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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
, J* @3 h0 m5 i' z; vglobals[
5 f( C5 l8 x# ~$ ixmax7 E$ q, ]' p1 o; c
ymax: M* F d# q6 Y2 i/ B) P
global-reputation-list/ {9 L% N+ e9 G* u* V5 T$ h
. \* m1 `% R+ z' Y
;;每一个turtle的全局声誉都存在此LIST中- C1 v$ z- F6 b! m
credibility-list9 ~" x; |8 |5 y# W& ^' g
;;每一个turtle的评价可信度
7 s" j9 }* c7 S/ hhonest-service& |9 K! f) A5 R' y& B
unhonest-service# P* q Q& _, R6 m; \& x
oscillation/ [# B% t% O9 v7 g
rand-dynamic
8 i" y- [% k: o]
- A' S& e; V9 D( O2 m9 A0 U6 [7 y9 Y2 p) x
turtles-own[+ n4 A! g$ W% M8 ?- D
trade-record-all/ w2 [/ s. H, i7 u
;;a list of lists,由trade-record-one组成0 z! G) u# A( Q$ V- ?* N8 ]
trade-record-one
4 i/ s4 [! o' P8 {1 f;;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 ~& a- c" _/ a1 }% ?8 n( |3 O6 d$ D$ O
;;[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]]
! q5 `6 |% F# w6 e; q# atrade-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]* l9 y# G: K+ ]4 a j
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! s' w( _+ A/ V: {" Z Q
neighbor-total) w* x# X; V' p: H/ F" u @
;;记录该turtle的邻居节点的数目! {1 q3 e6 q+ R& P, a
trade-time" m2 c4 R+ \# y4 G! ~
;;当前发生交易的turtle的交易时间
; }& D7 h: P0 P- _) Z) ~: B* Oappraise-give! o- d4 f, `+ d( k- S/ q s
;;当前发生交易时给出的评价
* K- Y! g( F7 \3 q- A7 Q- fappraise-receive
" E, m* d# U" j& R4 Y, g% M2 [9 t;;当前发生交易时收到的评价- w2 M7 n; ~: d7 X. E: |
appraise-time
X _2 ^$ N9 H% ^+ T;;当前发生交易时的评价时间! H" J7 }& }! p S& h- T* E
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
9 c! P( s; N) L6 x2 \trade-times-total: R- q8 ^9 _' D8 L
;;与当前turtle的交易总次数- I; M8 j1 x( F+ Y+ X
trade-money-total y* W. R" y% z y7 G( k; r. R
;;与当前turtle的交易总金额
7 Y3 l! x9 i/ c3 E# |1 Dlocal-reputation
1 i/ i' w( E4 O; L* l. N* C1 R# h# Kglobal-reputation8 \( r( a0 v) |+ A B: ]8 W) R
credibility
* \2 I V. a. E+ g) u' \5 l;;评价可信度,每次交易后都需要更新
: l T/ J6 P2 ucredibility-all
$ @0 P/ B' T3 w;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据( \* `2 Z6 g& T4 A
( L6 A# j: ~$ V
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5! q( D% J9 s1 p* }
credibility-one* R D7 `" v7 ?/ u
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
/ B& B7 A0 [" Z2 N. N0 Nglobal-proportion) H* C0 i2 j9 y8 l0 f# `" f
customer
\# h2 \' Y/ u! W0 i/ t5 p rcustomer-no
7 q4 @: B {1 [3 H, x( |trust-ok+ I8 K+ w. Q+ g' H
trade-record-one-len;;trade-record-one的长度
6 X5 i7 D( F0 o% f3 {1 v d]* F& h* C8 [+ b$ {4 O7 r
