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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/ @8 D _- G5 w6 V5 ?+ Z: h
globals[3 j5 O+ H1 ?1 k1 n8 E, e
xmax
; C% j9 w6 ~' p9 s! N, v% E' ~ymax
. b; Y N" i8 qglobal-reputation-list' V) q# R8 s: p; f
% m2 i M( v. F
;;每一个turtle的全局声誉都存在此LIST中
1 K$ S4 ]1 C9 tcredibility-list! b" T4 ]. ^0 p- ~6 V! a
;;每一个turtle的评价可信度
0 U% L, K* m2 Z8 m% s" r5 Ehonest-service
7 x1 w1 }, d* Y: Munhonest-service- q% b" \( x/ m
oscillation% C# Y; \/ y6 L0 M: g9 D
rand-dynamic, q& q' s! O0 C; g& v" c
]* f" q$ B# B; z" F3 D8 N) T
/ S* m( l( r, m5 I- }turtles-own[' X5 }( y7 y; @) n. Q( Q3 j
trade-record-all
" O" ~* E2 g6 ]+ A/ l;;a list of lists,由trade-record-one组成, o" j0 d" s1 Y/ r
trade-record-one3 ]& A3 n2 N1 i+ w% f- w' c
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录- \: ?( Z: U3 }2 X' Y
* q* f- o D- o7 T8 @;;[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]]
+ q; c) R. ], l0 ^4 R" otrade-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]
0 m6 s. C" s* W$ |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
2 W: L# N; s$ s9 ^$ r! hneighbor-total
' i+ N. O/ P& p4 I! A2 K0 Z;;记录该turtle的邻居节点的数目
8 d9 I! O- _6 g& d$ Htrade-time
& J% f# Z) g! U4 v2 |;;当前发生交易的turtle的交易时间) T5 r$ A, j4 ~" u5 I4 S2 y4 n" ^: ~
appraise-give
5 Z" s: Y% V4 C( v;;当前发生交易时给出的评价
) h6 }+ @- M) o% Vappraise-receive% }. p1 P" @$ A/ L
;;当前发生交易时收到的评价
- {' t/ o* L2 R5 L+ D% Yappraise-time- L1 l9 @, k# J! X' j' D
;;当前发生交易时的评价时间/ r9 A9 T( B. c; l; Q5 S) V# o
local-reputation-now;;此次交易后相对于对方turtle的局部声誉% H! f. U, q- k$ W' s/ ?
trade-times-total3 |5 _' j3 G, g( L$ w8 B
;;与当前turtle的交易总次数/ G& d) M. a1 w' h
trade-money-total
: G/ }6 }3 c. D6 [3 H;;与当前turtle的交易总金额9 W/ g+ M+ n5 S* v5 j3 Q
local-reputation6 ?& P: {! T0 [- @ b1 a# v% s/ C
global-reputation6 k1 s F( K- M( h1 n) u1 B/ Y
credibility- D) r8 R: Q. S+ f' H, y
;;评价可信度,每次交易后都需要更新; c! I* Q- c4 C! C! H" l
credibility-all% X$ H: J; u3 q6 }6 ]5 H! l
;;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+ ^* Z" i$ F4 B6 N& ]
; d; R% ^+ z+ |; O, q
;;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
4 D; M5 _( \+ N. m/ D2 p: s6 ycredibility-one5 b l- o! l/ H2 }
;;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! H9 l. j1 R, @6 p P
global-proportion" _: P' M/ C3 U% ~1 y6 Y) m
customer' _- r. R- y4 T% u
customer-no0 L3 x6 z4 b# {' m6 C, y
trust-ok# ?2 k$ p. [7 c# r; l' a
trade-record-one-len;;trade-record-one的长度2 Q. [$ m9 q& d* E
]
2 H2 f- |0 P9 r
& ^) I: y/ Y& E9 e;;setup procedure
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to setup
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ca6 G- e2 A" n! I' b, i
$ x3 Z! \4 q5 S: a9 {- Kinitialize-settings
