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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
; f0 z. r) [/ rglobals[" `. |6 u$ [$ J* s2 f; t' \
xmax
, J; M4 O) L4 Y+ b- |& W9 _4 o* @ymax
# U: N7 ]. A% g. R' K/ g, ?global-reputation-list- v. d5 N2 G+ k
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;;每一个turtle的全局声誉都存在此LIST中4 C' x9 \, @9 U1 ~9 H4 `
credibility-list
( b0 X: d' O# c2 e" l1 h3 `5 M;;每一个turtle的评价可信度
) `0 p' k7 I4 u! f3 N- c, Chonest-service
6 w2 N+ u! I4 F5 H8 G7 F1 j+ t3 bunhonest-service/ T- { A+ O, ^
oscillation: q' _: c5 R/ q* y5 O; [$ B
rand-dynamic
3 ^* c5 p8 B' S/ c6 L9 C' H3 M; w]: \9 E- N" t) P+ b, M
2 r+ i( | U3 v, D2 A/ T: G: Y4 \) A, Vturtles-own[
. x8 C( T5 r1 M$ C6 }+ B3 Vtrade-record-all& \. S3 w: C8 G, K+ K; Z" }5 {9 w C
;;a list of lists,由trade-record-one组成
. t. h( \+ _5 M Z; U& n$ Vtrade-record-one- x9 e2 E* I* H
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
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;;[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]]
1 Y) z0 m9 ~9 W @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]6 w' H8 f# X, f% Z$ v: B- v+ L1 X
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list6 ^" ]+ J7 Q ?
neighbor-total8 d. u4 h- w, h+ s
;;记录该turtle的邻居节点的数目% u4 H! k5 ^8 t; E" K7 H0 @
trade-time: s- S) q2 ~8 r, L
;;当前发生交易的turtle的交易时间
, J7 C# V: z( F/ G/ E3 `appraise-give# y: B. s9 O p, I2 q! E
;;当前发生交易时给出的评价
' x& s0 A5 D, o! t: j& Y2 z6 sappraise-receive6 h9 j- ?# B8 q& |6 X
;;当前发生交易时收到的评价/ c/ f4 T; W' P+ u
appraise-time
; o9 |% v( X( E) ?5 o;;当前发生交易时的评价时间
* B: B( t; C- V) Plocal-reputation-now;;此次交易后相对于对方turtle的局部声誉: D* A" R8 g; n- d$ F4 V8 b
trade-times-total
" j+ d5 p/ q1 e" p$ };;与当前turtle的交易总次数
, g$ ^0 O9 ~8 Z& q4 T3 gtrade-money-total0 n! f% c1 J$ K; t4 L
;;与当前turtle的交易总金额
3 `3 P2 C s+ @$ Q; alocal-reputation
4 e7 r8 C s' |1 R% F, U7 `8 ]8 `global-reputation/ z( { N l5 Z; N/ c* C
credibility, {( `2 _ f( J# g6 N
;;评价可信度,每次交易后都需要更新2 I0 N7 s, u( E( I2 y6 N
credibility-all2 W8 p: X- l" u7 J2 u4 @
;;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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8 n6 f2 H, p. A5 Q3 @, `;;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
: P9 t3 |# P3 r) E- x8 E+ Pcredibility-one
/ Z0 v- P8 v- @. u6 r- s2 M& ~;;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
5 B; f& S& T. N7 n0 y7 Tglobal-proportion( r) l0 n' _; s( W, z
customer4 W. p/ J+ f9 o0 n9 z* n
customer-no
6 A) a# O! Z# l( W3 @/ O3 Jtrust-ok9 d) t- y6 `& a0 K7 M2 ]; q
trade-record-one-len;;trade-record-one的长度0 L/ p+ X: F+ `* g" p
]7 N2 R6 ~ \! g5 u: w
( H, [: X3 a3 g5 `) G;;setup procedure3 ~6 G, n0 i. \3 k
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to setup# ~4 k, n6 M3 R
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ca3 X8 |! g* F* ?' A! M/ `
+ ~7 w% n8 C: j; K0 J6 }' p" yinitialize-settings
: k% @; i8 N& r# K
, Q( r9 s1 P. ]$ b9 a: [crt people [setup-turtles]* G. m% [( Y1 \9 x9 L5 ^3 N
7 ^' C$ o3 k0 T+ G3 R ?