. T, [& O; `5 T a5 z8 o;;setup procedure
* h. O/ C. m# n( j. N5 R+ a# D9 q3 l+ N7 S; i4 q
to setup
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6 v" r K# @( a0 K0 n! r/ ^- @ca
) c. s: _! E" b
/ F1 K; p' f& u, ~' ninitialize-settings
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R( \- K; ] } p# [crt people [setup-turtles]9 m }! T! V6 \
. y7 E! g4 b& M/ Nreset-timer5 M y, q! b x% I0 v
9 q, R$ l2 q W/ P
poll-class9 A* [9 |" S' r6 v' L4 S8 M" c
1 D# x9 J, \2 } Y
setup-plots2 \) _. H. u1 T- V* }, M, M/ z
$ k+ k& `( u# H% j! _8 ^do-plots
5 ~: @! c& b: V5 Y7 H+ L3 vend
! P, r8 V& G" ]% F
' `9 n& x( V( m# B% c Dto initialize-settings
0 \# f# M7 S* u% g( c; z! T4 [" _/ l1 \- O) k- E
set global-reputation-list []
4 N) k! d" ] y. @( S7 T
( z6 d% d3 h$ P2 I& K$ V8 }) rset credibility-list n-values people [0.5]
5 R9 `; m/ ?: ]9 C& j" E" a/ Z8 G3 X. P0 c4 `" k, R' c
set honest-service 0
8 F, ?3 y5 A m4 J* H9 f. \9 Y5 ?2 F& t" h5 R$ D- y
set unhonest-service 03 X' r; i9 a# G
, K& y0 {. ?: n" b% W* g
set oscillation 0
* a( m7 i& C8 o+ f* H% h" |8 R- R0 m( E) j8 ~
set rand-dynamic 0. i/ U+ ?4 L' W4 m% H, L% O+ I
end" }% Z x0 V. Z2 \+ }* s2 C; f
3 b* M* N7 X* x, B
to setup-turtles " l7 ^( g: b& o; U) O9 O) \
set shape "person"9 x \+ M, R! I) c! W) z
setxy random-xcor random-ycor
+ h4 q; c# e1 x7 F s6 S6 zset trade-record-one []9 V- G4 V" A, @ ?$ |+ ^
1 u: u" O6 S$ Q+ p" ?$ S
set trade-record-all n-values people [(list (? + 1) 0 0)] $ k2 I- W) q9 |3 J* |
% h* L( q1 Z, P9 ~6 Q* Bset trade-record-current []8 f& K9 u. ^6 R% G$ X
set credibility-receive []
9 v: ]/ r" x/ W2 iset local-reputation 0.59 s: Q( s* D2 r
set neighbor-total 0
' N- A# Y2 B) u q: Q. Jset trade-times-total 0" m) B( v% W) f/ C' m. i) o
set trade-money-total 0
! z% }$ N( W% V2 |& q$ `& v# xset customer nobody- `) N3 y; l% x; `& w
set credibility-all n-values people [creat-credibility]
# s5 n& g0 J$ v+ xset credibility n-values people [-1]
; T2 f& ?# r |' {. M/ n) P {get-color0 G, d# R. g& h. p7 p/ \) t0 R' S
. M7 c% \; d+ j9 b9 C; nend
: B7 t2 ?& |) l: c& Z2 ]
: D/ B0 L `4 h: {8 o8 H. _to-report creat-credibility
1 m% J+ g9 B# z$ @- u) Oreport n-values people [0.5]
3 r; P( i6 \3 {( i# T" E$ Q, [end
+ Z4 ?% t3 ]& \* J2 i- \1 J: r! b: T+ G- o; I6 U1 T C* E
to setup-plots& a6 @8 s& i; z3 c I
- f, O: b7 ^; U& i, e# h
set xmax 30
3 v k% T0 ` p6 c1 T J3 y
( P# y2 T' O c' [' cset ymax 1.05 S4 L U5 n' |. @' N M" N
( O c/ m; o+ O; k! {, m7 e9 cclear-all-plots
