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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
& i2 \4 V# D9 y% h, q; Dglobals[
: B7 A- I, |! G9 Vxmax/ v: A+ o1 q/ d8 ?3 v
ymax* `. v* I! l# n# {
global-reputation-list
( A% B" A: K* b
. _0 F3 ^) P# f0 u! \;;每一个turtle的全局声誉都存在此LIST中
/ @$ k, Q# e& o3 W' f$ X5 ~8 V) ~credibility-list
. F* I; W; |4 ~% n" f3 E;;每一个turtle的评价可信度
! o. N( }9 h2 Dhonest-service
4 z9 Y! E0 i7 v% a4 r) `unhonest-service" P! q1 l8 ?+ ~5 e" @/ Z
oscillation3 s/ P4 ]* Q- k5 h
rand-dynamic
* d$ ~+ P# _; J8 |]
0 V% r2 ]# ?9 `4 U: E, M& s4 v
8 C+ ^1 P! S2 l! r; Hturtles-own[3 S; y+ [. H: S; d! `
trade-record-all
! d. N8 ]& Q; R5 i, }- u;;a list of lists,由trade-record-one组成
8 V) E5 p% {# Y: {" t$ W' p; ^trade-record-one
: a1 L/ U+ f0 h2 T" d7 ~;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录4 a5 d: Z" s% S) K& _( J+ D
( z5 b( A( ~. d: a
;;[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]]+ d& s+ P: \/ ~( {9 T* s1 N
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]9 N2 t6 ^( z, V, C w3 R1 I/ Z9 b/ R
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/ t9 K2 |" `4 p' }* f
neighbor-total J7 C9 [4 _! ?% h( M4 s0 s0 l
;;记录该turtle的邻居节点的数目
7 N% [3 L8 k8 a z4 A. [& D" `trade-time
, N# ?9 R' u. ~/ V% l8 c" Z;;当前发生交易的turtle的交易时间1 M9 Y& r9 n/ x
appraise-give }7 c0 m3 j8 w3 c( w
;;当前发生交易时给出的评价
8 v% Q: h; D& m5 G6 K* q% P5 F: jappraise-receive/ a3 u; g* R* W$ c. B9 P( F, e
;;当前发生交易时收到的评价
2 G E7 f0 v3 }+ s# Z- mappraise-time
3 k7 _( } g6 W/ I& B/ ?;;当前发生交易时的评价时间
7 d3 Q0 `0 L/ q( P0 llocal-reputation-now;;此次交易后相对于对方turtle的局部声誉 o3 E, h9 T- H. u9 |/ _' K) ?
trade-times-total
" E5 ?, e2 p: Q" ^;;与当前turtle的交易总次数( [! {& Y4 v( j" n( o+ d; w5 S
trade-money-total
$ N& T# x* w! z6 d! f( W;;与当前turtle的交易总金额3 | q. v7 @% K. e
local-reputation
& d* }* f) a& L& \8 f4 Zglobal-reputation
" j ?4 S- i' K; `$ F2 [credibility( N7 A0 j5 `* @! I3 O N2 I: A
;;评价可信度,每次交易后都需要更新
- v- {0 m0 X, s/ Q2 t( D2 Q1 K* scredibility-all7 [( ^4 P/ c0 ~' Z9 s1 B, t" Y* M
;;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
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;;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
8 k7 R4 B# R1 L- [* K) I1 Fcredibility-one f+ Z' h8 @8 m) 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6 Z+ M5 X& Y$ b& v Q% g& L8 q# f7 _# R
global-proportion
! O& x5 T1 F2 G4 ~: @8 A& d ocustomer
2 `* R, D# a% _7 acustomer-no
- S. \* P* B" T% K- w- u0 {trust-ok$ a4 g" k8 u& \' x S2 i
trade-record-one-len;;trade-record-one的长度( h' n5 w1 V0 z9 D0 S& c) r, k
]
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- ^) @3 q% E" S" _- e+ S- T3 m;;setup procedure
) b3 u5 E: T6 _- _
/ j. H1 m: D( b1 `5 U- |/ ~- Ito setup' a6 R {2 @$ ]6 |5 G M
" n8 ]# X1 P, K; |' ?/ P