reset-timer
4 R; w5 n( X( b# p
7 n2 W" G5 f& k( q+ ?( ]poll-class
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setup-plots& h, E7 A+ Z: j. \
& G0 j! l' m2 b4 n
do-plots
, }/ I- p$ y7 _) e* oend, _" }" \2 r _/ N: F. I
$ x0 Q0 {: I0 ~$ f0 G5 t5 E
to initialize-settings
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, m6 `2 v0 a ^$ p/ w" ~set global-reputation-list []
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set credibility-list n-values people [0.5]8 r$ y W! R# b+ N# B# ~
7 X; p1 z' |" _" z7 _6 w8 f# Hset honest-service 00 N& @4 t/ I6 |; x
4 W: a" I+ l; A1 t) L M1 ~
set unhonest-service 02 Y) b. g. \0 q' ?5 x
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set oscillation 06 r" s3 R v) T; g# T+ R9 R% n
/ A- P4 b; ~) Z2 |" p& jset rand-dynamic 0% ^( E2 i8 q7 O. w ?
end% t* _: U9 r4 n; H* M: p* j% \0 a6 u5 Z- s
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to setup-turtles
5 ? Q; |9 G: e8 c' q; Oset shape "person"
- ]0 H; d; t! B9 D' c, ~setxy random-xcor random-ycor9 H; m9 Q2 O3 g: g5 z" N) `) q3 ~9 a
set trade-record-one []4 R' C2 `/ ]9 v6 h R
; C1 m6 a: D1 w1 p% lset trade-record-all n-values people [(list (? + 1) 0 0)] 2 W6 G4 q0 k [4 F1 k8 B4 o" D& E
2 }0 G; U+ R5 F1 H! I4 cset trade-record-current []* i. g9 H; H3 D0 e; s7 T. x/ |
set credibility-receive []
- L7 ~- v( p! X) g4 @) Lset local-reputation 0.5
' e4 L- s# [/ d/ a/ ~& Xset neighbor-total 0
1 r5 M+ U, g( R$ U8 tset trade-times-total 0
- q1 A5 B1 D4 f/ I; Z8 y& eset trade-money-total 0
% @7 I, H* J! `7 z. Hset customer nobody0 H! Y1 W, H7 z0 [! I
set credibility-all n-values people [creat-credibility]
& _* x+ d3 a( J2 [# t# h. Rset credibility n-values people [-1]
+ t$ t/ d7 f! K3 r$ Iget-color
% F8 |; z" X2 ], i- \ Z3 n& ~6 u# X' U& s2 }4 B
end. F* P) b2 f0 F* Y9 g' J
3 W9 w" B+ E+ J2 P3 p; j
to-report creat-credibility
8 Y9 j7 t. b! f+ x: S9 Vreport n-values people [0.5]
% }, Q3 T! j) H( R9 Iend+ X, x# s% [4 X0 b9 p
/ j9 s1 Q4 q/ c0 Q2 Uto setup-plots9 ~( Q8 R: [* b0 m
# e* n5 T4 S# @set xmax 30
P t4 t& l) ]6 l8 U" I. F5 ]+ @7 M' m' N
set ymax 1.0
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& \9 g3 t. q% A% xclear-all-plots' ^# v: B. O6 _& x" G! J
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setup-plot1& o6 N$ }5 s7 z- X
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setup-plot2
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- o+ t8 u8 a: Dsetup-plot36 U% q: d" W- W/ I. `
end1 d4 |$ ]" |7 v" ]0 v0 L9 L8 w
; Q$ D1 Z6 O" q( x4 A2 {. a P3 J
;;run time procedures
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to go' G8 c+ r$ Q# T3 ]. \
! i! y" o. L0 ] k+ b
ask turtles [do-business]# e# \ }) ~8 A- ]8 K- U