2 ]2 K8 i* O! m' F% G. X n
/ [' t7 r8 p% ~. F* d; |# ~' C2 s l7 Mcrt people [setup-turtles]
# q9 J! @$ x6 \3 ~" a- }4 K. x2 l. @# g: n2 |, K5 q
reset-timer
# H0 ]+ M% s9 d$ F$ ?- J' k* s% f1 ~( j: _
poll-class: M) V+ [6 M( C3 P+ g2 n2 l
) w& d. [& G9 d
setup-plots8 F- a* _7 X, b' `( z# _6 d+ L
& T# n8 l! ?/ a: j( [6 P9 ^do-plots6 y% c" X1 w8 |
end
3 Z5 p% }, O! T" _ \9 M. k+ ?% s8 l+ t, X% Z V. p9 A3 j
to initialize-settings
& m0 Z% v0 |* W' ^
/ \8 m1 q$ u0 n2 R1 Aset global-reputation-list []
% V4 P0 A2 G- ?6 X4 r$ C7 m' a1 @; h) [1 A' G3 \& c
set credibility-list n-values people [0.5]- F9 b$ ^0 u: [$ P6 z3 L
: H% x! C/ S" M& N5 T: cset honest-service 0
. F; n7 S U. R, L, H
+ p; u5 k+ Y% k- }) a. |3 `set unhonest-service 0: c5 ] \% d! Z# g
0 |. ~9 `# c3 i( N s3 z9 p
set oscillation 0! ~) \# \0 J5 A; w3 L& ~
, B. I/ E& a! g2 U6 h; n; hset rand-dynamic 0
& Z, S, {, o" e5 l/ A+ ]4 p/ d9 |end
* Q. R: C) d- K+ b u4 Y
- a. C9 x H' J3 u! q/ m) h. Gto setup-turtles
6 ~' V0 ~/ Z8 I# A& d8 l! {; jset shape "person"4 z+ }, i% ]7 L4 }
setxy random-xcor random-ycor
; y% ~) k( x* [/ t+ x; p* u+ D' Lset trade-record-one []
E$ M1 E2 A* c9 H! B6 [" @
- I+ r3 a2 X$ O2 l4 Y( i9 w. a7 B' ?set trade-record-all n-values people [(list (? + 1) 0 0)] $ k& _. y2 R* k
0 G# R( W7 { V
set trade-record-current []: h+ H7 X2 @* J& ^
set credibility-receive []
8 V4 O; n( n2 r; P2 X' i8 v1 Sset local-reputation 0.5
& b+ q2 M: l+ Z0 i; r7 qset neighbor-total 0% X% A; @ j7 T# P% g
set trade-times-total 0
* T- ]& y4 x3 U6 I0 V) uset trade-money-total 0
' q2 D% W% a, P# i3 P6 ~set customer nobody& C s) N; u; |/ B& m
set credibility-all n-values people [creat-credibility]5 s% ^6 `" V+ y0 f3 _- g
set credibility n-values people [-1]" F2 [3 W; b- | [+ b
get-color
: G) [& y* Q$ L8 h3 k* y& I
S( L \2 g5 g0 [; u4 \end& t/ Z! {4 K$ ^+ U5 i# j0 s
9 ~: H9 I& q7 e
to-report creat-credibility
8 p: h% v8 r: C- H( Preport n-values people [0.5]
1 E- I4 E" u, m' g3 w6 C8 h& Z& d% g Lend
8 i0 `0 I( Q7 R6 V. U. [7 F1 X& ]7 j9 C4 D9 K5 M8 F
to setup-plots
/ h% ]& G; J3 \1 x, ] I( L( O1 i# Z9 ?2 B' w ~2 x& u% K
set xmax 30/ Z7 J/ m. Q5 b& b
( o6 O8 F; m! r
set ymax 1.0
2 p2 t6 V2 R$ p9 y) L
# v. [, o3 I' M, }; F3 Fclear-all-plots
1 @5 q* {; e f. D. L E
6 @& a7 W+ h) x: F3 Lsetup-plot1: v Y O ^3 m$ F3 \# y! Z* \
* n8 X4 _" T# \; w
setup-plot2
: h6 S1 X; \3 p8 D; E0 ]
/ o2 ^9 r1 a6 w$ Osetup-plot3
& u$ Y% r, `9 l8 x2 { Yend' w. l# R8 Z& | y3 z# z
; j0 ? m) L$ z4 Q' \
;;run time procedures% ~/ V. p' y% |0 j
& b4 }! Q3 B3 B& B7 d" G& d
to go$ J4 r. H# p! e; x
B7 p. S8 V* Qask turtles [do-business]
! Q0 Y9 Z( x+ j- Wend
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2 r; l! l1 |3 Y- J7 G, tto do-business