ca
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initialize-settings2 U$ d5 P; ]. t8 `
( {, S3 ^2 U6 e" W2 ycrt people [setup-turtles]. h. i4 i3 X2 d& x0 {
; x& \# h, B" \7 hreset-timer8 Q8 h- [; l$ X; ]0 K
8 G% Q8 J7 g) P: B7 M- A% i
poll-class
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setup-plots
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$ a1 s3 p1 x; a5 m& Wdo-plots
& d4 q" b9 e6 M: |end7 P! l1 L+ |! n3 W
5 i5 {4 p/ P. i' F3 dto initialize-settings
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set global-reputation-list [] u( G3 r% `1 ~
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set credibility-list n-values people [0.5]
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set honest-service 03 W [& R/ B v; Z
' d6 v D( d4 y0 v; Dset unhonest-service 0
+ l: N6 B* u" l I9 W8 p
. u+ b0 m/ h! f/ [/ f1 v7 J3 F* L5 Aset oscillation 0& L0 p, x" K5 j {8 ^$ f1 r5 u
; x& d/ A }5 g+ _- p: p7 gset rand-dynamic 0- M5 T% b: f. C2 I7 W
end
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& E/ A8 P& d5 o# y) Pto setup-turtles ; I% f6 e( C* n& k6 d# F
set shape "person"
* R* g# O @9 Q6 N( hsetxy random-xcor random-ycor5 Y. J, W5 X* O
set trade-record-one []
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u5 @; x5 m3 I8 U) Y7 b- E2 bset trade-record-all n-values people [(list (? + 1) 0 0)] * a3 M; G/ L% g/ m" N1 H" s' d' g: h0 i- L
) f5 h8 S7 }5 E
set trade-record-current []
6 @9 i+ X/ g5 _set credibility-receive []9 F: O. h8 B& q" E( s$ Z+ x
set local-reputation 0.5" X5 L4 O! T; D: m0 Q$ e. ~
set neighbor-total 0
$ w- ]5 A+ j2 B8 ^$ l4 c* K$ tset trade-times-total 0
2 m9 h" ?, e: Sset trade-money-total 0
0 H/ ^/ v9 \" m/ _set customer nobody
+ v8 u! |, G" U( F+ U5 H- Nset credibility-all n-values people [creat-credibility]
& Q" m- y9 ~2 g' R* A7 W$ aset credibility n-values people [-1]
F* D! z' ?' {* R; W2 ^+ Mget-color/ X! p& _0 z; b
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end* `: }, y5 C& l9 a3 b. t
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to-report creat-credibility! A! o- A8 P8 z( A- @& {0 l
report n-values people [0.5]7 [8 n6 [& Y: b [
end
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# P4 G+ _, |/ q' R, ^) |* Dto setup-plots
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set xmax 30
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l: U. `. b% v% R G" _set ymax 1.0
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clear-all-plots
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setup-plot1
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setup-plot2
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setup-plot3- y: c" G" _6 P G/ |+ _
end
4 A9 N% @& [$ c3 E0 Q: F. z8 A- i7 H1 z" p, e
