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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 \' O; c7 R4 X) d2 S( ^9 \
globals[ O6 o5 w' d, g6 C, r* k" \
xmax9 G T6 w. u( b4 |& u! k6 y6 V
ymax
6 a3 `! ~6 V0 V; L! `global-reputation-list
$ F2 d) _6 d: k5 }' ^
/ n; j/ K% Y2 n5 O;;每一个turtle的全局声誉都存在此LIST中0 E9 P0 o; ]0 w( V4 d1 X, c
credibility-list
" H8 y. S; d" N/ p;;每一个turtle的评价可信度
- N7 H0 ~; f2 ~ ~7 vhonest-service) {- p/ w( H% W7 `* {0 L- E; K/ H
unhonest-service
' j+ z. L% D& T" `: u$ Coscillation$ q+ u4 I3 p, p" v+ k4 ?
rand-dynamic
8 H4 a f/ d+ p0 z' Y5 N]
7 T: y. W+ }) w
4 I( q5 i8 |- z- Q% _turtles-own[+ r! {/ G9 A9 K: U
trade-record-all
. a* Q- Z+ n5 J;;a list of lists,由trade-record-one组成
! _6 a2 M' v7 [& x8 Strade-record-one
: c, ~' Z/ g4 s$ E+ ]4 @ c) |& 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
) O- V* f3 [- L5 ?4 O
. X* t, C/ V7 ^9 @;;[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]]) d1 X, `9 T9 @" I* }, g) a
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]
# q* e& {! @. ~8 w0 g) k2 Y5 bcredibility-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
, h# ~% S u; `( G( Jneighbor-total
& _) a2 n, N" p;;记录该turtle的邻居节点的数目
, N9 V4 j' C7 l: W7 B+ Q. r" X% ftrade-time; {/ z/ s% L. T) z) A
;;当前发生交易的turtle的交易时间$ P6 o1 T% D! d) d2 u$ Z4 p- _. j
appraise-give
5 q. Y8 Y: d) c+ H;;当前发生交易时给出的评价
: I% }& v( F+ ?' Lappraise-receive% J1 l- K( ?# q8 V) D8 s
;;当前发生交易时收到的评价
: W% S1 b8 m, X0 E" Fappraise-time
r! V$ B+ R9 d; }# L# z;;当前发生交易时的评价时间
: k: N( W% S! N8 U3 E+ h- blocal-reputation-now;;此次交易后相对于对方turtle的局部声誉+ H- J7 J, y9 }
trade-times-total4 L: b" R+ F+ q) K
;;与当前turtle的交易总次数! p% _; L! `% P$ h3 l
trade-money-total
) G; l# W0 f c8 F2 ^;;与当前turtle的交易总金额
# i0 m( \1 K3 h" m$ ylocal-reputation: Q/ V% E& G- S' o- s6 ?6 E z. E
global-reputation
B* j: o3 c$ S+ B; |' O( Tcredibility9 [% v/ @( M' U' F- q! b+ x' L* S
;;评价可信度,每次交易后都需要更新$ ^0 W) B3 V2 i6 p# r6 c5 ^7 I9 m
credibility-all
0 h9 g- p( K, M! K( ?;;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$ g; i u1 N2 Y4 c4 _
0 T# L; E9 C+ d$ L' [& \5 W
;;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
4 l9 X; |+ B- y& j2 S& L2 q4 @credibility-one
7 t( J, k/ L3 x! b/ t! y6 t;;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
J8 p- m) o; h, n1 uglobal-proportion1 V0 R: ^. J! v8 k, J
customer+ f, P: R- U/ D9 h# V+ P+ u7 @
customer-no5 T5 [$ n& e, c
trust-ok( K2 r1 C) p6 n9 ?' z) U- m% X
trade-record-one-len;;trade-record-one的长度" ]* `# u3 k( b, i
]1 ^9 i2 }( w& p! i0 O' y& z, k" E
% d$ p7 y7 q5 F' {;;setup procedure& z; B3 x( a/ G O1 @" l
) b- x O# V2 k* n" E# d: hto setup
2 ]( m- S; C$ e$ h+ j* d* y ?* R: j s/ E+ r9 l
ca
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initialize-settings
: v. _3 a* H( k) ~9 w$ L! t! f) T2 D g# O) A0 k
crt people [setup-turtles]; W4 w. d# L+ y' ]* N- Q
. c; U5 {3 I8 z9 u4 i( |reset-timer" p, w: W1 F5 J
" }4 G9 E7 A g' C$ ?( K; l: l. L1 A
poll-class3 b3 ^. w, @5 ~& g ]* ?
