0.51 D+ m& b7 o# p, h, b# Q
set neighbor-total 0
3 [" b+ N7 `6 F4 ^( ~1 Bset trade-times-total 04 \7 z# N, e4 A, E0 E* |% l& f
set trade-money-total 0/ r# Y: t1 b4 J5 P
set customer nobody6 O0 o( h0 ^$ a+ I( z$ R) I
set credibility-all n-values people [creat-credibility]; E: j0 }2 N, g- W) i
set credibility n-values people [-1]
1 Z* N$ x0 D% n' I9 w+ y, mget-color
3 a% w% B: k, s5 v' i. J
4 `( O7 k f# E( K. B" Tend
& y. G4 N0 M6 v8 p! B
$ k- P: e; W7 a( O, C t) N- K9 V. Ato-report creat-credibility$ J8 Y# j. u$ B: T, g J( C
report n-values people [0.5]& z' O4 Q: g3 O, m7 A: _6 F
end. T/ o, j0 t! _+ F2 q/ j1 s$ I
( W3 o' ~7 b! k
to setup-plots' B3 a: Z) F" w7 ?) ^* Q; K& ?
; u: \, u! _ z |. W$ Z+ hset xmax 300 z' @7 ?6 H9 V1 g0 v! p
/ |1 [. k) A, m( u! gset ymax 1.0, D& q5 q" y2 K3 T2 W8 I
+ P- N$ | [* @clear-all-plots
- ~) B3 y4 g, {' N3 n' E' b3 @6 W. |$ q
setup-plot1) O/ g' @8 t* \7 y* Z$ P5 P4 M
! r& x) W/ }: [* [( m$ Z' h9 g
setup-plot2- f' p" X$ q9 G" L: o
% A$ b, }. {+ F6 @3 a8 w& Nsetup-plot3
' V" R- O s* n, q6 k! Eend
5 j3 g& R+ [' u# ^4 H5 o$ e
2 G+ k5 {$ |% p( U# U8 K;;run time procedures; G2 v; h$ s! K, _* c. }3 ~3 w6 |9 r
3 K1 s) z. W+ z5 ]) _0 Nto go
4 `0 q* h9 h8 X- g3 \
/ l; R* {6 F9 E; f; ~2 u: Gask turtles [do-business]
: U4 J0 B( Y5 V& t7 W% |; v' Dend D( E( o0 c! a6 a. | S$ M7 \9 n
( p9 q* v! D. d) ]8 s
to do-business
( n* R' F% w8 v0 b* Z% {, h* @7 a3 f
I; k4 J' J5 v9 B |, B
rt random 360) w' J' w, q2 s) u; X
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fd 1" l+ O' ?$ \4 n; W; g6 ]9 y
4 B; @9 P9 h( D( s& A" U6 Fifelse(other turtles-here != nobody)[
" }, ~6 s# B0 j; I, ?" c# T
8 |, v$ d6 M5 a# m+ G9 Aset customer one-of other turtles-here
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;; set [customer] of customer myself* Y4 \" V% m- h8 d9 z0 \4 F
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set [trade-record-one] of self item (([who] of customer) - 1)
6 {. L- K' v$ i! i4 ?[trade-record-all]of self; [6 e% H2 o0 L( v) d9 y
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self; P, x0 B' n" M$ Z( B0 O9 ?) S9 {
B& j, ~1 [0 A1 D* t7 Wset [trade-record-one] of customer item (([who] of self) - 1)
$ w8 h. ^7 K4 r. m7 Z; A0 l. w[trade-record-all]of customer" B( x, t' |# [; T
F- f' i3 W7 n4 @2 V5 u/ O
set [trade-record-one-len] of self length [trade-record-one] of self
- f6 K* ~6 O3 ^- J' @! e% v# B5 A. h0 N' e5 X- e$ v: w
set trade-record-current( list (timer) (random money-upper-limit))
* x- {+ }* n" s& l! j0 Z+ f, @6 d! o' Y& p( Y$ {8 p- y
ask self [do-trust]6 A$ z: v1 w* I% X
;;先求i对j的信任度
! |! i8 j% y+ |9 f/ g4 e1 P$ {- R1 a% g, I
if ([trust-ok] of self)9 c4 M; H# ^" T
;;根据i对j的信任度来决定是否与j进行交易[) p) m6 t, d3 z7 s
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself/ v. I* _4 D; a3 m6 _5 I4 ~, J& ]
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[! z- f3 D7 D; X8 H9 B
1 I$ e! B- D; @, e @% cdo-trade8 T3 p! }5 Q. e+ V' G# \
) X3 K6 ^$ ^; i( Gupdate-credibility-ijl
% \6 Q7 ?; f2 W5 }5 G- L- Y- a# p2 a9 k2 y
update-credibility-list
