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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
! |+ u6 G8 y( w8 x B0 w9 u% mglobals[5 @) m& [+ x1 z& j
xmax
9 S) Y T/ f J2 a$ p+ ~ymax
% s% e! ~! g m% S6 k3 ~3 sglobal-reputation-list4 V# o- \8 R' ]4 F ~
# f/ b; l* [3 Z& X: j v/ O7 `
;;每一个turtle的全局声誉都存在此LIST中
2 `) P6 N6 U$ ]' B* {credibility-list/ l* \$ S6 f6 X- ]
;;每一个turtle的评价可信度. b! ~* ?6 M7 w6 f" h. a' ]$ C$ i
honest-service/ C- b& i$ g' @* C# o& k
unhonest-service' V6 Y* K h9 S8 L& {6 {
oscillation
% S7 L* L& a* F' A) Z3 r2 J" N" V7 {rand-dynamic$ M# _ ^0 h" M0 i8 W
]
; K5 c5 c' t6 v' T, D* N/ I8 v7 g8 a) k
turtles-own[
6 F9 S; N( W9 `% B3 u7 D0 |trade-record-all+ n$ e6 y. H( d/ I. d
;;a list of lists,由trade-record-one组成
5 F; U0 `6 v# x" x0 W0 k% }8 Wtrade-record-one! F$ y; M9 Q n0 }+ C6 ~
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录7 }8 C! |/ R' R) s3 Q& C$ X
: l/ f6 B; w m6 k
;;[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]]! i* o% n6 r4 v* S
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]: D: [6 Q8 q' M. f- \6 u4 ]
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
. j3 t" X# B" H9 A9 F7 cneighbor-total
9 a. i0 s4 G0 C" w;;记录该turtle的邻居节点的数目
! E0 h4 d* g6 R5 x& X' Ztrade-time
! s2 F6 ~* \1 \: n$ {: m;;当前发生交易的turtle的交易时间
* A& S! S% n/ C- K4 J" ]appraise-give( m& ^) J2 E0 [( }% p
;;当前发生交易时给出的评价, A7 D+ W& R: O
appraise-receive
) k3 ~* C2 {' y- I;;当前发生交易时收到的评价' D+ g, O' C2 @' `4 [
appraise-time
* _0 y7 J t" ^9 M' A1 |;;当前发生交易时的评价时间$ j( ~) s% I! g
local-reputation-now;;此次交易后相对于对方turtle的局部声誉% I' `+ c% p5 Z5 j
trade-times-total
$ ?3 Q7 q0 I. u P7 ^$ S;;与当前turtle的交易总次数2 _! O: _+ P1 p7 X' q0 ] e
trade-money-total
* ^, D, X7 u# a9 h* m;;与当前turtle的交易总金额
2 P( m3 s" S! j7 [local-reputation" j1 L! S5 K% S7 o
global-reputation
9 `# Q: z- E0 w0 s( T# p- Bcredibility
4 u+ E8 l" s5 Q- G- A- J6 e7 d& z;;评价可信度,每次交易后都需要更新
, ^8 X1 l4 Z8 Mcredibility-all
0 ^8 h! i; S9 G. {6 ^;;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
; d3 N$ B0 \$ M) P4 R8 K2 C6 ]) _, |
;;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 I. S! b/ d9 ~
credibility-one
2 E) M8 q- L$ L6 h E;;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
1 Z5 H: p7 V B3 r% i8 x7 y" c3 sglobal-proportion
, _0 O* y+ s6 o2 M) b/ Rcustomer9 F+ J9 L4 M7 x+ E; V
customer-no
+ w; t! H$ r! q% Strust-ok
* a ]) S. p. Atrade-record-one-len;;trade-record-one的长度* S1 j* N N, D" T& L
]* C+ n/ M% w4 P6 M/ l- I) x8 i
0 S/ m7 u" Y1 f$ t# d8 j. r( |! C
;;setup procedure' j' p6 {: ^( J0 z: h: |1 I
7 [' c2 b. J: hto setup
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- u7 k5 R+ \8 aca
4 I& }7 J; u% ^% }3 _6 v& j