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7 n+ A, S. g' H) |) Jsetup-plot1) P/ K$ l$ r% F1 M2 B7 H( X/ K* K
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setup-plot2% i/ p% a* v" A, R
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setup-plot3% w$ P* l4 j9 ]8 r$ I0 ?1 S
end
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;;run time procedures
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" [. T) g8 x2 {5 \. Yto go& [8 F% O9 @# `1 K" Q" T* a* G+ F5 z
: c+ c8 w0 \, U8 g4 W5 a% b
ask turtles [do-business]
$ a [- i0 l! e3 S* `8 xend
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to do-business ! o3 ^3 K% V. R, }; r- V
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rt random 3608 Y, C+ l* b- m3 Q" V! B
% |% ~1 V1 J5 r$ Gfd 1) ]9 a) a/ e. a) N" p# {" ~6 {
3 J! Z% j. E! I' z' sifelse(other turtles-here != nobody)[0 ]. K: Q3 t0 P; P
, C6 i* X" g4 Z& T! Hset customer one-of other turtles-here
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/ d2 j5 G+ C5 |9 B) z;; set [customer] of customer myself, n* U) U* T/ I& u9 G2 t' W; x/ I
: }6 R- Q7 S: [* H
set [trade-record-one] of self item (([who] of customer) - 1)1 ~! L$ ~; a" ^
[trade-record-all]of self
2 _% c8 f c1 t' U; K- n+ L: Z2 D, e;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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* Q6 e6 }& J" Y/ vset [trade-record-one] of customer item (([who] of self) - 1)( r. _% p4 V$ B: f
[trade-record-all]of customer
: I2 l2 d- S; [2 \
; [1 u6 V2 W7 m! N% N. p& Sset [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))" g C0 a- t5 J8 y5 r
/ t! a( Z- |. z% ]& Q6 {
ask self [do-trust]
6 T Q2 \& Z- R' n( A8 j& |;;先求i对j的信任度
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if ([trust-ok] of self)! s) D# }* }+ M5 p
;;根据i对j的信任度来决定是否与j进行交易[
% V7 o: a9 X! N6 b/ Q6 g _ m' ~7 O7 Yask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself" q% |9 w0 \# t
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# L$ _& F' p$ d# J: odo-trade6 }' w5 L* R' G: ?
# \4 ]2 Y1 @6 d) Jupdate-credibility-ijl
1 N8 U' t* U0 f" x
7 V" j: T" u; n+ Supdate-credibility-list
4 k! F! f* v9 Y& }( J; P8 v0 X" Z# @/ u) x. N. _+ i% L/ \
" M% G4 |* V$ U1 G1 b) D& k. N, F% lupdate-global-reputation-list Z6 E- d+ b( i& Q- K' N
7 s0 S7 Y4 ]: ?2 A. k2 {
poll-class$ x) g" A; o1 n* g" m- z6 u% I5 P: q( j
: R% n, b' y9 V, aget-color6 T# d) }$ W. d& ?' ~
8 o( G& ]$ T# B: J]]