) S2 R/ {/ f4 U! _
) b; f! `: `: p6 d$ ], X# f
- m( H( b7 J- ]# K8 ]4 R9 X' v! uupdate-global-reputation-list; S3 ^, S( }7 i9 E
0 Z6 g9 n, e2 \- t& x/ Ypoll-class4 O6 `* b: K& R4 [" [* o9 w
8 X5 e! l+ z1 {' N
get-color
7 u# M0 r; b% y
5 S+ ~; K. @6 \$ i5 O: |3 ]]]
2 E3 E( G7 X6 k/ c3 ^% E) k7 G+ ]/ E4 U# u
5 e% e$ \5 q j. z Q/ i$ H;;如果所得的信任度满足条件,则进行交易
8 r [. j( {9 b- p% w6 h( _- b! [! A( z4 X6 Z h) o
[8 o1 p- Z' O9 C# C' o4 h
# F) }' I# Z& q* I+ q5 P0 y
rt random 360' ]8 ^2 L, w W O7 ^
: a- q) l2 j8 E, ^$ ` N7 k5 Ofd 1( V8 F9 I* p; n% z; R
" C4 R1 G' W1 v7 X* p, d]' {) T3 T/ ], x- n7 U2 F
2 L6 z7 {+ }+ t6 qend2 k: Z- [" L" h& M' N' l- r% O4 }' p5 f
7 W2 f* K K) ~' B' a, O! Bto do-trust
! e `. J0 {3 Bset trust-ok False& [) w- e! o2 q: ]1 l( m! h7 r
3 Z% x p9 S5 o9 j& O
# z5 o' L9 \1 U) Ylet max-trade-times 0
) ^( k3 u. t) T1 |% _" F) z$ Z* Iforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
) z( ]. w) w( g" g! W+ plet max-trade-money 0# y# _+ [0 B7 u# E
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
- F" V, a. c2 ]/ |$ z- n8 zlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))1 K( Y- f& W- F& r$ M
6 f! Q, @: e2 `# z5 U; c
: B U( G! D( c: G' \9 t1 o9 Sget-global-proportion+ {) e: A2 u* z: ]6 y
let trust-value: g! ] y/ t. c% F
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)) |1 {, ]( D: k1 x1 n4 }7 E
if(trust-value > trade-trust-value)
4 X6 q: o9 F0 ` x" p. a; ]( O/ s[set trust-ok true]6 r$ A4 C: H( v$ {+ @' H
end3 d2 {( B2 v# y% L0 W" t
/ m3 t4 r; i0 J5 D* @to get-global-proportion
% c- r5 R; \# Q3 Q, jifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- m0 ~. q5 `1 Z) b
[set global-proportion 0]5 L# q+ S# y) f( x( m1 P; s1 ? q
[let i 0
8 b* x5 }! d6 y+ V& l( X$ nlet sum-money 0" A5 r' c% r r8 F8 {: x
while[ i < people]
/ K$ }: V, j$ V, Q6 t- Q[3 [3 b2 ]; y: r3 _" E2 a6 _" W
if( length (item i( F% z0 s3 q# C
[trade-record-all] of customer) > 3 )" k1 C! ~' v( X3 Z, x! @
[
/ y; U/ V# |) P5 }& X$ W+ xset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
8 S+ q; z$ Z( Q# m# q$ W+ W]
0 Y* C$ d! \7 o]
; U( j8 x' v0 J3 p( C' llet j 0+ z9 \0 Z1 w3 R9 C y9 x
let note 0
% H9 D7 i$ t& H1 C% Dwhile[ j < people]
" | M g, }: o6 f[+ \8 I) @& X2 {
if( length (item i! E+ J- k4 ?' y" g' C8 E
[trade-record-all] of customer) > 3 )
6 y0 S- g* p/ E[
- K# F* x; v7 `ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). ~ k6 ^' d2 Z( }1 l/ O B( L
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
' U8 W3 k0 f# A% Q9 u; O1 f( h" v: |[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]: `: J) W4 S7 b6 ^
]# g. F# Q& P1 \6 a0 V0 n
]
! D% E2 M1 _0 {' Z+ w! u# iset global-proportion note
" |; _# e' I, m- A! K) {! ?]' ]2 c. H: a2 s$ w* z" x( Z# C
end& q4 M" |1 f/ _
- |1 N# P0 D+ n( b) Fto do-trade
% C: Z3 O/ P$ T+ `;;这个过程实际上是给双方作出评价的过程( u7 ?2 E. w# X @: E
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
4 H x, i% v( E: L' `3 F8 C0 _set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价 N* }$ O" }+ A
set trade-record-current lput(timer) trade-record-current