8 n# `& j2 c, ]4 ~; B
setup-plots
' q" M0 l/ J) [2 l4 {9 W4 K0 q p3 X, T( C" e( R* L9 K
do-plots% V; `4 ]- B' G) W1 A8 z
end
5 @$ f' s, K0 c m. t# c7 m% ?# b2 E# I5 P# N8 {: I( S2 Y
to initialize-settings8 K Q6 G, A$ ^' N# C' b. L9 T$ F
8 Q3 {! u& d, G7 _
set global-reputation-list []
; ]6 i+ T f' c! F+ Z, @' @# P" o3 `- Z) g: l* n% d. E
set credibility-list n-values people [0.5]
: |! o9 q) M5 Y3 [4 M9 T3 H+ I
set honest-service 0
4 m3 G, i" G9 i3 C3 _$ o& |" @& p3 R: Y
set unhonest-service 0
2 e1 |) ]* D' i% V9 m' L X f! \
6 @3 s, R7 e s% Wset oscillation 0
! \6 t* q) b8 M2 H& c
# }1 ^5 _' j$ } rset rand-dynamic 0
, r$ x' |* F3 d2 q/ Qend
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. l2 S# X. ]9 O' uto setup-turtles
% ^# U, G" m/ `! g$ ?4 Cset shape "person"5 I8 Z6 Q( N& M* V* [) K& e
setxy random-xcor random-ycor
* V; G3 Z* q0 Z1 Hset trade-record-one []
$ K: p8 f) Y6 k2 e# a
$ G. `: g9 E. r) V8 B9 S0 }set trade-record-all n-values people [(list (? + 1) 0 0)]
" N k' ^) F; |# O4 K% Z2 S7 \! L8 u( A2 N8 l: K4 b h9 ?0 n4 x1 J
set trade-record-current []. H, F9 s) q- o3 }: c
set credibility-receive [] |: T1 z- g0 `
set local-reputation 0.5
: [- r% X8 e2 h8 ^, O. E6 j9 V. eset neighbor-total 0
$ B7 W8 {* ^2 x8 L# Y6 b' A% xset trade-times-total 0
) M4 r a" E/ o5 Kset trade-money-total 09 B9 ^) _, S/ n* L9 S
set customer nobody+ \0 M$ J/ G8 o9 p+ S
set credibility-all n-values people [creat-credibility]3 C" V: m& ~6 I/ K( t/ e
set credibility n-values people [-1]1 k8 j' P$ O6 O
get-color
; \) x5 n% U3 o9 r3 h6 Z! }* U+ L. O7 [- m
end
6 @# o8 b! J0 @$ \2 H$ c' l) F" M! p8 D( N8 N$ c2 E
to-report creat-credibility- O$ J9 o0 {) A3 _0 U6 P" N
report n-values people [0.5]# s1 P$ C' E7 Y4 K; {" k. s
end6 ^3 y( j7 ? x+ t1 y3 z3 ?8 v
% X9 p: `- J5 Q* z0 r7 E; ~/ vto setup-plots$ e5 W) C4 P% ?& e7 j9 }9 q
+ h; H; o0 F1 h+ k: m' b4 g
set xmax 30
% P9 x J; r% Q$ R& i" [' q: X
) s% V9 w* O3 {, aset ymax 1.0
# |2 \, |- d! x+ g5 p7 u
9 m* q! Q# s3 w* P Y: K3 Cclear-all-plots; M$ E! K9 |4 O) u4 ^
. l8 Q6 h! m2 F+ h- j6 V7 I2 psetup-plot1, D1 e3 Z6 `0 _3 O
* R7 g4 m* D$ P9 J4 b p7 Nsetup-plot2" @) s, m" n) i5 I
% {0 ]! L! m) V3 W+ K! Xsetup-plot3
W8 B' a. B! W$ r# Zend
( D+ h; U: N9 p( ` j) {. z4 L; `, L9 X/ I8 N
;;run time procedures
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to go2 D. w( X- E o b
5 T! j0 A% R; q Y5 W1 r9 `0 f: {
ask turtles [do-business]
6 m+ U& h8 R. d2 kend
' m& w0 P( }2 e9 w
& s3 o4 L3 l; v5 eto do-business * G$ L( N( ?5 ~' o# y9 | o% g. l
2 o/ w) j1 O8 G! \, x4 n2 q4 a1 A2 }0 d. D. J6 H7 i- Z2 {7 Q( y1 b/ |
rt random 360, E9 X+ a& I1 |. X. }2 i7 a
( t2 y0 ^1 b2 _6 p U4 @fd 1
2 s4 R) t" y, S8 K+ Q' t w; j5 g" G
ifelse(other turtles-here != nobody)[4 I" K) |' l4 \- R, n% } ] S
, B" ~% f, M# R1 dset customer one-of other turtles-here
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;; set [customer] of customer myself2 T& b/ S! M1 P+ [