;;run time procedures) A4 W3 ^ v$ `
3 A2 L4 A/ o% f" W/ v0 sto go
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ask turtles [do-business]- P% v6 Z; ]! p: d; K- [
end* m! ]: z# C8 x- k1 s1 Z
+ h$ F8 N/ _4 Q# y. k: j, M
to do-business 5 t( j* r( ~3 t( k
/ g; n6 G8 R; }
. \: J* ^# V1 j2 r) S6 |rt random 360" w/ f) ?5 W& L9 g% V- ^. E
1 X' e- J8 ^9 k+ `6 ]
fd 1
# P7 O* Y P" u; D% }4 `. x* s1 t7 K0 V
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here: b7 {2 Z' ~, W) H7 |; g# a
) ]9 d5 j( |& Z7 ~;; set [customer] of customer myself
* \ Z4 Q% I$ K$ |4 `5 o9 ~4 [
8 H O, ?% Z0 ~ y z& y# uset [trade-record-one] of self item (([who] of customer) - 1)
! V. ?0 J7 u& k* b7 X0 x/ _' y" Q[trade-record-all]of self6 h8 X) v6 l7 _ g3 ^& {$ d. X" N; T
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
# P6 |% n! w: W! O# b% Q
: `, t; h* d5 J1 b: C6 Eset [trade-record-one] of customer item (([who] of self) - 1), p8 P$ [" C) _- U& M+ _
[trade-record-all]of customer5 n0 W$ m( g9 {" l, ?7 l
. F# _1 F; W5 dset [trade-record-one-len] of self length [trade-record-one] of self* [) u* w5 B0 q7 K5 P: }9 F
N$ [+ y7 Q) M' b; K9 b$ n8 \5 `$ ?* tset trade-record-current( list (timer) (random money-upper-limit))7 E, t6 ?( Z$ ~: c
# h9 z# Z2 R0 g0 t' d# ]6 O# nask self [do-trust]
* D4 ~% g; m: F( @0 F2 d8 C;;先求i对j的信任度
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if ([trust-ok] of self)1 L4 I. J" b7 H% Y/ M% w9 s8 d( F
;;根据i对j的信任度来决定是否与j进行交易[, l: L( N( w+ D. F |* T% u
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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* O% i0 Z n; x+ V7 y7 f[* O3 K: X' I4 x( O* ^: \: a* [" z1 F
4 W- l$ y' t ?9 N4 J- ydo-trade
~+ r- f4 B; J, ?" p. v% h, _: [+ s0 ~! _: G1 g$ p0 q% u, V) n+ k6 n& `
update-credibility-ijl
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update-credibility-list" F; z" X2 D b
$ q# o% j2 ^7 [. N
* V i( F+ P- W- E" p6 Uupdate-global-reputation-list
6 C2 C5 P4 {. C. E9 {
0 X3 E9 A9 ~- Spoll-class
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# _+ B+ Y+ g' p: Oget-color I7 e* L- n( p% T
; ~ J; Z- {5 Z& O. Y+ c
]]
* x; F+ G, C. ]1 w% h) N! g' K* M9 J5 i$ t# J) w: g3 v- t! e
;;如果所得的信任度满足条件,则进行交易
. {* l1 @- U# B% Q- X/ G' r h3 ]+ Q2 g! d# b e9 c
[: V4 Z- h: v1 O' s# B$ w, ^1 T% | |
9 t$ ?6 p6 c! r1 o4 w6 Brt random 360
& M+ d! I- D2 ^/ ^" r
9 Y( z/ [& j* H0 Zfd 1, H0 Q& L0 x% {% `) { A
! x& N l. I) @4 L9 k3 M! D' D. T]7 W( k- t! ~2 Z* z* o d
. S/ w1 A/ E; w5 \end4 n9 d6 n" k% O6 P, D
) j' I$ P! P% a3 w
to do-trust
5 C3 I! t3 K: s. kset trust-ok False
: R6 |4 R {% h* R
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7 g* ]. p" j7 a0 b) _6 ylet max-trade-times 0