N! L2 D4 ]2 i" N% Z2 t! R8 K4 T+ ~1 {7 R
$ [+ q2 b/ L4 h8 p# D& i6 }1 e; l; h
rt random 360
2 p4 `, L4 M" ^6 d. G0 y
+ b" Q/ r9 V; o" U% S+ |# e9 Ofd 1
1 [+ q+ t* _2 o+ ^1 T% { n" P/ Y
/ m# J* I: h; N; p6 ?) `ifelse(other turtles-here != nobody)[
- h/ n' ?; ^: e( H& Z
6 s, g" [7 O& Y( A- s4 ]set customer one-of other turtles-here
5 ` ^& _! c- ~, G1 y% w% E
, h/ ^2 f$ @0 j. f;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)/ s" A. A9 E& Z, M
[trade-record-all]of self; h; @* n( D+ U4 D6 ?$ w
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self' n) I. G* |+ w; `) [9 |, s2 D
9 Q8 S, P0 P' Rset [trade-record-one] of customer item (([who] of self) - 1)6 S. U; A" }; W' L
[trade-record-all]of customer, S9 K \! @: c) z c, @, Z9 [3 n
* Q" @) P0 X4 q% p8 N6 xset [trade-record-one-len] of self length [trade-record-one] of self: V* k' s# V/ X! \
$ {! C! c3 p, {+ d& }" _1 c
set trade-record-current( list (timer) (random money-upper-limit))
, s, }: P! ^, d5 r1 A. C7 V8 |
/ H; @& x8 |% W, a. `ask self [do-trust]* b. m5 k, G$ S% _
;;先求i对j的信任度
: I2 P2 j/ k% U& U( ?2 x- E# | @$ m6 V! B) l% G
if ([trust-ok] of self); x* k: u* {( H/ u& T. u
;;根据i对j的信任度来决定是否与j进行交易[
6 v) h9 R. ^! m9 fask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
* L- r% G( I$ @& U l
) Y/ J. ~/ Z( rdo-trade
8 L; K3 ]4 I# j+ W( p- T/ O, B1 _( B! Y
update-credibility-ijl
8 {$ ^. B( X( P1 V0 R8 f6 g6 q3 Q" z. n) Q$ n9 o
update-credibility-list
, s# V; s& K5 |, p! ~: E- a0 C3 t+ b' P5 V4 c
& U* X; I. E- y
update-global-reputation-list8 d% W ^3 S6 F: O2 s& x
; y" E' a& k. g
poll-class
' i" A. |- ~, U7 |* g, I8 Z7 n; G T9 F3 R; H+ X% ^9 Q: Z
get-color
4 m: n1 j% w( ]2 J7 i; m% H) C; r; ?/ J' U! z" K' j
]]
& w4 V2 u$ w/ R5 v8 K
/ P1 U! z* p% o$ S;;如果所得的信任度满足条件,则进行交易
5 \4 G) o; B- W# r
% M1 h3 O8 b% w. T; i* g. V[
" R! J: r) S! |+ y
+ }! h* G$ `# |0 b7 Yrt random 360
3 S& i6 U$ u; w" E$ M% S# n# A( J5 \" c% n z
fd 13 V4 J! q% z8 j, V
& M* t" k& d' @; o6 {& r]8 i% H: l. M4 C
" q4 v8 G+ _4 I" j l8 U0 kend8 p8 v) q. x Q& n7 ]
- }8 `2 B T* t$ S
to do-trust
2 A5 Y( ], M/ N" F H Q& G) r. Bset trust-ok False
, y' f+ t, [. L& Z& S( M( D( I
/ [# o1 z( L5 M- B2 p
6 ]* J: P- J% g) a- Clet max-trade-times 06 W, ?/ D) t3 R0 P" O9 W" i
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]' |3 q1 X4 i. H& {2 x
let max-trade-money 0
. y5 |* M) q. l& vforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
4 M9 E2 E7 Y2 D3 u: h6 ^8 `let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))2 U+ v5 t9 x y% Y3 i' E9 m; G
" G. d6 M0 P- K2 k/ L- r5 j
# a' y- n1 s$ u: h6 b& D
get-global-proportion
0 A' v1 m8 Q9 J" Nlet trust-value4 F. e4 ?( F- A: a0 Q) B! f