+ h# c* U& ?; sinitialize-settings
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crt people [setup-turtles]+ o& ]+ t) E4 P8 T( v8 a& ^) i
+ ]- F8 M2 A' ^. ireset-timer% G" F0 E& H8 D* h. t5 i0 w' F
# ?3 P t2 f$ G/ Z: D6 ~& R6 u, L( W. mpoll-class+ y$ V' x' R1 Q0 D& z. N2 c. z2 J# S
& f, @8 O9 Q& {% b
setup-plots
( @% [; h& Y' }6 }' o
7 ^6 U8 T6 s% g+ }2 B. edo-plots
" }/ C/ x7 _8 E5 p8 Z; d+ Mend
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to initialize-settings
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7 J0 d' l1 Z) C/ e1 Z* C8 b9 T2 Oset global-reputation-list []* O: p1 H% ]# ], U
Q c/ g, D! g- Gset credibility-list n-values people [0.5]5 F, T0 y* l: f- H, |6 ]
! Y/ _% D! w3 O% `( A8 F
set honest-service 0- r }* N6 p9 Q4 a9 p
# n. ?; W! w8 a. N. r! B M4 wset unhonest-service 0& L8 W7 h8 m# U7 H. G
! G2 F6 B0 _4 z8 t7 W1 Q
set oscillation 0
1 f4 ~4 F1 j2 F
6 e3 w) l5 w: w& @" Vset rand-dynamic 0
$ A! P5 Z& E' Q9 f) o, P, I7 \7 S* Tend
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to setup-turtles
& L' _" P1 D# ~, Qset shape "person"
/ c+ J" I& s1 p3 ^2 h E3 Fsetxy random-xcor random-ycor
9 [9 A2 e! i* |) ^* U2 Tset trade-record-one []
6 m/ O" X$ Y$ W% M J
1 D3 b6 j V" Rset trade-record-all n-values people [(list (? + 1) 0 0)]
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set trade-record-current [] V$ t& ~! w- E* `, N
set credibility-receive []
7 a5 w9 y; V zset local-reputation 0.5
. ~8 h$ D+ S+ g+ c0 F( U& Fset neighbor-total 0( f, H* G! F6 ]( p) S0 j0 q
set trade-times-total 0+ Z# ?+ n0 x- L7 T- {5 ~
set trade-money-total 0( q; I* E# l4 ^( U* E- g& X
set customer nobody
7 B( L1 M. _! w" o' c K, bset credibility-all n-values people [creat-credibility]
- [ t* j& a" o0 z- `set credibility n-values people [-1]
0 X1 `# s0 I( G, O) aget-color
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end
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to-report creat-credibility
4 t# u8 P% D* B+ H+ }! s2 Kreport n-values people [0.5]/ Y1 [) g6 E* Z- q; t* V5 z! n- ~
end
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# F4 l W9 N9 \, T# qto setup-plots0 S8 H5 F. {. k
# `/ A; p7 g* v8 a" Z. Rset xmax 30/ l; }; G2 e% M' Z& ]. r- _
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set ymax 1.0) Z6 @7 k1 P; f
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clear-all-plots$ d# ~. k$ b8 L% o
' j5 D- d. T6 A" D0 m6 h: [% tsetup-plot1( z j: g/ I' |9 ]
5 u$ G# r! q3 I4 n8 o+ _setup-plot2
# n A7 D4 K" @2 n
7 z8 r) c# f' \9 q( ~setup-plot3
: B! w- t) _7 I4 i: aend5 S9 W% o/ g9 A
9 k' H* D* d1 k& a2 Q# s) z;;run time procedures1 a8 Z3 o4 Q1 n3 w8 B5 S