% \: D# O/ O7 \( A9 i; @: nforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]* Z+ {" H& m0 @) p" V
let max-trade-money 0
0 |% d+ G) ^2 ^# i1 Mforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]* u* k" h% Y6 H4 f2 b
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))0 J! x$ \: }9 L7 j$ B8 |) ?- B/ n
, a" G! r! ^6 J$ N) n$ y" @ N" A7 y1 {$ s, d% E# T; K3 a' I% _
get-global-proportion8 z4 O2 r7 h1 q1 j. J
let trust-value; Q7 y% T6 }9 m+ n
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)
$ i6 b. P8 }) r- ?( D7 f7 pif(trust-value > trade-trust-value)/ M" D6 b& ?! K& o: n/ O; I/ |. U
[set trust-ok true]
q% ~4 O/ O2 V- M0 Kend- ?# Z$ U. b2 x+ x: H+ k9 v+ \
. ^% p. C# _3 F3 d" F
to get-global-proportion
1 ~* D1 i) j3 R; s0 g/ Y( Y! D4 i8 hifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
/ S1 @% g9 l' m4 B5 x[set global-proportion 0]
" Y" Q, k9 j0 E1 B- G[let i 0
- m \& h* a( m' F* _8 blet sum-money 0
2 J; q% Z( ?/ P8 dwhile[ i < people]
# O$ U+ W+ i+ _% P$ a[$ l$ o8 ^/ v |* S0 ~2 B4 ]
if( length (item i
" m! R9 u9 I# y; v0 T[trade-record-all] of customer) > 3 )9 b7 N- j4 y/ G; d/ U
[
) ?. T# \0 g G& s8 rset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
4 _1 p6 Y7 d3 d0 ^]
! I: p+ T( y5 k7 X, @]
* y, S- @+ z" | Y; zlet j 0
+ o8 I. t/ W8 D/ e7 L# k/ z+ W- C- Klet note 0+ j- K# k+ M0 C& R7 H6 z
while[ j < people]
2 U- F8 ]/ Q4 L7 u[) R8 J9 n4 O3 g( ~5 q2 P0 ^
if( length (item i& D, P) `) ]( x2 o( t6 C4 S
[trade-record-all] of customer) > 3 )& M+ I0 K. O/ h0 u7 P" z( u
[5 K6 p8 X1 p w) j- m
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
5 j" b2 w+ C7 i/ s7 m[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
. z: v/ j t5 a) j+ m[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
, q2 r: s, Q) d/ o; N; S; g3 B% e]
1 t* C( n7 o; s1 k& O7 ?]
/ R- m8 z V% I4 ]; ^set global-proportion note
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, J, ?( f& y# _+ T5 B0 c( @$ Hend5 j+ E; w v) l0 Y( V) P" r; q
2 E4 y, p# W) x4 Nto do-trade5 n. d9 C( s, v* s1 P
;;这个过程实际上是给双方作出评价的过程
$ ^0 E* f9 w- w9 h/ d, H# uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价7 d3 z$ S( d& d+ ?) `: m
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
: ?2 W" I" O: n0 Zset trade-record-current lput(timer) trade-record-current
5 b- U# Q$ J$ w$ o3 e;;评价时间
2 T6 j0 E8 q4 y4 [ {0 f Oask myself [
# ^9 s3 u9 [" ?+ ^+ S/ jupdate-local-reputation
7 p. y" {4 b# m; }( V/ s1 D% cset trade-record-current lput([local-reputation] of myself) trade-record-current
2 f7 W$ t& B# @]
# j# G* \6 f C4 w. h" [set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself+ J4 E5 r3 Z$ M' d8 P4 y
;;将此次交易的记录加入到trade-record-one中
( U+ O( g) y0 {/ g9 Vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)6 M. B# q! L3 z& g( |: O" w