7 o8 W' G" a; I; E: p, |; b
5 G$ S# q. F, [' B;;如果所得的信任度满足条件,则进行交易: V1 N) B/ X8 ~' b; s, z8 ?
5 R5 v, N/ C8 o
[6 |" X$ H2 j! K
' f5 j' u4 ?' Frt random 3600 @! m; J; r/ g1 T7 h
# ^3 x3 k3 T9 d' {2 f! V: s7 D
fd 1
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] Z ?; a- @ d' p* [
+ i! F7 d5 j5 E9 B4 \6 tend% m' h4 |/ @5 o: Y7 Z
& \. r D, q% r- uto do-trust
( V# s& k0 y+ u! Sset trust-ok False4 \4 d( ]& P+ T) x7 i1 D
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* X @0 m5 \! \! g$ t
let max-trade-times 0 T1 T7 q% g# N' x. V
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 L* w e9 _# |+ r0 j' ilet max-trade-money 0
9 O, ^* ^9 d2 a% u+ [foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]# h" U4 ]3 K9 h0 v. O- m
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
: R# O& B2 a( b) p0 e6 O5 ^
( c4 m4 d" f' K
6 H/ Q! f( a2 G/ qget-global-proportion5 N# ^1 z; r9 I
let trust-value
3 u* J! ?% O/ ?. {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)! F- r; F( J! v; |* |5 g$ q( P
if(trust-value > trade-trust-value)* ` V: n# @. ~
[set trust-ok true] g# k3 ]% {" t9 }; C% M
end
- S% a) S& n( \2 ]' M% l( g5 E: Y2 j1 y3 _* q; L9 l% h
to get-global-proportion7 ]# \( w7 I$ Y9 D
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% y$ ^" _5 u1 K& w6 p* w
[set global-proportion 0]
8 f' d! ~' I/ ]! }- H8 ~1 [[let i 0
) f1 _) @. Y4 plet sum-money 0; v, Q8 l6 g9 [& e5 u$ X$ x
while[ i < people]9 J D+ k/ M; M0 D
[# ]2 ]( Z9 R `
if( length (item i
: M) D7 n, E+ r; r1 X$ Y[trade-record-all] of customer) > 3 )
3 \6 E8 ~8 N3 V9 P* c6 x[" |1 n2 Z0 X( C' t' V, r
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
2 D& }" T5 _! P g0 n$ f: V. a]
, O' F: H- @7 Q- C6 c) K# a]
" Z0 ?2 n$ {. [let j 07 e% L3 f o$ |7 G: l# l8 M
let note 0
# b5 f+ h. t7 K/ owhile[ j < people]
, x1 x: k, N2 e& u& g[
8 x; A0 x% z8 \( g4 I. p1 z, qif( length (item i
+ i0 L6 e- `% @- G# z[trade-record-all] of customer) > 3 )
% u& P" |' r; N) p7 v9 e- d[
' \8 l. J4 \1 Z: ?7 Y! E) oifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)* l$ R6 }1 q: N2 k4 e( Z
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]( u1 v6 J3 o" X; ~- ^* w) X
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] x' [# T* ^+ |3 v
]
9 T) Q b. u' r8 w8 k. W% C]/ ]$ P6 F0 B. R2 z- b
set global-proportion note
7 ]" \: k( d: G2 ~8 }8 ^9 L]
% d: s/ E# e o) Z2 G2 I8 Bend
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0 P/ G7 k" T3 Eto do-trade1 t: Q* {4 m. u3 b( ]
;;这个过程实际上是给双方作出评价的过程: S, V( a0 {- B- N$ _( ~: N: o8 w
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价# @: V' a7 m1 j( l$ G6 E& l' w
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
6 h! B" d Y$ M" p) g, |+ Zset trade-record-current lput(timer) trade-record-current
: i, U0 x, ?' ~( _6 b! n" A( [ @;;评价时间
: P4 i6 t3 ]0 w% S) s; e, Q2 Pask myself [/ H* y) T _' g4 j' L( _* P