1 c& G8 ?$ _1 q x7 yto go
( \$ g) l, ?( O# a* y8 |5 A! R# m3 v2 @. E2 S: }- d6 l
ask turtles [do-business]
z+ L( O5 H/ y5 Q& eend/ t0 Q/ e) Q' ~+ [
) J& n" ?+ Y0 v/ C& Y% z# J9 u
to do-business
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' [$ B9 q9 k7 L# D- Z1 `1 ^* ort random 360
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fd 1
2 c+ h; G' ?( U, a4 Q8 z2 \( e0 `0 @' `# c6 |- A- B. I% w# [
ifelse(other turtles-here != nobody)[: ~; z& O4 U7 P( @; f. t
& w. c2 M3 L2 M0 v# F5 k$ f- @set customer one-of other turtles-here( r( _1 M5 S6 P* L* d- f
, i' s2 |, O" B. F: A) m- I1 N
;; set [customer] of customer myself- \5 y; v) ^# t4 j: U, P+ ?6 k
0 N5 t) D3 v; R. ]
set [trade-record-one] of self item (([who] of customer) - 1)1 W# o- P$ E( ^- y6 R4 I7 Z
[trade-record-all]of self4 \- R2 | b# b2 h' w' y; I
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self. L, ^! ^8 d, M( o! Z8 b' D: G) m1 p
# L5 V. H+ q% M p; a+ o
set [trade-record-one] of customer item (([who] of self) - 1). ?6 Z2 ]( H# l& Y! H' Z0 y0 g' {
[trade-record-all]of customer6 l" C4 ~" t3 l& ^
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set [trade-record-one-len] of self length [trade-record-one] of self, [" ?3 c; e' N& h
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set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
3 }% ?" p$ R) ~, D0 L( Q$ F;;先求i对j的信任度
& R2 \8 d0 Z6 c5 s+ d- `7 \
5 J. o- H! Y1 o) d) mif ([trust-ok] of self)1 X$ [- a% h2 n4 M; m" m
;;根据i对j的信任度来决定是否与j进行交易[
% z* b* \4 s" wask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
; [( x' U4 @0 {# Z$ k, b" x/ z! e6 M; f7 W% t4 J; m3 S% n" ^
[
8 U8 ?+ O5 }* d& R/ V+ d; A7 I: J2 e' u0 K" u% Z
do-trade
0 X: m2 M0 R- A5 A" c
& I$ o8 [ Y) ]- q5 supdate-credibility-ijl$ R3 d/ w6 f3 W# a
" \$ p) ^2 D, G( ^+ qupdate-credibility-list
' S: V& L- ]5 I& i' L6 K, P& H- x8 p+ Z" N: O+ Y; Y X& z
1 V' I2 _4 V0 @/ Z0 L% ?
update-global-reputation-list
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' c1 b9 _ n5 e3 b7 r6 ~poll-class* `+ \5 B, Q* J/ O% K
& W& B' v! O* ~8 o2 @% pget-color& j. T! t7 T8 n; i
+ s% O- T% j5 I2 [2 j. v
]]
' Z1 R! S, \7 a' ^: o
, J( j& R( N4 u- A8 w5 X$ V;;如果所得的信任度满足条件,则进行交易0 P* t( m6 `' Q8 ~+ _8 c6 V
{, z; }( v& a8 G% [) V" M+ Q[3 [. o' E9 o# T, O5 Q& b4 F3 M
3 o+ y4 y3 k' j) G5 m
rt random 360- g; ]) R2 g! G' m4 w
, \: X8 v8 A9 pfd 1 s, s4 o* p4 k1 Z) H7 E
6 m, n1 v' Z3 p! V* Z4 m3 x]
+ Z! \; m9 m% h* d, ~+ y5 s5 S- f+ [& w, [& Z
end
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to do-trust 5 o4 G/ D8 M) }
set trust-ok False
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7 N3 I! ~. s D6 S/ m8 Olet max-trade-times 09 s9 [# U; r4 j9 V" S$ c9 Z5 A* _