5 d5 K' B( | z) f4 [1 ~set [trade-record-one] of self item (([who] of customer) - 1)8 P# i* Z8 ?4 H7 f" e; h: G
[trade-record-all]of self
C/ k3 F! S5 H7 m. _8 h;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
e. a7 S4 b9 v: P+ q; Q, q2 x3 o. ?2 s
set [trade-record-one] of customer item (([who] of self) - 1)* F" r8 v: |+ ^1 r( o
[trade-record-all]of customer
3 y7 q: u0 C0 O0 L; l+ ]
2 [$ `; z( Z% T1 a8 H" R0 \% uset [trade-record-one-len] of self length [trade-record-one] of self
, W- O, [. k) |# R e' ^
/ H4 f) l0 o% O, L1 Zset trade-record-current( list (timer) (random money-upper-limit)): d V! |, V$ E& a/ r% i( h( l/ Z
4 [. o# M& ]8 ]! I- y% Q( s
ask self [do-trust]8 V; O* n8 z& a: T- K" R
;;先求i对j的信任度& n# n5 Z. Y1 _1 C# b4 W0 P* d
0 o. O3 T! T- m& Y! m W+ q
if ([trust-ok] of self)' [0 x/ D7 y" }
;;根据i对j的信任度来决定是否与j进行交易[
8 O0 _% l8 ^9 a& k! y9 R9 p8 X% Z( {ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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& M, | b3 [ Z) j9 d, }2 v3 `" G. R% G7 n[
( V; }$ s" w8 p/ n3 p
; B& D% H( T- M& i8 K, Sdo-trade
/ S6 r h. l* d2 a
, y) ^& Q8 p" C; w9 F. K9 rupdate-credibility-ijl
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$ @ A/ b6 g/ y; n2 R3 [( g* Rupdate-credibility-list
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% V- V, |7 G& G+ H4 E
+ t9 K5 }" ]; a& r9 {. ]9 a0 ` rupdate-global-reputation-list4 S( G* _' w5 }9 N; c# h- M% j- G
' u; x6 z8 o& t/ k$ J4 ^poll-class E* ?1 P0 ^( m1 [: w
" S5 ?' f: W! H6 L" A6 q
get-color
! T3 P) d7 d+ H1 n' P3 n3 B. R; L0 k0 N- S
]]# `# q/ {! v2 A. X, u, ^6 j
: S/ h$ L' ?7 L5 O. I" Q% w
;;如果所得的信任度满足条件,则进行交易( l X+ U9 P1 o9 x8 w! Y
% ]5 Q0 k- j; O" s; \! `
[
# X" x* i" Q0 s" t( O' u. v" ~1 t+ c" a& h& u3 w- g3 f
rt random 360; n. G& S$ k5 H/ o( |
6 x/ x6 c" [1 Q0 U7 h7 {% V0 ?& p
fd 1
4 P/ `6 a3 k5 x
9 _0 x- t" y# u& D0 h]5 n: n$ P4 J( |8 z* Z" S
. c" g" g# E8 G mend
( G3 T! q6 z1 \! m% `7 Q
' `! c/ i! l3 q1 E0 _0 Xto do-trust ( x3 W) F- k+ r1 T
set trust-ok False
, n2 L4 O5 v+ `8 h( F$ U
6 v( B7 T& W. l8 Z6 t5 I7 G$ N
+ _# x# M0 f4 ^+ f/ o, w; G& e- Llet max-trade-times 0
' V S* H, u. q) @& K5 h' lforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
$ t0 j7 `0 N" e, ~let max-trade-money 0
9 [- I! [2 g$ d' `4 f% V/ r0 D5 wforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) a" E1 t5 ^& S( c; Q2 D R. u
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
4 A* O" ^/ S$ N0 g8 z& i$ s+ G* M" D- ^! o
: `- }% L7 z/ J1 F; o6 D' Qget-global-proportion% b& e# T N. }+ _/ ]$ U
let trust-value1 Z8 d% A% [7 B: q" W! F( z1 y1 M
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)# d9 m. L+ c1 G& s$ P
if(trust-value > trade-trust-value)
& {1 b& L- C- ^" p; f6 _% h3 J[set trust-ok true]
' D, C0 b. X5 @. D5 L, a( i. d% R$ kend
7 \8 B+ t. l2 Q3 @; M- p0 j3 y6 n8 d; i# H5 [+ Z; {- c