update-local-reputation- I8 G/ z4 {5 e2 `, t, Z& B9 c% Q
set trade-record-current lput([local-reputation] of myself) trade-record-current: e* A8 W: H- ?$ [" s
]
; u$ o" t5 ? s* f- S; [set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself+ i- w6 R/ Q, ^
;;将此次交易的记录加入到trade-record-one中- m9 G4 ~- E4 o7 a' z# a
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
" K9 J& ^6 i0 m8 Llet note (item 2 trade-record-current ). q8 }. r) f/ C. f w1 b
set trade-record-current* q* y9 A; a% g* p0 n" f6 D
(replace-item 2 trade-record-current (item 3 trade-record-current)). b; `# \5 s r9 m
set trade-record-current, e6 _8 p- H3 m8 Z0 ~9 k
(replace-item 3 trade-record-current note)7 ]9 |. u0 y4 e0 _' c6 C8 h, S: F
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ask customer [
9 r9 o# C" m# V" F6 y4 `5 n% c' lupdate-local-reputation
2 ]6 U& |( a& bset trade-record-current& X0 }/ b6 Z8 j
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
% a( R! v# e- d7 r1 s5 C], _) ~7 N) o) Y$ w
4 r, X% M+ A8 {$ m6 v: h0 E% M, a t+ B: d4 |
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer! D1 a: a- i1 O v( b
7 R/ ]- @3 t1 y) O7 @8 eset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
5 k8 q9 V4 F+ [% u;;将此次交易的记录加入到customer的trade-record-all中
7 n% D5 _' R8 _( M$ a4 y [7 [end
2 Z$ K/ b4 }4 p- T( Q# b! q" O, {+ G$ b2 J' ^/ d9 u7 ^
to update-local-reputation
0 ?1 @4 M E4 K% D# yset [trade-record-one-len] of myself length [trade-record-one] of myself! C" K5 q: E8 R8 v) x
7 [1 V3 i, C. ^) y( y7 \ @
$ O! A# w+ R+ j( V: g1 ], k
;;if [trade-record-one-len] of myself > 3
6 h; f8 W q) C/ k A4 eupdate-neighbor-total
) D1 |" m* B$ G5 x/ C6 [;;更新邻居节点的数目,在此进行
7 l' e5 t# O/ R* m. _0 Q- b4 ylet i 3
. @; R, h; Z5 l( I1 W2 J: Xlet sum-time 0
0 H/ Z( M" g, Qwhile[i < [trade-record-one-len] of myself]
4 X; Z# i) U. Y: k[
% W3 a- U1 I; }7 Iset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 g, G8 g# ]7 o' nset i
/ D) A& q& j, t3 N: A( i + 1)( c( I2 w- U$ B: d( b1 H
]0 G. K* f; u. w
let j 3* o8 `0 X1 ?# S& P8 G2 {( F% N/ L
let sum-money 0
/ V1 M/ C' H9 J: V+ ]2 w. twhile[j < [trade-record-one-len] of myself], c: d7 \3 v4 I, d# Y; X
[9 }7 y8 S0 {! C1 Y4 g
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)
8 Q% H, O+ M, vset j: h& Q3 m# s) n# d8 C5 p- x( Y G
( j + 1)( h* m ]2 W( ^6 y) D; h
]3 n7 H! r4 D, A9 G# G2 e, F! p
let k 33 v5 p% _8 ^0 _, _
let power 0& x# g3 i* z+ ^3 A" Q& t
let local 02 F1 f9 ?- Z4 `+ I1 w9 R' c" p5 }
while [k <[trade-record-one-len] of myself]
9 ~1 L: V$ F9 B& s2 v5 X) ?[- J1 L' y; H' v5 i, o: Y
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) . l L5 o, [$ v! ]* W. p
set k (k + 1)
/ ~: }, ]- {$ f]( }- U. K8 O0 r8 _" O1 ~
set [local-reputation] of myself (local)
8 o: }& e- F8 qend
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to update-neighbor-total
, o! ^1 t J3 D7 G8 G& _/ s