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
+ p+ B7 N2 z! g$ n# q+ Zlet max-trade-money 0
; ^: H) a" E# J5 oforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]" q' P* T I s/ F$ c0 ~, Q
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)) J9 @- c& J: S7 m9 ?. [+ y
7 N+ K" o: v' P c. m2 r5 {( L; F' n) ?- E: V( R K0 T
get-global-proportion
! P) p9 `* `7 V6 L% \8 F* Glet trust-value
: h5 `9 A' M5 G( ?2 v* ~( Q2 M* 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)
3 p6 ]' o1 r5 K) y' v8 Gif(trust-value > trade-trust-value)
, M/ D2 ]) q! ]) @: o T[set trust-ok true]+ ?) F$ l0 @/ N# `6 b8 D+ o
end; t) Y2 E- X5 n* e- ^. S
/ U* y/ H$ P) u3 a. h: Cto get-global-proportion# v% F# i3 J5 C! {1 k
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
+ |* H9 ?3 ?- O" x2 a/ b# h[set global-proportion 0]6 J6 B, ~8 o2 S2 `1 `8 }% f
[let i 0
9 O) C5 f2 s* L2 Qlet sum-money 0+ O+ e7 J. A% ]. a; r
while[ i < people]
* D4 N6 P H: q9 _- X; V[
; Q4 V& e& O) T; O- Rif( length (item i
' _% I6 D) V$ r[trade-record-all] of customer) > 3 ) M0 U+ _$ t' l( L, K' }5 {
[, _7 U2 m, a9 A4 Y+ B, l
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))/ l( D+ z; t. \1 [4 b0 t- H, B
]
0 G# U$ _& n3 k, a! ]: M]
N( N4 g ~5 p' e( |3 ?3 Nlet j 0
2 K3 n9 g. S9 Y8 B8 F4 H: _ ]% }let note 0: \8 E8 O; O0 ]# O4 ^$ _( Z/ B6 s
while[ j < people]: |+ [+ t- x1 F* W# `
[3 Q: L5 Q1 U) i* n- z/ e# k5 [" H
if( length (item i$ H% M. o# E8 I. X% a0 K+ P
[trade-record-all] of customer) > 3 )- C! C4 P6 \ `% ]+ F
[
0 F- {/ r% ?" c$ eifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
4 ^9 j- y1 L( s/ s[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)] `: |7 R# X* y+ e7 g+ N/ S+ d
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
# _0 B3 O8 [2 U' i: b9 Q]
9 w& d& I4 J3 u* X3 A7 j/ b, r1 K]( d7 M" i, A5 u5 b3 U
set global-proportion note7 }; D8 l& Y& k4 F5 i6 l& h6 Q
], u# o8 P2 f1 C. Q2 C, y
end5 H) i& K- o, d6 e9 M
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to do-trade
# c" K h. ?5 o;;这个过程实际上是给双方作出评价的过程
. Q( x: V5 r% s6 M( nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
9 s# @3 s+ j" Q3 A; P1 s- B" lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价# D1 [3 a9 D8 |$ X( Q! M% x7 A
set trade-record-current lput(timer) trade-record-current1 `8 {- A$ n9 y2 ^9 J2 R
;;评价时间
9 l# I0 Q6 R+ x- _, i/ Q. lask myself [
' L5 U$ j/ X& W5 y/ g; P( |update-local-reputation
( l4 g h# j, |! z/ S# c' Kset trade-record-current lput([local-reputation] of myself) trade-record-current
! w5 x6 X) i9 h4 a9 r7 G6 \# h( l]1 `: y7 f# ^3 Q* D8 q