end
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to do-business & _& @' }4 `7 \, l- o: |
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s {/ r5 ]. O5 ]& o
rt random 360
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* e9 v* z1 V3 @2 p+ sfd 1 P, H! T1 G |2 W# _; t& [+ L+ ]6 o
% D6 g" w- I) _
ifelse(other turtles-here != nobody)[
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/ x) v( ?! `. t5 z/ `( B4 @* xset customer one-of other turtles-here3 v# S+ t [- v8 ^3 e
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
/ f* D5 J2 w$ a- r) i/ O[trade-record-all]of self9 \- S0 t0 j' h x7 A* L
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
1 b0 q4 g* `0 f
6 j' p1 B( z$ x7 Cset [trade-record-one] of customer item (([who] of self) - 1)$ A$ B2 n* i# W8 b( [$ @% z+ |2 b+ T$ |
[trade-record-all]of customer
2 M- c" ]/ h. o
1 K* t+ G; k: p7 l# Mset [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))- ], `' p3 l' C7 }
|) F+ q# T/ Z& s( j: W3 c. Dask self [do-trust]
: w% F( d# F8 n% B: P;;先求i对j的信任度
{ n6 R9 e3 q/ V. F
6 u( N" f" f' Eif ([trust-ok] of self); H) k/ J+ Q0 y6 u2 L
;;根据i对j的信任度来决定是否与j进行交易[
$ Q6 f' J: e1 C; [4 v' cask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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do-trade
* R* Q9 ?- m% ~" V4 ^9 ^) E* F0 ]+ q$ g, `2 P# h% A+ `
update-credibility-ijl
2 ~0 q3 X% W. C1 L$ p+ N7 ~
: z" o% g5 M# j i) mupdate-credibility-list0 [5 s; |! }& z0 p
- c5 R- ^4 J K f9 x& i
6 X Z! L( }, uupdate-global-reputation-list
/ @0 L/ ~9 m' d# p5 D6 p2 r0 ^( }# x' n: {7 r) F6 P3 ]. p, o
poll-class
6 b! r! u; u/ I: o4 U9 ]
3 H) V* I3 z+ Qget-color
9 z0 B; Z) |" p
, \! v# L; D8 s9 t0 L7 u3 R% Y]]; q; \# f3 X6 g3 A
7 ~# T5 R ~: ^% j) W( t4 m! P, N;;如果所得的信任度满足条件,则进行交易8 M; ~: R; @# Z2 h/ b, K
4 c) G9 q8 {3 x
[* E# w" m9 |8 l- P# v( u
' K& X+ _5 _ \: W D3 n, k( krt random 360
$ s, ]2 e* Z: j% W" A
# L' j/ M) E8 Q' h' Wfd 16 I ~/ ]* |0 y' l+ O v) X
& _- [, g0 M2 e5 h4 P# ^
]
* m, }0 I8 U9 }) E2 M' b1 V$ S: z1 @' ]% b' o5 p% v
end3 f* X& d1 ], J& }8 c2 |5 X
; p" t- k! A: |) T. q! E% O- E. S
to do-trust w) t* t3 z& p& Y* u$ |' B+ A- }
set trust-ok False
6 C1 u: `) B1 G i2 J6 A' S* O% l5 z' ~; P, M2 U
) s' W6 ?" V9 h& Y( olet max-trade-times 0
+ y# E( ]# ~! a" Aforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 g( p/ {9 |; k, l& A/ glet max-trade-money 0
: p, M, f1 f) aforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
0 g: o4 c$ S. Blet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))9 R! J, u5 f- u! C. f, t$ C" W
) E8 b6 z5 d/ E7 r/ R. Q
, S) @7 b2 Q& b' a
get-global-proportion
) ~4 G! H3 Z: R: X2 _; {1 V. Wlet trust-value