. a- M- _3 Z* @* |; yif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
, n$ p. ^( o0 D, q' a4 _
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end) I& N; {- |8 F/ @& l
. W9 v" K9 n' K9 z$ }
to update-credibility-ijl
7 L6 l2 P; e n5 j, {
2 B# V) K7 g5 K4 \- q;;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。9 q3 ~- }) b6 i* l! m1 t1 h5 b/ \
let l 0
3 |$ @5 T- B1 n$ i/ Kwhile[ l < people ]
0 Z$ G( ^: c- g. |1 M' N6 S% D;;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
$ L0 G& @! }. ~) G( B1 W[( H! b5 _' F/ T0 y; ]7 B- ~9 P
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)) `% i% r7 U F
if (trade-record-one-j-l-len > 3)5 p6 H$ I/ ~/ m' C$ ?! c3 q
[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
! V7 V& R5 k! L+ ^/ {! j0 mlet i 3
5 C9 j# k. b3 v i- elet sum-time 0% X `" R- M3 j" C; R; s
while[i < trade-record-one-len]) w. n3 [) {2 Y# N) T% U0 C# ]
[: N+ K/ \! I# L0 X
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )( k* i* `* i# Q, u
set i
3 J) E: J+ k8 v. t' i5 |( Y( u% q: ^, S( i + 1)2 ~, |2 Y) V" g8 q N5 \+ [) |
]
' t( V# g+ e& L$ b, M) Wlet credibility-i-j-l 01 L* X5 H, m5 W( m& _- G# D
;;i评价(j对jl的评价)
# M/ ?: C4 T6 S2 ]let j 3& x* L: q, b0 P6 J z
let k 4
5 D \$ Y# B$ l. j( ?while[j < trade-record-one-len]
$ ^! _9 M3 H4 J' R% C7 y[
0 A$ c$ `0 D' m: }: Zwhile [((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 }5 I: _& s/ G9 n# W! o, D: ~8 L' rset 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)
) ?7 m0 x i+ x6 Nset j
0 l9 ~7 S7 n# k- u( j + 1)
0 B" J7 w& N7 }1 G]
: W. Z+ X! m$ e- R0 ?0 hset [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 ))
$ j/ L. [' O$ U* o+ X6 ^( B" o' {: X+ }6 J
/ c p; K4 e2 T0 }# ~* wlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
; {* H+ A" m0 w! F3 O' l;;及时更新i对l的评价质量的评价
6 }: D9 @) d3 Hset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
' @ U0 d: I# l8 ~set l (l + 1)" W' E8 W- j, u3 Q! [# I6 y2 Y
]
( A' \3 k( q! G6 v( p" O1 I5 ~end
# o' j0 P# Q ~! i6 S4 G# S! U$ T* D7 B) S
to update-credibility-list) m7 j9 J. ~2 j0 \0 b
let i 0" A0 Q# t/ @4 v! s* g' J+ T
while[i < people]# g8 A; B) W1 l6 ]
[
5 ~. N6 K' @: y! X. G& }( dlet j 0
7 ~. }8 H) f$ \% @/ `% {let note 0# y/ |) P& v. n$ S
let k 0
) I4 t& a1 l3 K7 i# N5 t1 a S* {+ d;;计作出过评价的邻居节点的数目/ N% Y# F- D2 S# H6 u" ?7 x J
while[j < people]
" P3 D& @& Q0 [- ?( j[+ A% X0 a0 j# j* B7 v% E! g0 y
if (item j( [credibility] of turtle (i + 1)) != -1)# K9 a- P* \& o* l
;;判断是否给本turtle的评价质量做出过评价的节点8 K% Z0 c; M9 [* p9 V
[set note (note + item j ([credibility]of turtle (i + 1)))
' M# u2 p! C6 E- W;;*(exp (-(people - 2)))/(people - 2))]" L$ q: s1 B( C. v1 J; t
set k (k + 1)& f9 N, }$ F' ]- {7 c# W V
]
# M" ^. E8 \/ Jset j (j + 1)
& @' d% T8 _9 E" K J% s]
0 }, Q9 m' {$ zset note (note *(exp (- (1 / k)))/ k)
# t% m; i1 ]9 }& @! [set credibility-list (replace-item i credibility-list note)
+ z) ?( q& ?: Iset i (i + 1)