' W$ v/ c/ m. ?8 A$ |; ], C;;评价时间
+ q* ~/ T* S6 e! I+ d' h& T# Aask myself [+ q6 w/ H7 d @# m" L$ t
update-local-reputation
2 T2 ]3 t' m/ k; \set trade-record-current lput([local-reputation] of myself) trade-record-current
9 t( s$ M, a9 m) E]8 L+ X: P$ |, j% v
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself* g; T! Z! H- s! ~5 \4 J
;;将此次交易的记录加入到trade-record-one中
) ~7 {4 e& X8 s! |set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ M2 d4 S9 h: ~) t! \let note (item 2 trade-record-current )
# v, V$ _0 l- Cset trade-record-current. s6 ~2 }6 K! i# D( i( x7 f( @
(replace-item 2 trade-record-current (item 3 trade-record-current)) `* }* i8 N" \, K% h: w, u
set trade-record-current
/ c) J: }. P ^ V0 Y9 z(replace-item 3 trade-record-current note)
/ T1 c# Q& c1 w! j0 ?! i
5 u" h/ l. M; o, |& ]* a" _
* t/ p( d" g) g% }/ Lask customer [
4 X+ z# M$ j4 W8 a7 C$ g1 pupdate-local-reputation
! r" c: m5 C% N' Aset trade-record-current3 R; ]: W- j1 t0 R ^; W) J
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
6 B: H8 T4 u9 U; F]
+ A; R2 }% B* T0 e# g5 A& K/ \) {! b
1 M, @3 K, R5 d! o( c8 P
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer3 f/ R: {- N& r E; y' G; P, U
, p2 ]8 E3 s3 oset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)) R# J: Y3 k$ y4 Y" Z1 v
;;将此次交易的记录加入到customer的trade-record-all中" e8 z' h5 t+ g5 b% E
end* o7 c0 H, t/ I: y/ w2 i. p
3 f/ ]2 k: N/ W$ [/ Qto update-local-reputation
7 p4 j" G W& }& N0 Xset [trade-record-one-len] of myself length [trade-record-one] of myself
& T% E( k! w* X; o8 L* x }
: F. r7 M3 N( j D8 e/ ^
. k8 }9 ]: J4 x0 C3 f* u;;if [trade-record-one-len] of myself > 3
8 [: y- R8 _4 m; c( x. {/ N" H, Pupdate-neighbor-total
; k! t9 {# D+ |) W7 l. e1 q. _) u2 U, p1 m;;更新邻居节点的数目,在此进行" I* f7 g# `) V0 E
let i 3# Z8 @7 Y/ [, m8 @
let sum-time 0
: m- X: m' q5 c- t. dwhile[i < [trade-record-one-len] of myself]
) W0 n5 @% W1 O2 E$ c[5 X W# y6 s) \+ d0 t
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ) H+ [( ~6 T4 T8 {' K( A, ?; s) o$ z+ Z
set i( P# i; `5 D- M- E
( i + 1)
, k" \- |' L3 X7 x$ a]4 v3 C# \; ]8 U0 ~4 O
let j 3' f6 K+ G2 i# m9 ~
let sum-money 0
& u. Q( ~2 |# Q( V# p2 [while[j < [trade-record-one-len] of myself]
* U* O4 n0 W' Q" x8 d/ h4 r' h[) _# E; b! G" w4 w
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)
' \0 {" i; Q0 i |* A% A) `set j* T, W" l0 V4 }3 X2 @4 S
( j + 1)) A% l E* t4 }- \: M# k( Y4 U u/ p
]5 r% _! z( c( K! |
let k 3
: {$ W6 Y# J& t! k4 ?* Wlet power 0
7 [: ]2 n' g* g2 @let local 0
* Z+ u1 u) d4 h7 L' } N4 G9 S& ?. Lwhile [k <[trade-record-one-len] of myself]8 x5 {& J5 K4 p; o" C
[
& X- [" y1 h- k5 [9 J( [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) 8 C& Z+ O* ~$ u, Z
set k (k + 1)( b1 L. _- j( z2 a
]
8 E% |' _. v3 _1 ^" |* ?3 pset [local-reputation] of myself (local)/ ~' R& V$ M8 ]& _
end1 t7 o% |: v* u9 L
0 Z# X) f/ @3 w( Z" H0 L% h+ ato update-neighbor-total' m% R5 w( I# J; Z1 i% F
- F3 z, j' Y3 ~+ ^8 nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
* p4 v4 b5 L, d7 ?6 P. f* d' j+ B* O1 O