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)
4 B3 h2 M q. ]& E0 Wif(trust-value > trade-trust-value)+ K! N% R4 } ]4 D8 m5 g) z
[set trust-ok true]7 U `5 t' d" | h
end
8 J9 H+ t3 R! u4 V, d: g) l
/ I5 _# o) m$ J7 lto get-global-proportion' R) W, e% M" b
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% h8 F* R2 ?6 f7 v. R( n
[set global-proportion 0]; o3 b" s0 e% t) T q& m! C
[let i 0& b& @) E) h& f& [0 ~3 X2 _. d: U
let sum-money 0. |9 z% S4 n. S' `% O
while[ i < people]
5 Y3 @) C! F7 q[& H3 i/ R! @7 v5 S/ O
if( length (item i% k" G9 a! J4 E8 m' n
[trade-record-all] of customer) > 3 )/ g9 i1 m4 r Z# g' [2 f
[
/ j o- K4 l" ?set sum-money (sum-money + item 2(item i [trade-record-all] of myself))( h T( ?- c- {
]
) _ o0 D T! l: s$ M4 a R]
- X6 y( W& g% Z- f# u* S2 u& Mlet j 0" E" v" e4 s; F6 b `% Y
let note 0 ~. y; Z0 ^% u* ~: X8 u6 Z/ |
while[ j < people]9 S5 X* _3 E/ Q5 I! W) w8 @) I
[, T% q& j& D0 c1 q9 C
if( length (item i
4 J) J/ b6 T" o! [6 y[trade-record-all] of customer) > 3 )
5 e/ b: c9 h. b+ u. P* I9 T3 h8 o. y[
- R% \) t1 _5 O% J3 F. ?9 Yifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
9 l# z2 g2 A) F7 R9 F[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]; b* X3 X8 Z; _6 ?
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ r# o0 c4 a a
]
; \3 P, E9 @2 ?]$ ?% ?$ k, W0 C( J: G# `' n- V& l
set global-proportion note0 r6 i* t3 Q8 l, g$ u+ ~; y- A
]
( _0 e0 k9 m) j6 ~1 D0 y, T' dend7 B" `, x4 \3 L
* K3 L( S, b2 m* A3 B5 Uto do-trade9 D5 L7 M5 G4 r& q" w
;;这个过程实际上是给双方作出评价的过程
2 B, z2 ~% Y% x0 P" _set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价8 H) ~; z0 I. g& f
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价# U+ }4 J- K0 p
set trade-record-current lput(timer) trade-record-current
2 a0 `+ q, e* N' k0 z" N1 o! g;;评价时间
, e- m2 I/ d' q4 fask myself [0 p& l1 w+ f6 n1 e/ j% H, E
update-local-reputation
8 w) {; W7 a6 v$ u/ J2 g% wset trade-record-current lput([local-reputation] of myself) trade-record-current
0 ?0 A( q, K: k]. K' ?% y5 Q- S
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself$ U! ~5 u1 I4 X5 l* _
;;将此次交易的记录加入到trade-record-one中
: ^; K: o$ N( A$ Hset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
3 Y6 [0 H( b4 Rlet note (item 2 trade-record-current )8 D1 N' Q: `# Y
set trade-record-current( l" |9 d3 G9 ]8 m
(replace-item 2 trade-record-current (item 3 trade-record-current))
7 B4 g0 S: q/ O9 l1 V! l# iset trade-record-current
. x5 I- m3 I# n! r7 e$ O(replace-item 3 trade-record-current note)" o) Z; x' d4 ]2 q9 h0 X
% ?7 Z7 H7 f5 \! ^) M! `
# U. q/ h/ F1 e0 y4 o4 S
ask customer [: P9 P: t+ p- f8 p# q
update-local-reputation
3 S6 j$ @5 E/ ~6 g9 L/ l) _set trade-record-current5 {$ k9 h4 a7 g( r
