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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
' x" n1 {5 U y- g3 U3 gglobals[
* n* T7 |8 u2 O& y+ w, Pxmax
3 `4 o0 c. U; s: E @1 vymax
+ g e( z. N, S' p' c8 Oglobal-reputation-list
6 G1 K" o6 b7 \5 l O! k: |4 h6 J- S# N+ n
;;每一个turtle的全局声誉都存在此LIST中# D% ?- Q: R; s( T9 l
credibility-list. ~1 x( p2 l c0 I l% @$ G: k
;;每一个turtle的评价可信度# E+ M- n! L `; O7 t- x3 X; W5 o
honest-service1 ^7 E( j8 i; m6 _
unhonest-service
8 _0 E$ n5 r u6 l0 Hoscillation6 P. I; q& ]$ O- _3 [$ X: v9 ~
rand-dynamic. j8 V e1 c& w% m
]
7 R4 Y% {3 }1 C+ q2 y0 B
& Y; ?* D& g+ E0 Lturtles-own[
7 j8 X1 i9 F: X5 }9 i. n. ]+ ?trade-record-all5 ]2 h; [- Q1 k9 P, ~) V0 e' V- b
;;a list of lists,由trade-record-one组成
0 O, T# s) Y7 F, atrade-record-one
% R6 [) r* K* [$ y, P5 k' Y;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
9 k. s, c# D: c* T
, [+ V5 g+ ]/ W6 ?;;[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]]
7 l1 A# ~9 e. r |: d3 K" m% ?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]1 z0 `5 ^) [$ C: \
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
& X! t; `8 m; P8 Z' rneighbor-total
6 u+ _9 T1 f) |- U;;记录该turtle的邻居节点的数目8 U0 A( I* ^- d# C+ | A
trade-time
' X1 o0 C. V% J6 W5 D+ | V) y! H;;当前发生交易的turtle的交易时间
- y( Q( ?& K. q; ?appraise-give/ X; t8 F5 r' k9 j% y F9 t
;;当前发生交易时给出的评价3 l9 O7 R" w; C7 E4 F5 w* Y, t
appraise-receive
* C9 o) L% D* Y" ?9 Y;;当前发生交易时收到的评价
/ ^/ j. \, y! b" h$ Happraise-time
' K: x* ]; m; G# l) _;;当前发生交易时的评价时间
4 w: s( _; T2 w. q" ^! {: S7 Wlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
# t E6 N: \# ytrade-times-total) n) p. J0 O4 D3 r! K6 a d
;;与当前turtle的交易总次数
2 o7 y/ v0 C( l1 ]9 Strade-money-total
, T0 O3 Y8 A; P* X, C;;与当前turtle的交易总金额
! y f' X) |2 V! g, P$ x% n! u$ m2 \$ |local-reputation' b" \& \# R# o, J$ N! k
global-reputation; W; s7 ]. S& P+ [. `* z
credibility
! o) _( `& L$ H9 C" A9 w- h0 e W;;评价可信度,每次交易后都需要更新; ?8 L) y1 \* o# u6 s# o. l2 P
credibility-all
4 K8 m9 p+ L& ~/ H, b;;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
" u; R' _% z( V2 O9 l) @" F% t
* t$ u- T; f5 W$ i; t8 y* p;;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0.57 g7 b$ K5 O8 q) @! f+ Q, @
credibility-one, v- M- B7 j8 o6 _. i5 X
;;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# u: k0 ]$ S9 k5 L P$ c1 J; b& Z
global-proportion9 S9 \) N' y2 A3 i3 a/ H
customer
. i" j" i0 g5 }8 T8 I, _customer-no( x u6 O& l4 c6 q' a
trust-ok% T% z2 F+ K! e
trade-record-one-len;;trade-record-one的长度
- P- y m9 M& |9 ~, \! Y3 t2 t]
, K2 l/ \5 s3 t. n$ v. A! F1 x0 S( D# ]5 I3 J5 l; t
;;setup procedure
& k6 {) v- S8 W) ^3 `4 |9 \* O& X) d+ `3 \4 h- p0 n7 j$ s& F
to setup: y/ h% [, i6 E! }
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ca3 f% t) d" i. s
8 \' b/ c g4 v9 r! g1 h, v