to get-global-proportion
3 A1 ]# R( x* |7 f6 [2 K, ^; Hifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)1 C h$ s4 L% l
[set global-proportion 0]- t7 b' M. |3 k6 n6 W
[let i 0
* Y0 ^2 O. U% ?: G0 N* xlet sum-money 0
4 K4 u0 A2 f, X6 E5 X2 X9 e4 g4 v* Hwhile[ i < people]. a4 b: m9 y, T
[
( U% s+ b6 [) E. S! P; Mif( length (item i
) v, N( p3 }+ ?) G6 D[trade-record-all] of customer) > 3 )/ s+ f8 `% ~9 e2 u
[) M7 `# a8 b& ]+ ]3 P, \: Y# ?4 D
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
7 h" }) g, e/ _) Z5 [/ R& N: t" Z]
$ A& ?2 P6 [" j+ q]
0 Y; R9 C5 X6 O% M, K" llet j 0
3 p d: K( ~1 W# W9 ]/ y1 T- slet note 0+ f- k; c+ l! ?! S; ^/ |
while[ j < people]# g; A& Q& P) y, X/ H! f# r
[
7 p5 N% i' k, _* Y6 z* {, C/ ?+ @if( length (item i+ m; a- A1 ]8 T5 J9 S2 X+ s' M
[trade-record-all] of customer) > 3 )
( n; G3 h& I4 W F$ h[6 J9 |9 O6 Q) t( s
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
8 z- ~8 s$ `1 `[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]# f$ W$ n4 y- N" h% a
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
6 z0 @4 C: C+ \. a8 |* i6 y]
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set global-proportion note) a$ T* x3 I( g" Z! t+ W
]
1 d8 H2 |4 L4 H) y. A, \end s0 }9 ^, T5 r" w" Y/ A+ ]
, R9 d9 B: a6 F, p3 ^to do-trade D' Z1 Q! }0 W
;;这个过程实际上是给双方作出评价的过程
# W+ u$ j$ r. X' }$ _set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
; G/ O8 L1 C1 C+ c: b1 n( Sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
, f- Z% b# z: ~set trade-record-current lput(timer) trade-record-current; i+ G k" B7 h4 r0 Q- U
;;评价时间0 b: K) W2 y8 z3 X+ X7 ~ r5 J
ask myself [
. s0 I( n3 r7 b" R) G. [update-local-reputation
2 i8 R( ?3 Y; `2 R: Nset trade-record-current lput([local-reputation] of myself) trade-record-current
$ e& X# Z, ~( d8 ?]/ ?" J* G3 p! J& Z5 t Q5 N
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself' S7 k/ I; I/ A
;;将此次交易的记录加入到trade-record-one中
7 _% h; h. H0 p7 I* A2 n) H$ bset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
$ \# E- D7 O( b/ e# rlet note (item 2 trade-record-current )
0 X9 E/ F: `' l1 r0 b; nset trade-record-current
+ k5 m' Y. z" k. z(replace-item 2 trade-record-current (item 3 trade-record-current))
3 {' ?. N8 W B, N5 sset trade-record-current
6 p6 }3 ~4 v. S0 C* ?1 z$ S# b(replace-item 3 trade-record-current note)
; `3 E7 ]* w1 S, x; p$ H, P% x1 X5 y+ _7 s. a4 E. Y3 J
' R- Z( v2 r, n7 i
ask customer [
% V2 b* i. d6 t z% Hupdate-local-reputation4 }! t6 n5 P* k
set trade-record-current$ A8 q' y! ~) W [7 j
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) * q, g; U4 I9 g5 w; r
]
& C2 U% m; q5 I; {1 T. ]8 g v2 z4 U# r7 O
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer0 D! u5 L5 K! @. C$ A
7 \' @8 C$ H# g: _! ^0 ? J- Kset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))' j8 n& P) q3 W% v) |
;;将此次交易的记录加入到customer的trade-record-all中( i/ |4 x0 p3 |% A; ?