/ x3 L# E7 f2 D]
+ d e/ _$ [2 J. U; b! k5 E( Vend
3 r. s2 w& \0 ?# H6 S
" Z9 X4 S5 B+ r, {6 o$ Gto update-global-reputation-list
# i! F3 Q# P# I, u4 h( i9 [" f( Glet j 0
- z! s1 Z; P- O" awhile[j < people]; G/ c' P- h6 y* ?. x
[
3 i9 X% |4 |' [; S$ tlet new 0
% b" F+ m$ D7 d$ K2 |/ C. z;;暂存新的一个全局声誉* h* _# p, v3 k: L
let i 0/ Y+ X4 S% h9 w( [# h
let sum-money 0$ L9 c d" C) h d- _+ W# a
let credibility-money 04 y- X+ a5 [; l7 C$ ?9 t
while [i < people]
! W) o7 V1 x( Y" n! |6 [1 r[
1 F7 H2 t7 l: K9 j+ `+ Iset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))); \% Z( s9 `0 d& t: M) |
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))1 \6 k, S) g/ N$ w1 A1 l
set i (i + 1)
. J \8 U' i! N+ |: N4 Q6 {) k]# E" P8 M7 m& h0 b4 J, t
let k 0
. } S9 _. ]- Slet new1 0
% ?9 y' \4 \+ Xwhile [k < people]
8 D1 X' a7 H& K! N, b( J[
+ R; e3 ~$ c& g. E; \% Jset 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)/ _# E7 x l+ i
set k (k + 1)8 A2 T0 z/ D! w; w) G. C1 ~; R7 @
]
6 ^/ X0 |! O# w* G8 Q$ ?, ?set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ! h2 y: a$ T& D9 E8 k1 C7 P; [% y
set global-reputation-list (replace-item j global-reputation-list new)
, M4 f3 S. {* e$ lset j (j + 1)
, k+ W1 k9 \: \3 []
. F3 R% J V3 H$ hend
% h/ q8 d+ X4 j+ w; T( N _
$ I5 L q2 U/ R& v7 z
9 u# ^1 m5 h2 }$ B; K: p& Z( P$ Q0 G. @# ?1 R
to get-color
+ a% l9 F5 o! r8 y( Y
2 U4 i4 O1 C3 a9 jset color blue* K e: A4 P% i# w
end% v& U& y: N$ N+ Y
, V! }0 g- K% y! e+ o; S0 _to poll-class
6 V" }% q: j3 kend- }! T2 `5 H( F9 t2 ~; s
6 h; {' D- c1 Kto setup-plot1
2 w7 K$ E9 U- f6 R' C
- i& K9 \$ A5 bset-current-plot "Trends-of-Local-reputation"
' Z8 k2 }( B* ?# \7 p M3 X# b& i3 X4 Z
set-plot-x-range 0 xmax
5 S) B+ p/ O: a: P/ j) v+ _; C. b) u3 Z- w- v; m( e# E! f
set-plot-y-range 0.0 ymax
6 j1 t% M% G% o* A# {: M! c# fend
$ `* `" O _6 a) d
. b( c1 Y; X. F& U3 Eto setup-plot2) x3 t3 n0 E( G6 Z n
( y7 i4 m0 D7 n2 h5 h* U, {* Y4 E3 T
set-current-plot "Trends-of-global-reputation". n% ~$ _ C( C& e5 [
' x3 t# u& D% D# C/ Sset-plot-x-range 0 xmax9 }, o, b3 H6 a( l; K8 Z" q" l
- Y* p* g1 W: `2 |/ a8 c
set-plot-y-range 0.0 ymax
" Z9 m1 }* r4 |& D- b# u6 D- K! ^% Send6 p; f5 H) V4 L! T9 `
6 I- k* Z3 n. z8 d
to setup-plot3
5 S/ B g( _9 ~( A! Z# w
& u2 b W7 {3 i% _ Q0 Lset-current-plot "Trends-of-credibility"" s" n1 o! i: W
2 w% p7 [6 l% J+ w, ?% Zset-plot-x-range 0 xmax: r7 @( q( s! e4 F. u! a
6 S9 v6 K5 z8 |6 V- I$ uset-plot-y-range 0.0 ymax
9 h) d. N: l$ x- \ E5 P7 J Mend* n% t1 ~: q0 Z- |- {$ x# ^# R
2 D/ A+ k0 g q
to do-plots
+ |0 Q, D+ C4 Q9 k$ lset-current-plot "Trends-of-Local-reputation"
X# _. X+ w$ n- `set-current-plot-pen "Honest service"
5 s8 z$ O' m1 V# h/ q1 dend. c2 p8 B8 f" Q5 ^# j
* Y& ~5 c& X+ r[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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