, d# ?- Q8 S3 j8 O3 P& B
end
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2 G' ~* \ v3 uto update-credibility-ijl & V: w6 g" }9 V1 ]2 v# \
0 ~/ x d% I* e( Y4 W
;;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。: E0 D' ]! R) J- Y- p
let l 0
: M0 o* J0 n% s* F$ j! [% Xwhile[ l < people ]
+ _. ?- r/ x. t4 l;;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. ~# v* V* z" _
[, d' G: O; H* D/ s8 Z+ W
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
% B" l% {; ?- h1 ~2 Q$ Zif (trade-record-one-j-l-len > 3)5 M% N5 _8 F7 X9 @& L4 o5 H
[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
% C% H. j) ?4 s4 D( a/ ]let i 3
, N8 V; T" p/ B: l3 l0 [let sum-time 0; {& \5 I) @; P0 @
while[i < trade-record-one-len]5 y# x# Z6 ^2 N8 I5 ^) J! x
[
; M. y9 I5 U) Yset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
' i2 s* ]9 G' n% O8 I$ xset i
}6 n) i6 t d' Q$ l* A. O( i + 1)
. y4 R9 V) ~7 ?0 u% h& I]
/ D! {2 X( n$ ^! X! ulet credibility-i-j-l 02 L' e0 ?; r$ Q8 K5 o
;;i评价(j对jl的评价)( Q# |6 m/ p9 z! ?
let j 3/ G" p. a# O$ ?- \+ O _
let k 4
[ {0 }" k( v( c$ m4 Q9 X* W. Kwhile[j < trade-record-one-len]9 o) R. G+ c; g
[
4 S6 r, C5 V% Owhile [((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
9 \2 E& i8 n5 kset 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 D3 |6 k! }7 f5 gset j& L: n- S- U& u" D$ ^, M9 k E* T( I
( j + 1)
$ I; a. t# r+ s& ^4 J* H]4 L. |4 c* `7 s
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 I7 o: E4 L+ s1 I8 `( `7 |/ G
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2 X5 b- a8 z/ h! A H$ l& Plet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))6 T7 J/ z' [4 `/ ~, e0 ~0 n- `# g
;;及时更新i对l的评价质量的评价! a3 r8 y* J! w" d7 `* I' q( d
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]5 E( X M- t+ l7 F& c {& ]: ?, R
set l (l + 1)
2 ] J5 q S; h. |* I]
7 ]& _- J8 j$ @end
5 p7 N5 }8 n/ I) k2 m
. `3 v% B( {4 h4 q4 Yto update-credibility-list4 G: d# t5 X" z% T" T0 [
let i 0
~. ?( M2 I+ ^& V8 F0 C7 ?% ^while[i < people]$ i6 ?* F, B( O- [
[+ Z+ l/ U( j7 }! {& E5 u1 g
let j 0 e5 q1 N2 I* |/ ~1 l
let note 01 {- x$ M. ~$ n: \! e. t
let k 0
6 }) R* @* ]9 w* ~3 L;;计作出过评价的邻居节点的数目
O8 }+ g+ G9 @, h* M0 Rwhile[j < people]3 E- D/ x, d: \3 x) r1 n
[
& m" W/ ?4 u5 q+ w! Jif (item j( [credibility] of turtle (i + 1)) != -1)
3 \* l) k% v% l' ^& N# d* J;;判断是否给本turtle的评价质量做出过评价的节点
# [! s" z; m" P+ o0 ][set note (note + item j ([credibility]of turtle (i + 1)))1 @4 o' [1 R, f
;;*(exp (-(people - 2)))/(people - 2))]
8 n8 d0 ]& O, @$ @/ \set k (k + 1)4 d, Z; Y6 {$ M, _8 H
]
1 i) l( E2 S5 L$ {, |3 v4 j. i8 kset j (j + 1)" x$ n2 B3 v& W/ Q/ s
]
. ~: ?$ @6 B {) ^3 L, M; Eset note (note *(exp (- (1 / k)))/ k)" }6 ^& `& J' o' z+ ~; j6 P
set credibility-list (replace-item i credibility-list note)
8 k: V/ t. D" m# c/ fset i (i + 1)
$ y: `( R6 L/ `8 c] h ^8 m# m) n$ z: `6 z1 W# C
end
: u5 h7 i0 ]5 O8 w+ F: W3 j
% ]! F( o- \2 n: nto update-global-reputation-list9 ]- c- e6 |5 M7 s8 b
let j 0# \7 t2 q3 m- I3 b [: k
while[j < people]8 y W- D" D7 Y. y
[- f" P$ E8 N, u# G9 ?