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) " S& t6 ]& R w# U
]
* x% S \- }& [7 f1 b, Z) N( B. b, Q/ U3 y0 a6 f' L
! N: I: Q8 V9 S( ]5 j7 V; Yset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
4 w. H/ D% i8 O
0 p* F; @ h, w$ c/ Aset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 |& [ [$ g F x
;;将此次交易的记录加入到customer的trade-record-all中2 B0 A6 I$ T0 X
end
N. l3 q3 e2 r5 Y# q* ~
0 ]$ z0 D2 X/ y0 r$ O' hto update-local-reputation* G5 P3 k: {: }1 S
set [trade-record-one-len] of myself length [trade-record-one] of myself" W0 r l0 }. Q1 l' m
, g* W0 @, d& _0 d# J9 j
; O# D2 y0 ~& A! [% W! a;;if [trade-record-one-len] of myself > 3 s# h5 x, ]2 l) ~' Y, g0 `
update-neighbor-total
; B0 c, w; M9 y1 y7 ~5 k: T- v& r5 r;;更新邻居节点的数目,在此进行 E8 y9 h0 |' T
let i 3- V. ?7 M. a/ D) F/ o
let sum-time 0
6 `9 S9 I) n6 ^9 l4 y7 Swhile[i < [trade-record-one-len] of myself]
% P' j( c9 s' i& R6 i, T8 m[& h/ F" m4 P4 r$ ^# i: s9 a4 D
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )$ c! ^( [8 P$ X/ {6 z5 P
set i( ^0 T# s% q2 J8 Z H
( i + 1) F) L) x* M6 K7 T c" b" ?, b
]" i$ b9 C& N8 a
let j 36 ?. \9 v/ d/ @
let sum-money 0- P1 z o/ Y( W/ O% b, P) F
while[j < [trade-record-one-len] of myself]& z: n- h4 k' b7 ]7 }9 f* d! G' X
[
. K7 E) Q( ^! xset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)3 ~! J3 s! Y% X# {* N4 Q9 o
set j
( ?8 s" c- _8 Z7 C* ^ ?, v) G( j + 1)0 V. F; n* L8 k' @: f) v
]
" J; o o8 u6 y" D6 H& Q4 Ilet k 3
" q$ f; \( ~1 Y! G/ \let power 0
" v, B) \4 A' e blet local 01 H% x) Q7 J3 w, _; {% D, ?) b8 a5 J
while [k <[trade-record-one-len] of myself]+ `; ] I2 M6 _% Z0 z' Q/ f
[) ?2 g9 i# F |2 f7 @# @
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)
' ?+ a2 F- x% mset k (k + 1)1 o3 o& Y W2 F- f3 w5 V1 ]! o
]% E: I$ m3 c$ P' R# m
set [local-reputation] of myself (local)
3 i8 t# R& E: I. R% w; Qend
1 P G3 l" ?8 u& Y6 E
; `+ [& @# f& w! W. P) Dto update-neighbor-total& @: b1 e; h0 w, p5 L
) J+ V2 L$ G+ Lif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]- a3 G+ D+ z. c9 X. d
' c5 _* D( s, b
$ t9 V) p- l% o) y6 Wend9 O2 {0 F8 U9 j9 c8 A% ?
$ a0 W9 w4 \9 z0 [& L r( S
to update-credibility-ijl
# Q( \8 |6 `3 ^% W5 b* O. _- A8 e% O9 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。. m2 C& k% q& W( Q
let l 0
, F5 o; K$ i0 y& Iwhile[ l < people ]
9 R3 {; R0 v% r& g;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)+ h) x/ ?# {7 M
if (trade-record-one-j-l-len > 3)
0 x7 F7 q1 b" F9 A* O, {: @[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
# h/ w8 W4 R" |- }( Wlet i 3
) ~* r/ ?% o \0 w [let sum-time 0
. z9 A1 ]+ O' P7 ~' v9 i' y& E# Awhile[i < trade-record-one-len] j& C N! c7 \& ?