initialize-settings
& g/ G' i2 W: _/ B9 s
1 ]. u% E! P1 A8 n9 Hcrt people [setup-turtles]+ }3 X: P7 h% Y2 F! {
9 X' q, p+ x6 [% r/ D' u" Q
reset-timer
( q4 n& A) P M# l2 W3 g g n% r$ @1 z% @' P
poll-class3 A9 J, B! D" L/ Q
) T+ l' i7 ^/ q) G1 Jsetup-plots
$ p3 _8 }( a4 F2 \3 B; D0 y! _
1 x& m0 c4 ~. B' s. U4 L/ K2 A. gdo-plots
! y+ g3 t: o. v# L# Lend1 ^) c" D% x; w4 @
1 E1 l: B7 R ]* k6 h& T* uto initialize-settings( ~0 n8 [! w/ ?! W5 c
+ X3 g+ ~) Q4 R' cset global-reputation-list []: q# K0 J" _) z: J% _1 R( C
8 E H" q5 g5 t! }. |* F5 {. pset credibility-list n-values people [0.5]
7 |. J3 m2 d. i5 l
1 S/ L8 O5 G" {& Kset honest-service 0
1 G. |" n( s w5 o# O+ ^( q/ Q, u/ |4 d
set unhonest-service 0
& Q: f- F$ y. U. h4 ~0 A6 M1 g1 O: h+ i# ^
set oscillation 01 a0 Q+ Y, c% s( k/ l; z
8 H( y3 a$ Y) ?! X8 u
set rand-dynamic 09 k ^- ?' b ~
end3 ~6 C2 D. h2 X$ I7 V9 Y; Q) |
2 v8 U8 M R* Z$ a N
to setup-turtles
8 j1 l6 B6 v! Q! r3 h" wset shape "person"
" G7 j" i# h: e/ {setxy random-xcor random-ycor
! J0 S9 u9 T3 [& y: q' R1 vset trade-record-one []
1 M1 Z7 `7 y r$ g, t7 k9 N. R. m, h. Q, l4 B$ n! V
set trade-record-all n-values people [(list (? + 1) 0 0)]
4 [; D" p' L$ ] \& H- ?" T
. k) w5 y8 ^/ A" @; k- dset trade-record-current []
2 o4 O# M& S3 f% g3 ^! tset credibility-receive []
! q4 ^7 s0 L/ b0 ?( Jset local-reputation 0.5# s" Y' M6 w7 y
set neighbor-total 0 a+ _- z" ` m% m
set trade-times-total 0
; e3 I R/ H2 I% s8 Lset trade-money-total 0
, L o9 b7 p( ?6 T" Xset customer nobody
7 R: k1 p. y& h( Bset credibility-all n-values people [creat-credibility]
/ f; H- U! n" |- c" i; nset credibility n-values people [-1]. T) o! {( ~' K) K3 w
get-color/ z2 r% j5 l. P8 U' y m' W
' t# y! n# z4 Oend
4 y- N2 H" L: R7 c* v" F" X5 I5 y
to-report creat-credibility3 m9 y# Q6 U7 Z2 j7 W/ @5 i# K! T
report n-values people [0.5]0 o: ]' G a6 Z
end
# t+ f& _, ?6 s* Q- g: |: [! v1 f* f6 D! e, N6 y) `1 I
to setup-plots, g; u+ _" i( k* L! k5 K$ r, h
* v( u: s) ~5 {+ Y1 dset xmax 30; Z! T0 i) N8 Z; w
1 R! b) B- p/ `% Zset ymax 1.0
0 Q5 r/ d; {% B$ }
- n, a8 e4 A( D! B; }+ `" Wclear-all-plots
% x S; [5 p! o4 o5 g6 }2 ]4 R1 x7 E. Q$ A# o2 d: q: s
setup-plot1# H/ N8 X! V8 S# M) v/ G* N$ k
) T# g4 q. ~9 p* N2 p- ^setup-plot2
' [$ c! n+ N5 C
1 _4 Q" J" F' `) c" u8 Y3 \ Esetup-plot3. H3 d" [3 q, ^: K& q) q
end
5 I$ ?) ]5 m8 Q, x5 t% V7 [& g/ T0 C8 N- e% o: a3 i0 Q j% |
;;run time procedures
* `: n) H! \# g, g( T0 Z
: h+ `: o5 m5 x$ lto go# n5 ~+ \8 `& b1 j- @8 z
: k7 X! ?6 k) n5 q8 ?/ @0 |ask turtles [do-business]% f# F5 g6 n9 j. x7 \! g
end' F' l: c1 R3 C7 K0 ~
8 M1 ~' v& v% g/ h* [5 gto do-business 3 }% p R" ~2 ~( P% P# e1 N
) L. n" F- P$ J3 D0 f4 B
# Z1 r0 C) [8 C$ g; k- ~( c! ort random 360) h+ L9 q) H: p( q4 \
3 E$ }* I) x- N! x/ Wfd 1+ r) i8 x% G o
3 j2 c# n+ q& T( N8 q% I