end) \+ g8 o2 L Z0 a% i
* T5 C( E; W, W
to update-local-reputation' C7 v9 n: s9 O5 Y1 {
set [trade-record-one-len] of myself length [trade-record-one] of myself& ?) e7 U8 x0 d E- N
! K- A# Q3 @* L2 X0 }: W
+ {& U& f' I0 k5 R! K;;if [trade-record-one-len] of myself > 3
o! X2 S3 |+ a* F% W5 {update-neighbor-total
- {' m4 d6 k- H% E# |;;更新邻居节点的数目,在此进行
. ]$ m) o v2 a4 _# |let i 3
3 C( g- Y4 Y" Q$ O+ N0 |let sum-time 0
5 }+ v0 ?+ Z" X3 M- n# Xwhile[i < [trade-record-one-len] of myself]
" U: R5 z: b: u, D6 n; h[
: ^: d1 M' z0 h3 K iset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
+ F' n& }! r4 C/ }3 b C0 [set i
m5 z/ m( Z) Q K3 ? _( i + 1)
) E1 l7 m5 z( A! z- i]) d: E, d" j! P! g! s
let j 3
$ B: [( U8 T* b' M; Zlet sum-money 0' S$ f1 s; ^) n2 }0 m
while[j < [trade-record-one-len] of myself]
4 O0 I9 J8 Q: z" _[
" m9 M( r8 w& }( }% jset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
* l3 U$ I7 Z. y$ ?2 Z' Q- w K3 fset j
( {( I% N1 @7 s& j/ Z( j + 1)% @- V( w" |* k' n$ b; M' L, x
]
, y3 @/ M! B; w! [& Wlet k 3
) j* z3 T1 [* Z! L& tlet power 0
; _8 j+ r; E. f8 r: f5 {let local 0& J" g& C6 n6 B! N+ `# e% W3 ]
while [k <[trade-record-one-len] of myself]
+ h. l) k8 U* w; I[3 j8 l X9 e& u) ]( ^
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)
" b# O$ G$ X5 F- Yset k (k + 1)
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set [local-reputation] of myself (local)
' z" u! _3 g$ A4 \1 @% R5 K- \end D2 a. E. {) E0 n. m, J
8 D s' I4 x3 D X& t
to update-neighbor-total! B; G* s0 S& }
, |' \) m. z$ ?- ?7 o8 V( ^' U' V
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]( G! I4 ]3 U8 ^2 R w
: t/ }6 s4 \7 M) k: |9 e- f
1 E# d# r6 K- ]# ^end3 c+ W3 w/ O6 `7 q* l2 q' C5 f
+ B( O% M+ a$ o# Y. Y; n
to update-credibility-ijl $ X0 u0 @+ u' s7 F2 Z# \
/ X9 C, o7 s5 e- m3 e8 J& ?+ u3 G: ~;;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。 H, H z$ m. w. _* C* b9 Q
let l 0
" q0 N) K; e" s; i7 ~ G& C2 F& {while[ l < people ]
; V3 m# [0 H0 S9 I' G9 Z;;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
# j. x7 V4 u4 ]% Y3 B[
, p7 k& s, S* Z# Q% Tlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)+ t3 a1 {1 J* S8 W
if (trade-record-one-j-l-len > 3)
4 a2 c! p% e$ n3 }0 l[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
# \0 h! d8 u. F$ { T: Jlet i 3) r% j& o9 P9 g0 D8 Y
let sum-time 0
: R6 E+ l( Z# D# j' |while[i < trade-record-one-len]
6 C3 k( H3 v8 n4 X+ A) W[
" C3 w) s: P0 T# R0 o* D6 bset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