9 }) ?7 x, I- llocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)0 }& j! a$ q! l; ]# w
if(trust-value > trade-trust-value)
; o, B1 J9 k* s n[set trust-ok true]4 u1 I+ F3 E6 X) u6 {7 L
end
. S$ N9 K+ P; ^$ Q s' h
$ R6 ~$ B/ l# Sto get-global-proportion8 P( x( |: O; D3 ~4 N9 K( U& }
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
- Q6 k5 o$ u5 @' f8 q( R& }3 ][set global-proportion 0]. `4 t$ Y0 n+ M: ?$ ?& q
[let i 0
. w) u- N# e+ Q% r( Hlet sum-money 02 e+ i& H) T' [: ?4 o
while[ i < people]/ G4 \5 d. B# Y
[
+ m: g7 `. t' S+ y9 \! Aif( length (item i
9 X7 [; I7 M+ ^: n7 p3 b[trade-record-all] of customer) > 3 )
; o d( d: ^& M$ u- ?) H[
# t% ]) x( b" J, R5 Hset sum-money (sum-money + item 2(item i [trade-record-all] of myself))0 Q9 f |# h+ Q! q" W& O
]% O$ V) t$ _( C: Q. R
]
; m" l( R4 e9 Xlet j 0% Q/ e8 T3 a* _" }1 s% T
let note 0! G8 [: m: r. e( i: p
while[ j < people]1 g6 C/ w; O( T6 O. G( Q9 i
[
% |1 _. {8 I7 _5 f8 x! Cif( length (item i
! X( O# [1 g5 L$ [) G( @, g1 b! i5 ?[trade-record-all] of customer) > 3 )
& d! E9 P4 b8 T- B[9 V9 U3 Q6 x8 Y* I( a; ~) w" x4 n
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
% G+ P* q. [. a6 {[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
2 a/ |9 g' d8 F6 X% D! ?( ^[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]% ~3 t" u( z$ F- Z f1 H5 }
]) C5 I" d0 @9 j. g# Y
]' V+ M: m/ h3 z1 E! w6 H1 {# W
set global-proportion note; M! f( e* @- P" t7 Z
]
+ z/ C# u- L, m6 ^0 `end" j: e$ v# p+ @: P9 b6 }4 k% e( R
1 i$ C% ~7 k0 f; wto do-trade
/ ^' }+ S# `1 F5 E/ t;;这个过程实际上是给双方作出评价的过程
, z0 R) l- n7 s: {* _$ l2 }set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价+ h9 j+ D1 a' E6 E- ^3 M4 K
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价+ d, Z) B3 X7 \- T# F- {
set trade-record-current lput(timer) trade-record-current* O" u$ \" m" d9 A8 X" G5 b" Q7 a/ p
;;评价时间' B2 c$ U) ?) ]4 @2 p
ask myself [- I7 ]) Z2 r$ v( Y# A: g5 s' X
update-local-reputation
0 |7 k- ^1 r: b4 t$ Lset trade-record-current lput([local-reputation] of myself) trade-record-current
8 A; Q) s+ I/ E g; T# H6 z. T]
+ H+ R; ~8 `7 Dset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself3 y0 Z* @' [3 ~/ b
;;将此次交易的记录加入到trade-record-one中
4 t! P( p# h$ i# o, S+ Mset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
% n6 ?% S% I. q3 ^9 [( w( m* Vlet note (item 2 trade-record-current )' J9 E& r* @; n
set trade-record-current/ C1 S: ~) C0 z3 Q
(replace-item 2 trade-record-current (item 3 trade-record-current))
1 q! {7 L1 r' G: w6 N. Gset trade-record-current
l8 Y3 ~" Z W8 Q% G2 S(replace-item 3 trade-record-current note)) @5 u# {$ w4 c* ~# t" }/ B
; j6 R: f5 g3 u6 S/ N! k) F' v8 `6 o1 ~" x. |" q8 l; E# A. z: B6 I