ifelse(other turtles-here != nobody)[( w7 z9 Q9 C; V/ g s5 ~& U
$ x8 y! Y5 ?% u! p7 s; `set customer one-of other turtles-here5 G# S$ v2 K. r/ _0 Y, [
# o7 e0 O% j1 {8 c( D m' a;; set [customer] of customer myself- c. I' ~2 r9 e E0 o6 ~
$ v0 Q$ R- O/ g) u9 q ]2 [
set [trade-record-one] of self item (([who] of customer) - 1)
" v0 W0 P2 [, v6 P3 r4 w[trade-record-all]of self' y/ q7 y8 V, t8 Z# B0 G( p. a
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self- f4 D, P* K- c1 r. B% z' d
1 O+ r2 n9 ]! p$ tset [trade-record-one] of customer item (([who] of self) - 1)$ G9 t, O3 p/ ~
[trade-record-all]of customer0 n4 {7 O- G* ~/ c
8 k: `: p1 z1 Z. @, r
set [trade-record-one-len] of self length [trade-record-one] of self
3 `, i# {2 @. v- Q
2 ~6 u1 t2 ?# ?- W# Aset trade-record-current( list (timer) (random money-upper-limit))
- m, N& g' q8 K4 g# S: {" s6 |
6 ]! i5 z& v1 h% H2 j) S7 Z$ b2 iask self [do-trust]- i2 s4 n. I4 k! ? P
;;先求i对j的信任度
6 M' @$ ^0 v( \ I6 g0 F0 | }- S1 c2 V
if ([trust-ok] of self)2 g/ C2 X: |& N' @0 o$ |
;;根据i对j的信任度来决定是否与j进行交易[5 J% W, K: @4 }. l9 \
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself3 N1 l& d5 z& ]3 T- E, T) u5 H
( i. C2 I/ f: c$ Q[! L8 l/ p' G3 e: K7 U2 I. I4 K
% C2 @+ q; i0 edo-trade* S3 s( Y; r2 c) E5 A
) S8 @8 x. Y Z) z: ]
update-credibility-ijl E$ Q1 Z7 C* M5 R7 a
! ]8 n7 u9 {" v# n
update-credibility-list
* Q. Y9 M3 L! s6 n' O- s7 {
' s/ I6 E$ y0 d! v9 G( D+ t: U6 S2 F8 X% U
update-global-reputation-list. J+ `/ J3 K. @. L6 }
" [7 C4 \; i6 `poll-class- Z! C4 q& O2 C- C9 v" o E/ _, h
; X8 Q6 v1 n9 S; Y9 g
get-color
4 p. {; H+ B4 G4 F9 _+ f* f2 p9 \7 A! z' q; D8 x, V6 o) O
]]0 ^5 D8 T2 g+ e: O; F& b
) F: ^2 v* A* Y0 _6 S" u' h5 y, y, ]
;;如果所得的信任度满足条件,则进行交易
9 Z5 x e! i5 d7 S/ d) S3 i# \8 z/ T# A- A* m
[
3 s& M8 w; u7 n9 R6 X) p' ]3 K6 R
4 Z+ K# z" E. Grt random 360 q$ N! D+ s2 W8 x. A
, i( }( u, W! D
fd 1$ E; C& ^% P6 X7 z' H
2 l& [; o/ @/ N, T
]- G: K; d( [5 f, P) P8 K% W2 t
$ N8 ^7 e5 h8 N/ u- Wend' o0 `, _; S7 }. {) t
, F# G4 S4 M7 Q. t2 J
to do-trust 0 g" u; I+ m) j; g. A8 n
set trust-ok False
! u( K w6 P: s& K0 D' D5 E5 h6 B* E! L# [. j2 H
7 r2 g' @( ]# g% B- V$ F
let max-trade-times 0
- G& G( h) ^8 U1 u9 B# |foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]" F1 U* A; b A3 \+ g/ M C' A, g: O
let max-trade-money 0; e# V- A i' K! q
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
+ q6 p. S2 Z4 {- q I) Zlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)). n5 P5 @7 E- l* Y, ~% R
/ M2 f, n9 |6 X' f6 m
- K, A& k, e8 r4 e5 Vget-global-proportion
) t. H0 ?. A, T. b: Nlet trust-value t4 _8 c1 ?2 g4 Y/ I
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)0 g8 N8 I i; e
if(trust-value > trade-trust-value)/ r8 K3 c3 `6 n2 b3 k8 q
[set trust-ok true]
X0 P* r& S0 c9 gend, d7 u5 b$ X! ~3 {* B. Q