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself; i3 h, u% E. Y8 J8 G
;;将此次交易的记录加入到trade-record-one中9 R6 W1 A8 o+ O: T% E" i
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
1 n8 U0 n2 O% @! Z) t8 Olet note (item 2 trade-record-current )0 N+ H) n0 Y& m$ b
set trade-record-current
; g% V- B! P }# |( r(replace-item 2 trade-record-current (item 3 trade-record-current))
9 k u+ W+ y6 F& Q4 k+ D1 Iset trade-record-current
" h/ r/ j$ o& ^. w$ l) X. w9 r(replace-item 3 trade-record-current note)7 c( b+ A, _8 [# v* ~9 H
# ^) l& L4 l3 C) k9 Q B9 w; R6 l$ n4 A8 z( S4 v+ {
ask customer [6 |1 n0 i+ ^6 F
update-local-reputation
/ |2 y! f- @3 p* I% ^& q# O, cset trade-record-current8 H$ S4 b. X# `
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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# K& ^! P* f5 G
0 y0 M- v, B% F# |4 Fset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
6 y0 z# v+ O6 X0 w; _
0 a- B# ~% v" n: Oset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))9 S9 I, c' G6 ?- X3 J
;;将此次交易的记录加入到customer的trade-record-all中2 X) h) q: Q/ a4 C
end6 T6 ?9 G( f$ r; r
8 h1 O& m: C( ~% i6 @: _
to update-local-reputation
0 W/ M S1 ]( O1 t' \" M) lset [trade-record-one-len] of myself length [trade-record-one] of myself/ X9 d8 m( _3 b9 w8 C0 \/ X6 d; u" v
6 J$ q0 S, r0 U5 G2 D& M- W/ k& d3 E# ]; G1 [2 F" [6 w
;;if [trade-record-one-len] of myself > 3
- o: ?0 o- d4 C5 ]update-neighbor-total
! x+ ?% S. L# c; p;;更新邻居节点的数目,在此进行
6 i7 |9 u& W5 p( ilet i 3+ {1 {2 }) |, _8 `8 _6 ]
let sum-time 0: w: r' A* o+ a7 `- B# {4 r
while[i < [trade-record-one-len] of myself]
; ^8 J* ] ]. u- G$ @. o; \[
+ [9 F6 {& I9 P# y# ]) lset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )6 |' m- {4 U3 i }. X; c
set i
/ u7 {; U1 q2 J& O1 _$ U( i + 1)
4 ?% u& ]/ M6 q+ Q1 r# [6 x. B& ~) N K]6 j" g2 p% s9 T
let j 3* g* [2 u1 o4 I$ e. x/ v/ z
let sum-money 0/ O4 N9 }" z0 w# Y5 F1 B) K: [# p
while[j < [trade-record-one-len] of myself]* r K# a' h2 J) w/ a. O! x* `
[
/ l/ @ w5 m9 bset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
4 }7 m% g# H! y; }1 @set j
2 Y7 I/ S/ ] H' D% r/ o( j + 1)' g; U) B$ I' I
]# G+ a. Y4 n5 g
let k 3
/ w9 i8 z, P! |# b! u# Glet power 0" H% G4 w3 v) _% Q* ^7 {
let local 04 R& E0 g y2 {8 M' I
while [k <[trade-record-one-len] of myself]4 P$ {1 z N& y+ R9 W& n+ o
[2 p t+ t* n( f, o! ^& b6 M
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)
( A0 J# Z; Q0 W* w0 R' S7 Fset k (k + 1)6 y+ \% g- U: _2 G
]
* S% ` K5 S% n: u* Lset [local-reputation] of myself (local)
( k. \, d* Q) `& m H8 H2 y$ }end
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to update-neighbor-total