ask customer [$ r" ?( c/ F8 |" d
update-local-reputation0 k/ ]7 T, A/ `# g
set trade-record-current J$ L" s$ T8 f1 e
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
5 n: E" y/ M* s]3 h9 r( Z+ I( z! i6 D' T3 x9 Z
* X2 T4 {9 ~" ]0 ?( X$ F9 R( L
; B: i: d+ ~: U, w' a6 }3 ]* uset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer: |, N& q1 v6 i8 |4 M
8 O$ s, |8 Q( i) z6 W, h
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))8 s* d9 L, E. ?. R2 K% c% l
;;将此次交易的记录加入到customer的trade-record-all中7 [, L' g4 e C/ P& l( ^) f
end6 l6 W8 }) z0 ~: g
2 ]0 y+ m: k+ ^& i0 D6 Y6 J$ b
to update-local-reputation8 \0 V5 g# o0 `) t; ^
set [trade-record-one-len] of myself length [trade-record-one] of myself
0 S( Q. x6 q. y* }! y t
0 D, ?% k" S# J* x1 A8 g' O0 }" w- }& K
;;if [trade-record-one-len] of myself > 3 # D" E" b8 V. x8 \. E' n& f$ W
update-neighbor-total
0 a% _# `2 l: _9 U9 P& F2 k% R5 H;;更新邻居节点的数目,在此进行/ o9 _3 B$ ~' A! U; ^$ U/ F- p
let i 3$ l) g! K9 j5 I& O) U; Q% n0 U
let sum-time 0: z) W% E) M2 A8 l. H
while[i < [trade-record-one-len] of myself]
+ } g3 r* e! X9 I, d1 D4 S! m[
& _+ E/ O# V2 {7 L% Nset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )- v* j U; Q+ g0 \4 P
set i
) ^- E( M5 f% D: z& x; m8 g( i + 1)! B6 N+ G5 c+ d9 o
]
( @: d$ r. G8 Q* glet j 3
- B( p3 d) ~& nlet sum-money 09 H. g: B0 O; H' Y
while[j < [trade-record-one-len] of myself]& ]! T" A: j7 v+ \( A
[( R9 n9 H* O7 ?; i7 m% `! Q
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)
7 n. p9 p/ L7 I3 p+ O2 C3 sset j9 \9 x) K4 e8 h4 f4 K
( j + 1)
8 b1 p2 h* Q8 P/ W4 Z& |! l]
( M' `9 L" G4 a5 j8 z! g. Olet k 3# J5 k: L& m5 v
let power 0
$ e6 N# Z# K- y( Mlet local 0
. g2 s$ ^, s. {0 w$ G1 Fwhile [k <[trade-record-one-len] of myself] _7 L+ H; Q9 o+ M
[; T" q7 b2 H) {- V8 {8 j/ M& s! G
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) " X* B3 |; K! z# @
set k (k + 1)
# r; O" d, j. e6 \6 u7 ]]
( o+ y. U$ |4 o, f( L) Y' m# K7 Pset [local-reputation] of myself (local)
, y( r) R6 m! D- k! nend/ v! N7 p/ P) T/ {1 V/ _& G
: U) \7 D2 |* C0 p8 V( r6 k; v/ C, K
to update-neighbor-total& b0 [5 e2 Y; v4 Z( ?6 C# F: b4 q
# H9 d# P3 S- `8 k% j
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
2 U3 z& ~2 C3 z9 {5 `- d: ~6 p7 U4 h3 d5 O# W. { [
/ K8 u, @* k. g, |8 p- C) u
end( X0 S3 L' ^/ [& b1 B
7 b9 _: [8 c1 L$ jto update-credibility-ijl $ g' J3 _% X. |* ?$ T
. G/ P, z, F6 H$ s. d;;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。: d- Y4 L( V7 w/ Q6 o& w
let l 0. R* A' J: T4 K$ ]. N
while[ l < people ]. w, P( s0 b7 I/ W& U- P; V1 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