2 a1 i2 X# t! U5 \2 O% N3 n1 |to get-global-proportion# i8 s. E( c: E- a' }6 v
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
- t3 i8 I$ ~4 k4 w9 L[set global-proportion 0]
! }& ?- ?6 e# U' s& ^7 l/ v[let i 0' F4 ~2 o5 A# R$ a+ Y' n. y
let sum-money 0
. Y5 e0 }7 [( `' @3 \ n% U8 Ywhile[ i < people]
# Z: p1 i/ y) ^7 j1 ?2 w[( F8 \1 h0 u7 ~
if( length (item i
) s ?3 ^4 C9 M Q[trade-record-all] of customer) > 3 )( Y3 t8 O3 [' @/ t
[
3 ^) Y- ?2 x+ M0 }( b7 l/ g6 oset sum-money (sum-money + item 2(item i [trade-record-all] of myself))4 ~2 w! b! M; @& x2 c
]6 a* W/ x6 o3 D j
] W- y/ G& `! o! J6 y
let j 0
' J, p) \# \8 G0 I2 C' Slet note 0
# h' K8 x( ^0 Y5 ?5 H1 a0 pwhile[ j < people]; |4 M- r) i* @6 l6 f6 `0 X' O
[) O* t4 J6 ?: t8 a1 X; {6 U
if( length (item i: l C6 S2 N ]$ p
[trade-record-all] of customer) > 3 )7 ?0 M% ?$ S7 U6 u: G& A& m3 k
[
( l( C+ f2 D9 ]ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( P' @5 a- y. a
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
: X+ ]1 T7 U% P/ s, ~! F[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]. `4 p3 E9 O0 h: `" i* Z
]2 b, U% ]0 m: g2 Y( Y7 ? U, X
]6 v: Y! t. e( `# M
set global-proportion note3 h \' O5 }# J8 W9 F$ \4 v
]
: j$ p, R# ]6 J2 u+ a1 Q) X, \end
% f9 W1 H7 Z, u( i# J, s1 W& Z$ x( d; I0 C; }* L9 R
to do-trade
% R8 L U6 [. r, d9 ~4 o8 K' ^;;这个过程实际上是给双方作出评价的过程' U1 ]9 d+ w# d$ n
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
' `8 R' D! \3 ^0 @# C- F& Cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价* B" `& v) A" R( ]
set trade-record-current lput(timer) trade-record-current
4 f, O( P8 l' y0 x" W;;评价时间! Y. ^ ]7 I% C- f
ask myself [# N9 |# m0 ^4 h( r; {0 L
update-local-reputation8 T0 R5 t$ p8 K! ?- Z7 R! ~
set trade-record-current lput([local-reputation] of myself) trade-record-current
2 f) P1 w [9 z]
: D+ F6 W3 G; Dset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
6 B' c' d! ]! B+ }% r( U- X+ d0 m;;将此次交易的记录加入到trade-record-one中
- ?$ {2 O$ ]1 q5 N/ f2 y, a! yset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
1 Z# n5 w( r; E* i, plet note (item 2 trade-record-current )
9 z$ ~' F, H) [ y" Nset trade-record-current
9 ^" q( [. x1 b) M+ A9 A' g3 k(replace-item 2 trade-record-current (item 3 trade-record-current))
/ g% R1 `& F. f) L) ~6 W* Tset trade-record-current& J, }2 o" H' c! V+ V- N
(replace-item 3 trade-record-current note)
9 E; ?6 e+ m+ x" l$ o
& s, z% c6 e' v$ J) F" [. F7 f+ E. I3 } l# i; Q
ask customer [9 o. H z( @2 }$ m+ p- L
update-local-reputation3 N4 k2 G) F9 {/ F$ Q
set trade-record-current7 D3 a( J8 N2 s1 x
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 7 Q( T! |+ L# \$ j) @
]6 W- f5 R. u: L" \( W B# R
7 M: H' y7 w) v6 R
, {1 t4 E5 Y! p2 B
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
/ W) h- G0 \+ i7 h/ ?