let note (item 2 trade-record-current )0 d! x# {! S$ X4 m% z& d! p
set trade-record-current
4 o( {% e8 s, B4 A(replace-item 2 trade-record-current (item 3 trade-record-current))9 \( r* o& }# f9 D- G! a
set trade-record-current [6 K& U/ f9 L0 L {
(replace-item 3 trade-record-current note)
: `3 a9 I4 r3 ~3 Z4 q/ ]! d! f6 g6 [7 E3 Y6 Y7 l2 H
$ |, U% u5 a- P6 [6 l2 Mask customer [4 [/ q" a: v0 }% a4 G
update-local-reputation
: t, ?+ ]$ k7 s6 Oset trade-record-current
$ \4 y& K, v9 W6 a$ t9 F. G(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - n. V' V4 w. d O* H# y
]9 F* O8 O$ K) T% V6 M0 P# l# Y
# A" }4 q3 v; w2 B7 X4 h
3 y- S4 M+ r' X5 I+ Q* c. @% j% Fset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer- ^" ~; a% b9 b# X% |) g( V2 |
5 a; a q. M0 |- \set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
/ m* \3 \+ U" Z0 _( g0 V4 g& i;;将此次交易的记录加入到customer的trade-record-all中
+ v3 n8 p0 h. U6 I* Z) p9 Aend
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to update-local-reputation
, d8 }8 [2 Z pset [trade-record-one-len] of myself length [trade-record-one] of myself( F9 ]! m. q& _4 C4 _: f* Q2 r/ T
9 A4 M' R5 ~5 r) V$ @
& E; z; J# m' w! l2 d
;;if [trade-record-one-len] of myself > 3
1 Y6 k" a2 }' H1 Jupdate-neighbor-total
# }' m- u, h; l& V7 r;;更新邻居节点的数目,在此进行4 W* q- Q* c! F" Q9 N4 w. _, ^
let i 3
( t( Z s x! t4 T# A$ P; q0 Ulet sum-time 0
+ g6 r/ X9 w1 z' g/ ?while[i < [trade-record-one-len] of myself]5 ?& O2 O. n. q% z8 h3 R$ M
[
; d, j$ u" Y' }2 |set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). W) L$ i$ R+ |- R1 ]- U4 W; W5 E E
set i5 d7 M) H% h3 O7 E4 C5 W: K/ |
( i + 1)2 T8 _# D- V4 o+ C! V
]: ^, `. S5 u! o6 U- q3 A$ B
let j 3" C8 J5 Z0 ?4 C' T- R2 m: p
let sum-money 0
0 R' k( c. m2 f3 Hwhile[j < [trade-record-one-len] of myself]4 X; }1 V: ?3 p/ P% W
[
; o6 g1 x. s) ~- K- Zset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
' R$ U5 Z" V n5 A; S; _set j
5 R# D {: k* V5 x. L4 I! |$ g( j + 1)
' o8 c# K G- F) s]
# r( [3 d3 M/ _4 x4 [. Llet k 3: b1 q4 m2 Z; t- [) p! f8 ?" h
let power 0
9 v+ v% O9 a7 ?6 e( k, klet local 0
+ m+ u: r1 ^& A zwhile [k <[trade-record-one-len] of myself]
) }2 ]8 T J( k/ R. m6 H[
2 C' W. X* ?& O, A8 r( @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)
: s/ l* K, e7 i* }; @. Z; R- Vset k (k + 1)
- D) p- l3 g0 @]8 {6 g* L3 |$ J m+ p
set [local-reputation] of myself (local)
, W" M) e" Q3 _: v! T& J2 X8 A. {end
8 G) o3 u( H L- n/ r/ u
& \) }8 O5 b2 M* N: ^to update-neighbor-total- I: J0 Y- h/ F( E
" Y/ n) `2 [& p4 u0 {6 }if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
' _6 `5 t3 U( Q) P. n {; L* N( d
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end) s6 Z6 C/ Z/ f1 E
* a' m* R9 d9 W1 u* K9 _to update-credibility-ijl