# ]8 Y" P( W; [$ j) S[
( A6 M/ B$ E o0 |3 E4 Q/ S4 flet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
; q0 f$ k1 f6 q4 [if (trade-record-one-j-l-len > 3)
" O9 {- h/ e7 S+ Y( K8 \# X1 k[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
! d7 E" |+ J0 o$ ^) F- qlet i 3
2 b2 Y/ G! _) r" Clet sum-time 0
# B, [ I6 O0 |# s: u: O" |while[i < trade-record-one-len]) g+ O) ~0 _9 B7 Y
[& S8 _ x; M: \. L- @, m
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 y# C. a _, o8 q; r
set i, g# Z& E# r, ~/ u Q4 H2 A. h
( i + 1)
' R" z& l+ k6 L5 r]
: d6 r5 G+ M! y' s+ Clet credibility-i-j-l 08 s+ S& L) V4 K6 u, P
;;i评价(j对jl的评价)
( D% V \- U) I+ H/ F9 b- C; w3 v6 c% nlet j 3* u" ^: |1 e) L J% o i' W) J
let k 4
6 y8 w+ L6 B# r$ J/ `7 Z4 v, q8 Zwhile[j < trade-record-one-len]* y, }4 G9 ~' X& Z2 k) E
[. M7 Q4 l% S! B7 n7 o) \- y
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- \) u1 k' H X; @, O7 r8 ^/ V
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)
- L! H* [/ e: }6 Vset j
; p5 V4 m9 K7 E: \& ^+ l( j + 1)6 K. u3 [6 j/ q! z! k
]
( {" a- R7 M- f3 V( d# L: Nset [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 ))
8 A* T9 m; u z6 a% X8 d& Y0 @& ?# s. b- N
( l6 y7 H' ]9 b; y2 @let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
3 _' ]3 w/ K. H;;及时更新i对l的评价质量的评价
8 ?8 H9 l8 F& {* y% |4 Gset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
" \) ]- m( h0 N0 |2 \set l (l + 1)6 N: q9 J: g+ P( }
]0 x0 T8 t; n) e
end
# x, d% Q* p A1 t% J3 R' R8 L
) E" S) L* i1 x8 H* vto update-credibility-list) s! U9 D6 M% ]* z: x7 i; [! C
let i 0 {# q4 H* `% ]2 H
while[i < people]$ p" t/ `1 `" j5 r8 {
[
6 S+ h9 b, O8 Z2 S& J% t2 \3 ilet j 0
4 ]4 t8 ]7 N% {+ e; D& ilet note 0
2 ~! |7 n' ?6 F# d" j0 O: Olet k 0
& S! ^3 V& y9 H8 |0 O;;计作出过评价的邻居节点的数目; }3 b2 n3 Z% t& h3 P' x
while[j < people], G0 H1 u, O7 g2 Y! r% _6 t# ^
[* Y$ r+ u1 f4 y/ X
if (item j( [credibility] of turtle (i + 1)) != -1)2 ?& @# a. h# y+ b1 G' `9 O
;;判断是否给本turtle的评价质量做出过评价的节点: z+ k$ c' l& N, f* F/ U! p
[set note (note + item j ([credibility]of turtle (i + 1)))6 V: W( E/ k$ H
;;*(exp (-(people - 2)))/(people - 2))]
- L6 ?4 M8 R, j5 T! iset k (k + 1)
* V* ~7 T/ C8 S. L]
E9 W2 J2 D, \9 P2 V6 N2 {4 Eset j (j + 1)* l: B. t6 G. e" ~
]. I5 U* d) t, N! T- ?7 E
set note (note *(exp (- (1 / k)))/ k)
) _4 V. U, J- d1 V, Uset credibility-list (replace-item i credibility-list note)
' W- \6 _: N: X Cset i (i + 1)
+ J1 n) s) b1 | B5 F7 R]# e2 K4 k& d4 f; _+ Y0 i
end" E6 g; u4 K Y8 ]' a
) |' s( H* g5 I& b# ^to update-global-reputation-list
& `' o5 C K% [' z, |2 slet j 0
) `6 \( R! d% q2 x7 K0 g$ nwhile[j < people]; U( ~) J' c) W2 C1 J+ s- N3 ]) {
[! T% `; E5 ^8 I% \' V! `
let new 0- s ? x0 {+ T" c0 H" ?