9 _: x0 ~' T0 N4 b. Lset i
0 d% S! s5 C) o4 D3 q; A x1 K3 s( i + 1)" H1 ]9 H' [; t
]
$ Q- `' B; |% d: ?+ N- \let credibility-i-j-l 0
3 O/ { ~1 ?5 Y; q; i;;i评价(j对jl的评价)
! X+ X) X" H6 H9 F. clet j 3
0 M% t2 t: G( X$ i, f% Blet k 43 x2 ?% P9 ?) a8 o2 R5 R+ i& e
while[j < trade-record-one-len]
" [4 G6 [4 c& Q: r/ m[
& I% P7 `, M" ~2 W( `0 V: k' `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9 x+ z' R4 f4 v7 B
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)1 G1 F% N7 e0 @' n6 S7 N8 b
set j
, t1 S3 a' ], M4 d( j + 1)& m* a$ o- \# U: O0 ]$ B6 k; U
]
) Q0 h8 |1 `0 b! @4 A4 @) d, \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 N6 W! g$ [) t+ x( J, W' y
8 Z2 P: Z' _3 w# v
V$ E5 b/ J/ H0 U4 Clet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))2 R+ B" l7 V# b' x% h, x
;;及时更新i对l的评价质量的评价( x# D2 t& r5 A3 d' ~' n' m
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
& V5 U( X: u# i! n Bset l (l + 1) o; |) A* D" T( j
]) f6 X' ?' h. g. w( e+ H
end
5 g" G- E1 @1 n4 b( }
% s. _. M2 Z5 ^; D# [5 ?1 yto update-credibility-list
+ l. o: Z$ M _. X0 c. i4 zlet i 0: d/ {+ y2 J6 J% Y) L* d; @: E
while[i < people] a* v7 B: P: |5 O5 }" C6 m
[
b& {+ c( o. _let j 0* {5 N& u; h+ {" a" r# E; P- f
let note 0) m" [$ ?; g j, k
let k 0( S# e8 ]+ U9 x7 R6 F9 s
;;计作出过评价的邻居节点的数目' i8 \4 v! {4 G9 Z
while[j < people]
( g: P9 O" Z! o" ~$ y% e1 z[
/ |1 J1 h$ l- b2 G; x- [if (item j( [credibility] of turtle (i + 1)) != -1)3 D! H* |: ^/ x; y
;;判断是否给本turtle的评价质量做出过评价的节点
5 U6 W& W1 T# ~0 v[set note (note + item j ([credibility]of turtle (i + 1)))
9 L2 r% w0 W# e8 C/ i$ H0 m;;*(exp (-(people - 2)))/(people - 2))]7 H) i6 B' G4 K+ A# L. q, z+ _
set k (k + 1)
/ ]4 |% W8 K4 b) Q4 c6 M" c; }]9 A8 a3 d" @/ m0 m9 u3 W, e. c* N
set j (j + 1)) w& \/ @9 D p0 B& }. a& r* ^% g
]
! h( [" L' f$ v7 s* Z& ^set note (note *(exp (- (1 / k)))/ k)6 x) u; V: G/ ^2 e' |
set credibility-list (replace-item i credibility-list note)6 ]' y( c) P: ]
set i (i + 1)+ I) S, X7 _* u+ f, h1 Q
] K3 ^; u, ~0 A) t" Q
end9 q& D6 j% L. B: K4 r
+ a/ q" _: H3 L, c, y5 H! r h
to update-global-reputation-list
5 @1 M; O3 X% W. l5 _/ Z+ wlet j 0
) j& v1 i2 l2 D+ v: q; ]while[j < people]
, n2 X' d! D: j+ W/ v[. S& n" Y' [# f, ~3 T2 o/ t
let new 0, z4 a/ Y" W8 _; \4 Y n" ~1 ~) E
;;暂存新的一个全局声誉" W. Z: B/ \5 @5 A; Y! G' p
let i 0
3 ?, u* b6 X2 g2 q; I7 O4 flet sum-money 0
6 e) j0 J! S8 {6 zlet credibility-money 0$ T4 O; O! D& C# u- w' W6 T
while [i < people]