; E9 {- F6 D1 v1 R+ J2 T3 V3 y( g, L4 E" b0 Y
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end
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to update-credibility-ijl
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4 y( b, O: y. K1 ~, T;;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 O/ V6 u$ k2 `+ D3 Zlet l 02 E* z! Q1 A2 h. _. B
while[ l < people ]
i$ E7 h, N U' N* {3 k;;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
; u6 D8 i" ?3 `. d[
& s0 e& L5 a0 ]. g! ]& p: e# ]let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
9 T. }, r" v4 c1 p1 r$ A Wif (trade-record-one-j-l-len > 3)4 e8 t% \/ }) w0 L$ F
[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-one1 M0 g' G- y6 l
let i 3
1 Y1 c, |4 l9 v3 T& P klet sum-time 0
. q" K K2 Q6 R* J7 }. }; G2 p! B+ Hwhile[i < trade-record-one-len]
% f& a, s, o# Q[
Y+ H# \7 S+ Kset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )+ O6 ^9 c& c1 |1 k3 l2 d
set i8 g2 p9 b# u" T( l; a4 p5 q! H6 p/ H
( i + 1) {0 v. _% ^5 Y$ f4 a$ m& ]9 R
]
9 |1 [0 U3 {. Flet credibility-i-j-l 0
. H# z. Y( K4 ^) D7 E;;i评价(j对jl的评价), g/ \( h; s" e* [, g" E
let j 3
, H) v2 c) O) h: f5 e7 q! N/ alet k 4
, p- {5 i; { l' r) B9 Nwhile[j < trade-record-one-len]; _$ n8 j6 s1 d
[! Y6 l7 `4 `- u. F* T1 y! h
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
% G8 I* b2 d+ a% k0 u' h- {6 K. iset 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); J* o* _: r3 @" w& w& c
set j
; f3 t4 p, t1 e2 Z4 ~) k( j + 1)/ L4 D7 q! Z( g$ ]3 v3 z# L) a
]- v# L7 E" A" ?0 h7 }3 Q$ e
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 ))
2 p0 H" J, M& P ^9 G0 r& H* G$ H" ?9 Z% g+ l
- }+ I0 G4 ]4 y% B
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
" o% u: k3 z. w;;及时更新i对l的评价质量的评价
9 K# n( F, R8 f7 l$ Hset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 x" o7 F4 L: q# w. u# d$ x* F. }& p5 Yset l (l + 1)1 z6 t2 f# ?* t$ o; T: t
]
+ y7 ~: d3 @- d8 hend
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to update-credibility-list" I: e& ^) w9 A6 N; _$ z( @: y
let i 0
) C4 c% ]9 m6 D6 x" iwhile[i < people]9 ]: Y9 K: d0 U1 S# K
[. {1 w6 K; b% Q# n0 p
let j 0
& ]( m4 a; Q* jlet note 01 D, s/ @' v6 c) Z+ W, j
let k 0! i' q: P+ L, M2 f* Q% v- h
;;计作出过评价的邻居节点的数目
* Q7 W1 E/ z+ [* T! n& H4 ewhile[j < people]
9 Q5 O# Z! T, D) a7 J s5 D[3 @' t* L( _( C; b/ w+ i
if (item j( [credibility] of turtle (i + 1)) != -1)
8 K' j; W& l/ \0 k; X( l;;判断是否给本turtle的评价质量做出过评价的节点
( f& M( b$ t0 S8 w; C( d9 P0 G- t[set note (note + item j ([credibility]of turtle (i + 1)))
+ t3 n% k# ~# p4 M$ Q;;*(exp (-(people - 2)))/(people - 2))]0 z1 l4 t: _! i- I Q; {: z* S: i
set k (k + 1)
8 ~; V& H4 ` y$ S2 ?]