[
! @ X$ _' q* U3 {; nset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
7 V9 H4 k$ U. h3 j( zset i
2 t7 H3 @: Q; W+ j/ }9 w( i + 1)4 C& y; K! A: R4 [8 J- D/ S
]
, F9 E N3 L7 b' g, ^ p' [let credibility-i-j-l 09 L, B2 o8 h& I( _
;;i评价(j对jl的评价)
; `3 l3 K/ u B( r* H! M* d, _let j 3
8 i) D0 ]1 h3 D$ P1 N; P, P. vlet k 4
/ e1 y; }% ] a8 m" xwhile[j < trade-record-one-len]
% j6 ?; }# X1 H4 M[
, n& @3 L& j3 R8 q# H2 dwhile [((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
. i5 r; U0 x& H: Z1 ~: Mset 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- p/ D9 [) ~, mset j$ q! J+ j# B# b5 p0 I+ [' d. r& Q
( j + 1)% E) V7 H# Q: y
]7 C/ ^6 m- y7 p& G Z- o: `
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 ))
% q# v$ Z2 u4 I, r& t& G* s, @3 b/ } s4 {
/ }( w# C. a5 E5 c8 H* L8 W" u
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))1 R) G# d" m+ _+ F
;;及时更新i对l的评价质量的评价
% U6 B% R5 X$ ?$ u, ?+ `2 Q" Rset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
7 ]: X ^4 z; ] }' z. Q' eset l (l + 1)
8 z. e, [$ J5 ^. \: G) O]
. N# T- x# |) N, ^end
/ Z, I @& c3 ?3 u! q V, i- `$ z: _: Y: W- _4 G* G
to update-credibility-list y8 M6 Z7 N9 c; E
let i 0
! `+ G: S) z& x! C* Twhile[i < people]* u6 E2 c$ M9 B2 B8 v
[
- N9 K" Q! v. \( S8 { n: S3 ilet j 0
- M$ g. e. D2 H! p. ?. K8 ?- Xlet note 0* P8 v$ C6 A0 i& H8 w
let k 0
. V- `5 b* c6 j, c8 X;;计作出过评价的邻居节点的数目
+ ^" L% [2 V7 F. }2 V4 W, e& Cwhile[j < people]: a7 G3 D$ t, I9 h7 y" X, _# i
[8 W: n( q! s c. W, o
if (item j( [credibility] of turtle (i + 1)) != -1)
; C5 `% J9 w$ N( s5 k, @;;判断是否给本turtle的评价质量做出过评价的节点: s/ w- }$ g6 V' `& X% A x, f
[set note (note + item j ([credibility]of turtle (i + 1)))
8 |+ H4 x9 o w1 M! Y V% a;;*(exp (-(people - 2)))/(people - 2))]- B! H, z. P! S& k
set k (k + 1)
" t2 O5 f; f- R0 @- R2 r: Q+ L]: }. a j/ n: P4 s! P
set j (j + 1)8 u; k8 I. {( B4 m& [1 F
]" D7 r/ q1 _% G, R8 e+ h9 X
set note (note *(exp (- (1 / k)))/ k)
* L+ T" Z5 @+ s2 l3 f" d, l, Vset credibility-list (replace-item i credibility-list note)5 y) z/ F: B8 h' r2 b( H2 \
set i (i + 1)
- p j0 y, d5 f& \* t+ R2 L) N]- \3 w! X1 I* k' a8 c6 J
end
% [5 r) v6 k( G& |2 z. B( R4 ]( b5 D4 g0 h+ s
to update-global-reputation-list, n. J7 X+ U! Z/ x* X' w
let j 0
. g* n0 `: m C9 J8 @2 mwhile[j < people]2 t( P% y2 c7 I) ~" q: n7 E% T
[
" J. ~0 F/ D; I. q& f3 wlet new 0
/ v9 {2 b! Y+ M6 M$ G;;暂存新的一个全局声誉! v5 \. m0 c3 f5 r# E+ H9 x; _
let i 0
, ?" a$ w- y) ?0 j. R% d* F- [let sum-money 0* y8 f& Q' t3 G+ R% H1 M
let credibility-money 06 @( R" x9 C' ^3 ~1 F
while [i < people]
) F! s" H9 r( x# l2 L T[+ k0 g; {/ ]; e& p" b
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
/ w2 A- x) ^# U: O8 j7 Y; Rset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))( [! J/ F5 a, x! {4 ?