;;暂存新的一个全局声誉9 e3 r; h) T" l& Y) `' K+ y
let i 0
2 v- w, B; G% J+ f+ X0 y5 Hlet sum-money 0
' d5 J$ I. F9 ?) \$ J: q/ A% a' c9 ~let credibility-money 0+ g1 d* \+ w8 d: m
while [i < people]0 X3 F* Y* V% P8 ]" A' n; W/ o
[$ w3 b+ S! k7 V3 v' B
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))0 H4 E0 Y& O! m% p& H- O9 g
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
' Q/ ^) P; h3 j1 y, ^' P8 Aset i (i + 1)
) V5 x D% r4 i" @5 q" ]/ \% T: Z+ W; t]
0 b$ Q* a: a: N# K( G+ `let k 0
; N: A5 `* H- y7 Y! klet new1 00 B$ K) _% y6 t3 K: f; _
while [k < people]
" @) X9 Z( {2 e1 M[' P6 ^* ~7 `7 n' |+ X* {5 J
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)0 G7 |9 E, ^4 A( e. M+ S: P
set k (k + 1)" E Y) ~ ^( j X0 F
]2 }$ ?% o3 |% J
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
* C" Z6 m' s: rset global-reputation-list (replace-item j global-reputation-list new)
0 e, ~# ^+ x3 O2 ~( H& Lset j (j + 1)
2 y, X2 ?7 n" e1 q: h, s$ a4 i* l& o], R+ i% ?1 i& o, B- d
end
& a& A4 w m c* a# \0 o C/ u* z" X) _0 h3 a7 g& Z! }- z
; R, j N7 A4 N! h- l
A/ @4 F- Q3 D5 M, L) l4 Oto get-color
& E& j6 |- ?& r0 }7 Y- a* m1 {' B( |# h9 x1 o" B, X0 A: ~
set color blue
# }; V- h* {; Dend
4 @1 d! a% k8 W- T3 i8 {) i9 z& Q& \4 ? J: g* _0 h n
to poll-class5 L- U: f7 O% O; @6 q; o
end
# V# s8 t/ `; `: ~; |
v% w' G2 b7 i$ O% ~1 x) Nto setup-plot18 d' U- h1 O Z9 t2 E( o
' k7 j8 ]- q" Z
set-current-plot "Trends-of-Local-reputation"
- h9 [9 m8 x/ ^9 A' p; S0 G7 R5 H2 ^3 j, I8 b/ k2 e" Y
set-plot-x-range 0 xmax8 u' N' ~9 Q }" @! r! {# u, Q
' K# c: t2 f/ Nset-plot-y-range 0.0 ymax
% A8 M- {* G/ q% V# n2 Bend! Y8 L9 e$ v# I
# L1 H+ n0 k% k7 @# V
to setup-plot25 X/ h: ?. Q: j! u$ Y
& {- X* d7 m% y7 C' m0 u3 aset-current-plot "Trends-of-global-reputation"
6 x) O6 z: \% x% D3 }5 q* D
( `: _% ~6 D3 c+ C0 y eset-plot-x-range 0 xmax% p' y4 w6 K. E6 S
) q6 q/ W; _8 B6 K T. v6 G, bset-plot-y-range 0.0 ymax! }8 `4 Q: G+ h7 H, {8 l. e* x" D4 k
end( K! Y$ R! x7 t0 u
/ d. {2 J# L; t$ ~
to setup-plot3 C/ E- K y% e, u r
6 e' b1 {6 s9 R' o/ P( s1 ]
set-current-plot "Trends-of-credibility"1 u/ v8 @# K6 s1 y3 H& u# t/ X
$ _+ A( L: B# H H
set-plot-x-range 0 xmax
: W) R8 s) t# ^# q" {9 G4 X" ?, B$ v4 t0 t0 F x" T" w
set-plot-y-range 0.0 ymax1 z8 J- ] K% I* Y/ B6 x
end1 e# c w$ I4 O$ s7 r+ [9 h
. a9 j" z P. q# q* x; ?. L; c
to do-plots4 a2 c4 _; u; o8 f: T9 @7 U
set-current-plot "Trends-of-Local-reputation"
- i( U# l% s- f8 S: Pset-current-plot-pen "Honest service") F6 p" |8 } n1 Q' k# o1 q- G
end8 |2 @( v7 E& e. R9 K
2 f( r+ b& w3 |[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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