+ h0 w* O" S @. K6 V8 u$ k) o/ g[
b" v- v9 u5 f6 zset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
/ F# {9 ~; |. ]$ rset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
8 X4 V) @' }, @set i (i + 1)4 A+ G: Z7 Y# L
]
& H' d! y9 ?' B0 z2 `' r& qlet k 0( s' q, v3 ?+ G0 l. M* s
let new1 0, D/ |2 J& J& N7 \
while [k < people]
$ Q& E2 r7 a0 p2 g' l[
+ ^2 s f8 Y: u9 I. `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)
: W/ S, h' {" b6 S" t" Iset k (k + 1)
9 \$ Q$ f9 s$ l6 P* L- p]
& e& ^: U, s. e! g/ uset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 2 S) g: F; }. |4 W$ u ]
set global-reputation-list (replace-item j global-reputation-list new)
* Y8 l$ E9 h+ k' r! }( Hset j (j + 1)
6 \; s. C. J. U]: s. r+ z% y- y$ l2 M& O
end& k6 J: j3 h9 n
+ ]+ Z5 q- w Q. T8 P5 B: A& b- p2 P: q, d: v! m& L# z f, r. ~
! I9 K! C# T1 a/ ?% j. w! d! a
to get-color7 K1 ]) h! z0 u5 i1 S+ M& E4 _
) {2 b& J' |' {3 }0 w
set color blue4 E& O' m8 x* [* n& v& O
end* B B; T X z, q5 K/ V
z4 |3 V" Y* t$ z) I7 c! z, r
to poll-class3 |6 C* {% D% @9 D# Z- f) c0 v
end
1 u2 R( I0 {# x5 B1 @- [
* y9 H1 j/ w6 \8 }" _. S* b8 a# ]5 Ito setup-plot1, l" Q( Q# W( w* _) A: c# w9 E
: R$ \4 {0 D ^& D( d5 M
set-current-plot "Trends-of-Local-reputation"* {# F' V* ?" X9 k: K0 g# T5 s
5 i: H0 z5 J& V5 ?! A N
set-plot-x-range 0 xmax
# v# ]4 N8 z% U4 _& O% t- `" N7 a* B) p# c( H. C* z3 I% S
set-plot-y-range 0.0 ymax
: S4 v# T) d2 n/ Z/ Q$ Eend% @ e0 r `4 n& g+ f/ m
* U6 w& I2 ~3 ^9 M; H* P. m: _to setup-plot2% t% f4 Z9 G# m8 Z W
) i6 v: l6 a0 q/ m* n# ~
set-current-plot "Trends-of-global-reputation"
4 v0 _! J9 O7 N) _# R5 z4 p3 k# a. F9 o! A$ A" i' _; _' m6 z/ Q
set-plot-x-range 0 xmax
, `4 ?/ \, ]& @: _4 U7 \8 q. W8 n$ b/ [, X# y! G8 Z$ o" c
set-plot-y-range 0.0 ymax
* j* ^) q; B `# s3 X" M8 ~end6 W @6 ^+ z7 N& n, q K
- j! n: ~" P9 O8 a& r7 T
to setup-plot30 D( a' g# P t* k+ k( }( q1 X
( p2 t! G* Q0 `5 K! `' w. X8 |set-current-plot "Trends-of-credibility"2 e6 B+ P* K8 c* A
' m- \2 ^: ]$ \1 B$ v
set-plot-x-range 0 xmax9 t, L. Q0 y, p, `3 O' J
' i! }# j% w5 f- nset-plot-y-range 0.0 ymax) ?3 C& w& i8 k- I! h/ m$ X
end
: j9 {8 f( S9 Y, K/ `6 g6 d2 n; S/ x
to do-plots0 e& X- v% `9 A
set-current-plot "Trends-of-Local-reputation"9 D9 z0 E8 M) w" ~" k
set-current-plot-pen "Honest service"" u' {' z1 F% T( l3 r; C7 x- T
end
7 [6 F# a$ p! W
( K! h. A, e; |[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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