let new 0
* ], r4 t& M+ ^) l8 w" `% p( d;;暂存新的一个全局声誉
% ^5 o/ t: B/ D; P2 L7 U! e4 Jlet i 0
# B. U* X5 E1 a1 w9 C, n1 Flet sum-money 0& u# X9 l8 n, R4 {
let credibility-money 0
* e7 f) f8 D7 g. Y+ F3 }/ ]0 Kwhile [i < people]- a" G T! [4 J9 v
[4 X+ o# E& ]) a9 m" ]7 a) F. i
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))( g5 r2 R% }" ~( H
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))# `* h8 t& v, L) q, @( g
set i (i + 1)6 v# m1 E6 S4 @. _! D* g
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let k 0* n. s9 ]; F: q/ ^+ n m
let new1 0
( h" l8 N1 z# z4 Uwhile [k < people]/ {/ J6 f$ h, v1 o
[% Q9 q7 A# [6 G/ p1 P
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); y2 `$ x# V9 K) e- [9 a* y& v" a" {
set k (k + 1)
2 u' M2 m9 v9 B7 s* f, Z; u1 i' C]
8 ^7 f, }1 x) A, r# j% b) ^4 eset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
% K# L+ U$ h+ l5 _/ E0 G V' tset global-reputation-list (replace-item j global-reputation-list new)
5 g8 ~, W4 {- b0 ~, L! nset j (j + 1)
& \$ a0 V. L' _]' v2 b J/ Q) m3 }" B( h/ M
end; K" s* Y( | L* Q
1 ~. n" e w0 Z: R* x
3 F" N. I/ a& V8 l! B& D* D" x$ `) L' k/ M) q5 Z
to get-color2 w9 t' H) p1 u
- ], N f, G1 \, Kset color blue) d; T4 O4 Q# @/ Z, {! E
end
+ u+ |3 E3 ~0 U- q k* S. F8 O' N9 O1 D$ i: e5 [( H
to poll-class9 r7 z; D0 R( e
end
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g, e+ u( r( J0 D( u/ Uto setup-plot1
& J# ]0 [+ [+ @ O @1 Q
6 l H; F3 m. N! d- H/ rset-current-plot "Trends-of-Local-reputation"7 E9 K" `0 [6 f4 d% W6 i9 R/ W
3 d, F: L% O: e& u& X4 K* Qset-plot-x-range 0 xmax3 O, l n) I% X/ O1 U. r
- z" B7 E8 M; ?( { u% B/ kset-plot-y-range 0.0 ymax
, i+ X" P3 A0 s; d$ ~+ eend/ x/ J' Q+ @. q' V2 t
) x1 j/ Q) h1 W* [0 g- A3 t
to setup-plot2: C' f2 x2 `; g- x7 M; r0 `3 T+ J& `
, ]8 [( ]# q& G, W$ K) p
set-current-plot "Trends-of-global-reputation"
: `0 \, G% r: G/ n: f+ q0 x# o; e. q( E" h4 Z& p: r% j* L
set-plot-x-range 0 xmax
$ Q8 z) T' a# U/ H( B, N9 d
8 h: ^$ s$ D1 y' _9 `' c9 g& [, Gset-plot-y-range 0.0 ymax* h* `- K# B' U4 g" p) ?) |
end
; W& u8 f8 e0 H3 k$ D' j" |. g! d# ~
to setup-plot3
6 B) i; E) E; A' G$ A- q# k
" N% A: @' ~& H: Dset-current-plot "Trends-of-credibility"
8 D+ h2 x# i4 ]0 T! N u3 b& {+ b- n$ t. I
set-plot-x-range 0 xmax( k% Z0 q& b6 k, l/ F7 Y6 c
" j8 ? X+ i$ a* {: w8 U1 ^set-plot-y-range 0.0 ymax z) X( n) L# M* U# q+ M
end! H+ a% w0 s3 n2 `- N
: w( U2 R1 u6 v8 p- ^ c. c
to do-plots
; o( y0 F K; N" ~9 y( N' z9 c0 O7 Wset-current-plot "Trends-of-Local-reputation" |. l! J6 A3 I' Q$ l
set-current-plot-pen "Honest service"
7 Z+ W, B' e# C2 p1 gend
1 w3 z! L! K. y
* P* d6 Q6 s. F3 ^( T) e' {[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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