0 W! X/ ^5 D0 \# y2 Eset j (j + 1)0 L' h. C+ r% a9 Q) [! y
] \1 |; s9 j4 ]: H( U$ Y
set note (note *(exp (- (1 / k)))/ k)
! w/ P& F4 s6 E% D0 S6 H# fset credibility-list (replace-item i credibility-list note)' A- y; z+ `5 v- l' {* e5 w/ B. B
set i (i + 1)
% b/ A5 F2 S) s9 w, ^]5 K0 U, Y/ U" K# ^
end c* H; Q, [2 N% {
6 ~% i. {; H% V! R0 V1 b2 w, n# i- hto update-global-reputation-list
. e% Q6 v1 @; L3 }5 j, B) Wlet j 0
# J) x7 B& Z% E$ P" @ j5 Jwhile[j < people]
# f \/ n' A( o' W- ]4 v4 t[
# h2 J) C- D c" n- \ blet new 0
' I0 }! l) P5 j$ n5 k;;暂存新的一个全局声誉 B3 c+ @6 r+ B. k
let i 0
' _2 ]! K! G5 M8 B, K: b+ w9 zlet sum-money 0. ~9 Y4 ?& j5 j- A
let credibility-money 0
& h8 H3 h) m# z) N8 ^0 [4 lwhile [i < people]+ Q! i( K4 F+ f" w
[
% U7 T! E$ N9 dset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))), [3 \, C1 r6 f% u
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))/ A4 s) u% a) H
set i (i + 1)
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let k 0
- D" x' r3 S5 E3 B/ z$ @) d; Hlet new1 0
( k: n* M* L! m# A$ Uwhile [k < people]
2 }$ E" Z8 J1 p$ {# L% X3 b[
_9 I: m, N, Q$ H# I0 M- n% Hset 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)
& h; z) |4 f- |" oset k (k + 1)
6 J. w& ? P5 S, {* T4 J+ p]
) l' j( g2 N. i dset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
9 k- y- Q; c, B& _! qset global-reputation-list (replace-item j global-reputation-list new)
8 ^* a' Z: N9 l2 O) jset j (j + 1)
7 o$ ^ X* e) t$ A- H]
\ V' K$ A) [# I. k$ Tend c; s7 }- g+ ? f) K
* X" _" E" K, V6 }4 {: |* C* U. v( s$ g. |% x
3 P" u5 T% O3 i j( Nto get-color$ \! E D6 a& i# J4 k) }/ N. J
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set color blue7 G9 w! {$ R/ D6 M3 |6 j
end
% M# O$ W h- l5 h# Y& h, g# }& m- {/ W, |; B4 }1 g
to poll-class
# J. A7 @, Q9 l7 f) i* Dend
6 c$ r: k$ j0 {: Z# k2 _; ^& M; a' d d1 L
to setup-plot1
( j! |* i$ C1 l+ `$ [
' P( U: K! U- r6 X) s- aset-current-plot "Trends-of-Local-reputation"6 z" c/ ]" c% o& X# P1 R
( u' B) G3 o" M/ M; _/ yset-plot-x-range 0 xmax
' x B/ b! U8 ^8 Q3 \4 H
" u7 @3 ^7 f, H! Q+ A: v2 { Hset-plot-y-range 0.0 ymax9 R% A0 E7 L$ A6 w3 P/ H4 Y
end
4 ?/ l+ L A" x4 g* `/ E+ l" r$ N# e+ S4 F
to setup-plot2$ C# Y# Y" A. `! j& T0 ^, C: H
" V- v1 _4 i0 u' j8 S4 L2 y3 D" mset-current-plot "Trends-of-global-reputation"
9 h9 r8 K- J& H, A+ E& Y! l! _" S1 p% W+ _3 c7 c0 X; _
set-plot-x-range 0 xmax) E! i$ b* s+ O r
" _, o* X+ y3 |1 L3 |8 E7 W1 V0 V
set-plot-y-range 0.0 ymax
6 y g& o) V5 R0 X, ^& q# yend
$ I7 V5 J9 c6 m7 I2 a
3 U& p, y* h* @) M3 oto setup-plot35 t9 g' v _6 r* W* s
- {! _) Q& r. l! e- Gset-current-plot "Trends-of-credibility") b, P& F8 e7 s6 r# H; k7 B
, `! E5 X7 s! U* Xset-plot-x-range 0 xmax
' [# P3 E, c: F! O4 U1 g; l! e9 s4 |1 L) k3 y/ u
set-plot-y-range 0.0 ymax
0 f; Z8 y. r, p/ pend. b! I9 A3 J# ~) [
& g$ b1 F. [ s1 S2 P* {& t
to do-plots
0 e7 [9 \/ ~% r" H# `1 wset-current-plot "Trends-of-Local-reputation"5 f' `( y% ]7 @8 k2 L2 T `1 n" K" z( L
set-current-plot-pen "Honest service"
1 E: v$ y$ }' J1 c. jend
4 N' n3 c2 f0 Q4 n$ {
0 }7 [' G0 ^/ c1 S$ _# a: b, U! |[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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