' d' r" n" n+ x: g* b6 Zset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
" ?1 K* b: r) J0 Q d;;将此次交易的记录加入到customer的trade-record-all中9 H1 a% Q- c. T/ d9 l' m
end( }* N# `1 `4 K; [
3 w1 a( o+ ~3 [
to update-local-reputation' w& R1 B4 R4 u! D+ L' L0 `5 }
set [trade-record-one-len] of myself length [trade-record-one] of myself
% X1 n9 Z; H1 x
1 B* b- x! H7 l1 r
/ E2 A& O9 I+ L1 G) ?3 v- a; j: };;if [trade-record-one-len] of myself > 3 ( _" A. d: k9 M) M7 C8 ]* t, F
update-neighbor-total
% H7 s2 O% m) d, Q/ o- |7 @;;更新邻居节点的数目,在此进行
! ~1 _2 e# X. m* [% Vlet i 3; K. ]8 _) C1 C% ~7 z
let sum-time 0( [$ |5 Y& W5 B. c: x
while[i < [trade-record-one-len] of myself]
+ F3 W" b3 l2 _; [3 r0 R[) k/ I8 }* j6 C( l0 h) Y
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )3 C5 s: |# Y# i* O* ~
set i3 T" |% Q3 T) L$ N% r
( i + 1)
! ], N% t$ f3 C! k. H4 P& m9 Q$ a]; y, o1 j. m, g. y% d
let j 3" s+ X2 O- Q5 D. m& q5 e& Q
let sum-money 0
6 z" U! O: P1 p9 v# d$ Iwhile[j < [trade-record-one-len] of myself]
# G6 M+ s9 t. c- O m[* M$ e7 l" x+ C$ t1 c4 Z
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)
! A* d9 k+ v, U& P+ yset j" n1 v% d) X( n% O l$ v9 j
( j + 1)% ^* G) ?% Q3 F) c
], \% m1 g. |" q% d7 v$ Z
let k 34 W: L' R0 M7 i
let power 0
o2 q4 B" {! n5 Slet local 0
G% ~2 i9 i2 n' U- E9 zwhile [k <[trade-record-one-len] of myself]. U: g9 B; Y2 A5 L
[
0 c q; `5 ]9 @. Y' ?6 n% k9 K9 Nset 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)
- |$ `" o, Y" A2 t. r/ d. S+ qset k (k + 1) S5 e& V* f4 u; v; Z
]2 r" X Q. W* Q3 N+ j$ K
set [local-reputation] of myself (local)
. m9 l1 D4 `, z2 j2 A& Wend9 ?- \1 L' n& y5 b! H+ `
D7 `3 a$ u/ ~- _3 xto update-neighbor-total' M1 ]7 w$ z$ \8 R, Y
% r+ _6 S2 f- ~9 w" N' Q5 }8 }
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]! c1 z' [8 e3 x+ X) R5 `
7 [# `% X/ J) d- l5 ]% j
. W5 Y. {; U1 e9 V- M. c F# |end
( x% L$ ?$ Y0 S+ J/ l
5 c( K4 @: \0 I8 B2 R( oto update-credibility-ijl
& p5 J& |, O7 g* O1 Z
6 W. y; U9 B0 T6 }7 A* p6 o( I;;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。
) J5 H3 F! {2 ]9 y7 t6 dlet l 0
% d% O M2 G% swhile[ l < people ] ]1 } g% X* P6 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
o9 _' Z& h6 e[3 w/ Z! D( J8 ~4 p$ [8 t* w" H4 n. W
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
- W; |$ }) f* M+ lif (trade-record-one-j-l-len > 3)" o0 Y7 D; Y. ^7 c5 U
[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
! `' g3 e% U R8 s2 ~0 C2 a0 \let i 38 f" P Y, J& o' O0 P* F
let sum-time 0
" a% ?/ U$ D5 C2 o: qwhile[i < trade-record-one-len]7 x- Q9 C; W4 d7 G. a j
[
" n" {2 {; L; n5 bset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ): Y6 K7 x7 ~4 g' h. B
set i
( c$ F0 z. I/ w4 `; b( i + 1)2 f, k9 R2 N) w% _& T
]& z m2 A( U6 g3 l6 p6 N) E2 L1 Z
let credibility-i-j-l 0