set i (i + 1)
+ y* v- b# d0 G6 R" _3 P]4 a, E# ~8 d% z4 ]
let k 0' x6 }6 u+ d4 X) O8 ]! s
let new1 05 ?8 t# s& ~, P) t% ]# t
while [k < people]. y7 S' v. @5 ]$ b9 ~- I- K
[
4 R3 g: a: f5 A/ f$ ^. [& Q: ?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) U8 s; ]* `; Q/ R
set k (k + 1)0 ] h8 z2 [7 U9 P- m0 r
]' L$ P! u7 |6 f" Z0 n
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) $ B$ N7 S) [& m0 {" K7 C* ^
set global-reputation-list (replace-item j global-reputation-list new)
$ g- T3 \7 j0 Z. Oset j (j + 1)
8 W ]% I) B" w]% D5 d' f! l3 D3 Z
end
1 X" O! P& c+ F$ `6 y' |! [
$ T% P+ V' |( A: z+ X# c
1 ]. E* l3 h! B% Q" i* K) o% M% d+ Z6 _) c% Q4 H9 {
to get-color
5 K( d! @7 I' @0 c) m( g4 E
- y) M7 z: ] Z5 v8 S- Tset color blue" @( i0 @$ c, G% l. P; P, ]
end
3 k# |9 w0 G( _- }$ d
$ T- ]2 Z6 b: l7 u3 Fto poll-class9 e* X8 E4 H6 R
end0 R1 y l0 _5 w5 S: C$ F/ b9 u1 r
: V9 F- l0 x$ B9 @9 b( a' b6 T
to setup-plot1
: W. f0 U+ c2 W$ v9 I& N) E( ^" m. ^0 e3 S8 D$ a
set-current-plot "Trends-of-Local-reputation"
1 X" ^! O& [/ K+ @7 K& r9 l/ M' K7 X
set-plot-x-range 0 xmax7 A* ?0 }" B. n" ]/ ^& s
+ w2 |' M; q' k, y* y
set-plot-y-range 0.0 ymax
1 V( E x( b2 D5 c% x5 w0 Rend
/ N3 k5 f% Q! {" @& D* s) K" R2 J/ E6 ^! H# R4 r3 ^& `
to setup-plot24 n5 S1 {. \+ E
9 ^* A5 L1 H; W% jset-current-plot "Trends-of-global-reputation": e* n, U! P. I. b
7 e2 K0 y% S; m1 _
set-plot-x-range 0 xmax
8 ]. L# @6 J3 }: S' Z' ?5 z$ @. k) f
set-plot-y-range 0.0 ymax% M& k2 B% Z1 j" J- i% S
end2 N! Z% h4 o; B/ j
7 e# i3 l# m' H; l3 V: f+ bto setup-plot3
( n% l1 J1 Q, _; a* |4 ]6 H% C9 ]" s+ ?$ E. B; p
set-current-plot "Trends-of-credibility"
/ t" P& q6 e4 [- o& a
8 @: C# q; C! k# Z/ l Z1 Jset-plot-x-range 0 xmax
: i1 c& q# }- B [0 S& k3 I( W9 k0 C( ]/ f* r* ~
set-plot-y-range 0.0 ymax1 k" E# n% J( q, n% @8 p
end
A- T9 b3 ~2 K
) V( K2 ^% H' K: L, ?" s. D) h. ato do-plots
, S5 [# M" x" t7 xset-current-plot "Trends-of-Local-reputation"4 @5 l% R# k8 M, Y& z# I$ d5 Z
set-current-plot-pen "Honest service"
, @5 S/ {- o% z- F7 h5 qend
4 M6 L5 }/ R) R/ C; H1 v, d
& D6 u. m& j0 m/ \" d[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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