4 `; q; r% ]# n) p: E' T$ y
i' Z" ~# U. |3 U( ~' O$ 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。
/ x! B3 y' T4 {% w0 elet l 09 \8 U! A8 d9 O! S. \+ G; Z$ H! X
while[ l < people ]( v0 _) C( j9 V' @
;;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
) A/ e; }2 Y! z- n( n; _[
0 {9 r; |) Z z2 I! h; nlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 }$ r& ~# J+ h4 R( b! x
if (trade-record-one-j-l-len > 3)
# P1 z$ ~9 C" K- F/ Z[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
5 b5 c2 @1 b H* k; f* Y1 Ilet i 3
/ o& e5 S+ Y. M: }let sum-time 0
. o# R( I4 P& P5 F$ ?# Fwhile[i < trade-record-one-len]$ e4 s+ q5 H, E, h
[. r u) A6 [. `' y& S$ l8 H' @
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
3 u" _4 Q7 j) y# Pset i" P, y, J8 X1 k N
( i + 1)
/ s. G6 R" u' v( r, p]
6 t" O2 n& H3 d. Q3 V& }* z9 Xlet credibility-i-j-l 0) V. d/ i! P) C! v% u
;;i评价(j对jl的评价)
; [- ?7 s( W1 a; ^. A! Jlet j 3
/ o+ ]& n: R) ~let k 4
' _ c; A- G9 o9 i4 w# n+ ~9 mwhile[j < trade-record-one-len]
8 _) ]. a9 G- f: n. L2 Y+ @[+ _6 s# \4 @( }; V# b; j9 v
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% ^( J% B- i e
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) v A0 h% I8 s- P
set j
6 M2 U5 z7 V& }! o! j: z: [8 m( j + 1)
8 s5 n, Z0 I6 W]
! c0 R8 C- m- f4 Z9 oset [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 ))
; U P- p4 y ^$ K
: M/ O( ]5 [/ h) O6 p; |, l7 s& r6 x9 e1 C# v0 C
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
7 g5 z+ }1 g7 n* `;;及时更新i对l的评价质量的评价$ l" w# P% P$ C" K
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ ]+ [2 B2 o& A# Y8 m# X5 c. E
set l (l + 1)
5 q; e! @5 `+ E- _- ?0 L+ C]: }1 Y( s8 K' g
end
9 a9 G. \4 Z! I, z* |! W- w, J
to update-credibility-list S+ k* W( j) x- |6 \+ E
let i 0. P( M* {4 y8 X) p# K! z: x% d- J" z
while[i < people]
/ V6 e; B9 \& Q8 e- T[0 v, _3 d# G% k& D. |, Y
let j 0
3 \: f, `2 `+ R1 Dlet note 0
0 D4 J1 ?6 M* v0 Z: q4 Blet k 0
/ I7 x4 J2 e2 t, P;;计作出过评价的邻居节点的数目; b1 K" E9 j8 f: A+ S2 _
while[j < people]* j! }. t3 Q9 i# @0 ^
[
% _+ M. V2 s; x. t. {; ^, Gif (item j( [credibility] of turtle (i + 1)) != -1), j8 C9 @" ]1 i) m
;;判断是否给本turtle的评价质量做出过评价的节点* r! O2 V# f. L5 _- X5 ?2 k
[set note (note + item j ([credibility]of turtle (i + 1)))
; T# K# z. C+ G2 r;;*(exp (-(people - 2)))/(people - 2))]" k: }" t( ^7 V$ F& {0 r
set k (k + 1)
+ u5 k% ~: A/ b8 V/ x- E]: P2 M9 e+ a- R( {* `) m/ i/ e
set j (j + 1)4 c6 D+ a. p% o2 H1 Q$ J
]
+ |' T2 D Y( ]* G- y. J0 |0 Qset note (note *(exp (- (1 / k)))/ k)) b9 D r- f& F
set credibility-list (replace-item i credibility-list note)
- l8 u9 m: N' Q4 fset i (i + 1)
8 s4 H. a- w a4 ?# Z! R# b/ V]
4 N3 X4 s5 l3 H8 I1 E) uend, B/ R" i! H4 o1 p
5 N: A5 u3 R. H# K
to update-global-reputation-list/ I' f& o8 X8 G+ L3 o+ ^/ g. P