) I r! `# s4 ?# M* m;;i评价(j对jl的评价)7 I7 p. o& f, m. p
let j 3
1 J9 M9 G7 n$ ylet k 4
6 b% U9 Y$ u% j) V! j" gwhile[j < trade-record-one-len]
! s+ k) S* y/ S! H/ h[' H s- U+ s, X' Q' y6 J6 X) J
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
( g& T/ K1 e: L- J/ ?% Zset 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)
* h) U. D: }- s% t- n2 K. ]+ Bset j4 r8 ]3 i1 T" p/ u! H. t
( j + 1)
5 w3 Y) {( v6 z, q d]
! c7 t! s- g( c$ c2 y( w/ A5 `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 )) W4 V k2 a i9 T: C+ m% V2 n
3 v$ N! `2 ?0 [, G
; N, U, S; B6 k$ q
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))' Z: m ~6 ~/ K3 C" }5 |) U
;;及时更新i对l的评价质量的评价
4 L6 b9 l9 }3 k0 \6 S3 Zset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]- b- |3 Z) M, n1 k
set l (l + 1)
$ Y" F2 G. g( Q) ^% L/ }# v& s], l9 ^ J6 q: L$ M( @1 w- T
end
# \3 Z i: o5 r& n! ?% q2 ?9 p+ B$ I! K+ k
to update-credibility-list: U3 }) e8 d2 i1 G
let i 01 Q1 G( D0 V- G
while[i < people]* A9 O6 O: S! D4 B% Q
[
- w) m6 b5 g4 V3 qlet j 0
+ Z) h$ S. i4 u5 }; q4 B, g4 N hlet note 04 t( |) ^8 R9 H* I# o8 y) f. |/ Y
let k 0; `* g: x; T z" r& G$ k
;;计作出过评价的邻居节点的数目
0 w" T, F% B5 {0 N n0 T% c! iwhile[j < people]
, w2 f2 q Q5 _- j[
4 O# ~% {+ x2 j. O4 @) Tif (item j( [credibility] of turtle (i + 1)) != -1)* i. j8 `1 r% O& m1 o" d
;;判断是否给本turtle的评价质量做出过评价的节点% o ^* `. e- I, R8 I3 s4 v* Y5 R
[set note (note + item j ([credibility]of turtle (i + 1)))( u$ ]* F) `; k' x. `# m' f
;;*(exp (-(people - 2)))/(people - 2))]8 `/ k: M: l8 S: K* s- o+ j8 s
set k (k + 1)
2 q9 _# |. J, s: {' m]7 ?( `! v8 I7 x1 C- \5 e' K
set j (j + 1)
0 x: _) [; q" d, ]1 E1 ~+ ?! r]# N! G* l/ \% H3 p, v# c8 r) q
set note (note *(exp (- (1 / k)))/ k)
5 A, S3 Q, V S! k, q" eset credibility-list (replace-item i credibility-list note)
6 C% F/ z; d6 ^+ ~5 r* r( mset i (i + 1)& P1 o1 ^# e! h
]
1 g$ [. a# F5 J. rend
6 F. m" t: J/ J7 d1 c, z D T+ W. y* c) l# J8 ]" Z' N" [( f
to update-global-reputation-list
" P. U# x' C" y, qlet j 0. {0 ?' u) Y# w' j
while[j < people]
P4 w: n# w3 s& p$ W+ e[
$ e" v/ D8 V2 p7 l2 i0 qlet new 0( Y: t! B* t' o! N: V1 X
;;暂存新的一个全局声誉 T# o0 H" ], Q; [# T- w
let i 0
+ U8 P/ X. t0 a/ clet sum-money 05 B9 D7 [# E& u" r# y1 L
let credibility-money 08 R3 K5 f0 s# [: t
while [i < people]
8 q* ?3 K7 L, d7 R) y. Z[
, g1 j# D5 j, f5 Uset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
( k, K5 V$ \+ G7 Zset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
: _5 l) U+ R7 l9 m- S& e. vset i (i + 1)
' _2 }/ A# F& E% E' j- o4 a( z]
! _9 R* V; g) C: f0 ]9 Y9 S7 `let k 0' e* R* P/ Z6 K0 J& x, k0 ]7 M
let new1 0
9 V1 b: ?( I9 e- E3 o5 |- b+ @while [k < people]5 w2 }* p% @7 H
[
6 r0 x4 C" ]' i; e+ x) yset 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)! _" f- n+ |- T1 O+ H* w6 ?
set k (k + 1)
- w. J" z" @% E0 u- d]5 D. u; r- t P9 R: o. {
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
/ ^, a0 ]1 d& E$ yset global-reputation-list (replace-item j global-reputation-list new)
' @9 G( V. a/ ~9 kset j (j + 1)
$ K7 Q7 W6 W" ~' ^. i: E! c]1 d, {& {! Q" @! s& I2 M1 b
end
( \5 D( W8 u! K+ z7 ~) h
9 q$ @" P. D- |; s6 A" j! d
~# p* w7 P5 u; e9 Z. t5 ]
: a7 i4 Z% m5 o" a, Z Gto get-color6 Y1 l# J$ [$ y/ z
Z) U6 Z; H$ B! t, b9 L& [
set color blue
, q5 m! K) v& p9 d# d; `# |' Y2 Y8 U1 v6 Dend" B6 E1 j0 ?$ P9 q' n
( d8 h# F! t* n4 g$ l$ X+ @9 k
to poll-class
% U9 m% q2 h- Hend+ ~$ M( ]! _- A7 d
/ T' x5 j- k* i6 N: u# y2 d0 u3 K
to setup-plot1; W j' i- w+ P; u0 J n
/ T5 l+ i$ f: Y
set-current-plot "Trends-of-Local-reputation"
6 O& Y$ |- b+ D( V8 E& ~2 F* p& l! V9 t. ~7 I$ y
set-plot-x-range 0 xmax
# d( a! t( q3 h& }) X
0 A/ j5 o( @# D- H, g9 j7 S* xset-plot-y-range 0.0 ymax* S7 U- S+ _3 Y( \/ f
end+ ~: m9 Y" s3 H& n( e$ q' p
* z8 ]% M# d& ^' {$ R \
to setup-plot2& c8 ]+ `2 x& D4 P3 |* w
# `- Q# k/ W$ c% d# W- |set-current-plot "Trends-of-global-reputation"
0 G' s3 \& r: l9 J6 ^: q6 F4 a: U; S3 A* K6 M; y; f! x2 T- _7 B6 Y
set-plot-x-range 0 xmax4 h' v- L2 n( @
1 K; }# K3 D9 P# ~ T- ?" uset-plot-y-range 0.0 ymax5 [/ T, ]$ z/ _3 Q. C
end; O6 R! y# c6 T
! ]- Z. |" w& s8 M7 C2 G% Dto setup-plot3 s$ [8 @7 Q! G+ S
" I; I3 K; [, f: S2 P; A/ C( q6 O
set-current-plot "Trends-of-credibility"
" r( E) m8 L9 I7 Q. ?
. s. t' e0 F+ V: E: @set-plot-x-range 0 xmax+ a% P' s" p9 \+ y0 I; r3 f, x2 }
4 u- V2 K# ^* e3 N, G- G& k( O
set-plot-y-range 0.0 ymax" q5 k1 A7 F" w; \7 l
end0 a9 c: y' g1 Y$ `; U
- Q7 G8 ^9 f; E5 H J T: M' wto do-plots
8 G9 a% z' C* Y- U, T/ s+ ?& Uset-current-plot "Trends-of-Local-reputation"
( O2 U, |3 D+ Fset-current-plot-pen "Honest service"
% k$ A4 S ?( o4 G8 F, a6 `, g. w# tend
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* g# V. Q; S# e[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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