let j 01 {' v' k+ v& d. Z6 k7 l/ T# x! ^
while[j < people]
, ^7 l9 H3 z; y! B8 g[: Q' @0 k2 }4 V' r
let new 06 F; p. p& l% E/ r4 b- R
;;暂存新的一个全局声誉2 C6 }% J! S6 D/ k1 P
let i 0) u* c, A1 y5 i5 B4 Y# _- d t
let sum-money 0
5 Z9 b, `1 q, F- c6 Wlet credibility-money 0
6 U+ A$ H* c3 Z G. _while [i < people]6 _. |. @0 ?( M
[
/ _) D3 B$ v' C0 ?: M) K! I. V& U/ \set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))): `- o2 y: G) o8 v. E+ P
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 [& Z2 N2 s) O6 m9 b' f) d
set i (i + 1)' o" y' N% b! j g
]9 k' X! V5 N& \2 d* a+ A
let k 0 j8 p0 A) C, o7 E" ~+ ]; a& }! H( J
let new1 02 W6 G& I& Z% p, F( m4 ?3 `
while [k < people]
; g3 n; J4 N: ?4 O/ h- K[
. U6 j4 L' G$ T3 G; Pset 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) q* O( w j* d/ C
set k (k + 1), {4 V4 X- V: r7 H
]
; V9 |, L) v% Qset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
* h, d, j( Y) b0 ]6 z0 I- lset global-reputation-list (replace-item j global-reputation-list new)
" c% t7 r$ ?* p, eset j (j + 1)
! h5 S# \# W8 j! [. y]
( `. L% q3 ]: s3 H$ Qend
* ?+ v$ R# e- l- w0 m( ?/ W, A. l' \1 O n( `. L5 e
7 ~5 Y8 F: ?" F6 n1 I' y# y
1 q9 A7 L* E7 k" t% ^to get-color& r. m! \1 s7 ~ L" U* |
4 ?3 s* c6 A4 X( c. j2 _set color blue
1 ~5 Z( Y" x! N! Bend
( z) C4 |4 ]$ X! }0 v& W
6 l5 P, E- [9 d' G* b0 Nto poll-class8 `2 Z( i$ {/ P# H$ N: a! g
end0 a$ j0 {9 @. u3 I1 z
8 J- g4 R( Y& g+ R" bto setup-plot1
) g/ U. E; U5 p" E8 |9 _4 P( y" m4 a Z9 h; ^
set-current-plot "Trends-of-Local-reputation"
6 B) ^6 \* J. J9 r1 q
+ _+ r. `7 L* E- A" ?$ ^2 Yset-plot-x-range 0 xmax
9 A6 G- @4 F* g2 i4 ?) `
$ J2 q; ?9 D. x" a9 ?% i, t$ e: cset-plot-y-range 0.0 ymax, t d' x/ n& O
end
$ e5 T( R% s* {( S4 y) s9 B4 y+ R# k8 ~$ U- Z: D- D
to setup-plot24 f# L' X' Z! M. _
; m% V9 s8 b+ E6 Y0 G' E& Aset-current-plot "Trends-of-global-reputation". A6 k) q# q( s4 x
) u+ R; c, h6 D; zset-plot-x-range 0 xmax
; Q" }+ G6 N9 b$ V" ?( ~0 @* _6 i, \' k
set-plot-y-range 0.0 ymax
, h' `9 w7 K/ W! J. }/ Uend A+ h/ g/ m9 A! a5 A9 c
2 c9 Z+ _; h! u9 D0 B- B$ a9 Z# wto setup-plot3$ Y1 h) u( f1 N6 e! S
( H4 r5 a" g5 T4 j& G" C
set-current-plot "Trends-of-credibility"/ |: Q$ Q5 D G
' q! D5 o# ?6 t1 h4 _2 Gset-plot-x-range 0 xmax* T2 y& i/ p) S& o2 K8 N
! ^/ x- V$ x* Y* H0 S
set-plot-y-range 0.0 ymax2 w6 i$ a' I: m; ~! o4 [
end8 o% N9 {2 [: l# W7 u1 Q$ `
, G6 l7 X. m& V _
to do-plots7 H9 ]+ M6 `, U6 i6 A
set-current-plot "Trends-of-Local-reputation", {" q' Y/ t0 V/ B0 @
set-current-plot-pen "Honest service"
# ^+ o/ y, {8 }) v. B1 p0 K& Zend
" @. m) W% y( A. ^# J' Z5 I
' r9 q- b* W2 K1 T# B[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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