|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
4 h" n0 t m3 z& ]* a d) g; }globals[0 {' ^# K* A0 }( D: _) N
xmax
- L; L/ J5 c n9 Q7 L* iymax
; H4 q- ~$ p. t. L! Pglobal-reputation-list
- ], V- }5 B; e0 P% {2 u
6 t/ x3 p; v0 o9 C) {6 g;;每一个turtle的全局声誉都存在此LIST中
- {5 C7 o/ ]2 M% r( x* ycredibility-list
: S4 R* l5 g9 w' }2 u;;每一个turtle的评价可信度
2 W: L, z) d8 Z, `honest-service$ M% p ` I- B/ ?. q- O! T& r! D' y+ P
unhonest-service
3 p* V' Z% }; y' a# r/ Poscillation
$ M. P9 x- z9 E0 V+ n! x ^ C$ prand-dynamic- q" ]- T( ?; v& u. _; u3 K# K- u
]
6 T: f& d) z2 P' u* Y) q
1 a0 l7 O9 X- wturtles-own[
' @8 T n5 z' S$ O8 y ktrade-record-all9 a5 o6 h4 |: g+ F6 t
;;a list of lists,由trade-record-one组成, k# ^4 j6 e1 O
trade-record-one
% M/ w' l1 v' Q- Z5 t4 l% U3 @;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
: `# u$ n& D- k4 {& m2 g
; c% T& o! F' q( \+ x; 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]]
- a# X8 ^0 _5 f) p4 ^: r$ [- T7 ftrade-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]
& X; k G5 n" F7 z; M; {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/ G& }# L6 g" w2 S
neighbor-total! d' ]8 Y1 N! l9 e/ P1 S" Q& \
;;记录该turtle的邻居节点的数目' R8 }8 f" e; r
trade-time+ _9 o) |& f' D4 h0 ~5 I
;;当前发生交易的turtle的交易时间
' @, G: w* d# D) sappraise-give# J1 g; }" P' K( `) H1 [
;;当前发生交易时给出的评价' Z( Z/ K2 V$ ?( ^
appraise-receive
6 _$ |) E. V) m/ E' f8 s9 A0 b/ E;;当前发生交易时收到的评价
) M* A4 h s; s/ aappraise-time
/ q0 ?2 d; h$ U7 D' G;;当前发生交易时的评价时间
' F& Z- o2 S! ?' G" m$ b( jlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉+ G( s' g- t0 k" u! Y. s! ?
trade-times-total
; @# f; i( ?5 }" z( L4 x4 X;;与当前turtle的交易总次数! s8 W" I& h* n) o9 u* ?/ ^
trade-money-total
% B$ [8 A/ p0 Z/ l2 @;;与当前turtle的交易总金额
9 c$ `5 y: Q8 L5 b, O/ k1 Slocal-reputation
8 |2 {6 M) y# `& I; ~6 `& i7 ?2 uglobal-reputation
. y8 ?7 C( G: z" f% Acredibility
F5 ~5 g) h v% z0 j- y;;评价可信度,每次交易后都需要更新0 ^( \, C8 Z0 O; h9 }, U
credibility-all" Q$ O! d) n8 x K0 d }
;;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3 l; n, m7 j# K; t7 r) v$ x1 m
- d4 a' P6 r' a9 o: E! f6 {; l
;;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0.59 r/ C1 X" z. y
credibility-one
) ]9 r+ T7 Z* E# g6 M) s# z2 O5 ^;;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/ u4 T) Y% |9 J J' O4 H
global-proportion6 W# w" z( m j' t
customer
, F/ Q. I$ l; _% {1 Dcustomer-no! _7 M7 r* `, R
trust-ok
n% p! j* T- R" \9 Utrade-record-one-len;;trade-record-one的长度
3 D/ }, K) w- x, S8 i]9 Z5 y# Q+ x9 n( c0 j7 L) V( e* @
) r& G2 d1 H+ M& F
;;setup procedure
% G7 [! d: ^; P, R* Z, |. t- v; i* s; N: l$ ?5 k7 n
to setup( y0 s1 d9 M/ ]+ K% B3 m
6 k# n' D; I# f* Eca
/ n$ H! y7 _0 [0 f. J" F) y% r% ^1 o7 I9 g
initialize-settings
" [4 `8 t$ ^; l% P. c3 A( _1 {/ |, f$ \* N- \* c) x: p% B% K
crt people [setup-turtles]
# _+ I4 r- P& ~% O& h# B5 x
: K/ r! @& ^# |reset-timer
$ q# r; I) r8 X* {- b2 t/ q6 C& C7 Z. v/ t
poll-class& i: k: z @# } a a8 r
' a5 u' m9 ]1 msetup-plots
. m2 Q5 O& R. e" ]0 W q" N
" v, \9 p' x" S8 L- \do-plots6 Q3 m& h' _" ]& H! s& u8 H7 q
end- ]# S( F, L9 k; C& O6 r7 U" ^1 M
, P6 A% P+ w9 a9 U, j. C( Z, ~
to initialize-settings
! r% B" r y+ A
" H8 E. N: F% A$ R1 P& E7 @set global-reputation-list []" t& U5 S |# O6 i9 `
$ e8 [3 M& o1 Vset credibility-list n-values people [0.5]& C4 J7 q% r7 G. P1 g0 w. |
8 S3 r4 H& ]6 x. i) ~
set honest-service 0# M# K; z7 W* N/ s- D; @+ v% q
1 j/ a N0 D* \3 Q# W7 X
set unhonest-service 0
6 o* R J; ?& O5 _- x- E6 v& H" Z3 N' B
set oscillation 0
+ U/ u8 @2 \; H: T: |* E& ~3 Y( [$ l/ K- y$ m+ ^+ S
set rand-dynamic 0
2 i" q7 t* \1 L9 Pend& |5 k, f+ }6 P! G
+ @( E5 a o7 Z4 V- v H6 o2 H* C
to setup-turtles " A6 ?8 x- w9 d
set shape "person"
+ ]0 U4 ]5 Q* y8 Z7 r: Ysetxy random-xcor random-ycor
+ w9 s) P: `' P$ F1 L0 t( P9 vset trade-record-one []5 r& X1 S/ n/ r1 u( @% Y
7 V& Y/ J# f" _/ T" k9 j- d" ]- V
set trade-record-all n-values people [(list (? + 1) 0 0)] . ]" [ m8 H" E6 h9 S0 u& S7 }
0 J. ?2 b, x( q# @# q7 m4 n8 }
set trade-record-current []/ U/ t: z. H: s" y, G
set credibility-receive []
' n$ ?0 m6 Y0 t0 X1 j1 sset local-reputation 0.5
/ {# A6 G8 b: e5 f k8 ?set neighbor-total 0
9 U6 u. j% }3 {set trade-times-total 0; r4 I3 {1 j% N$ c
set trade-money-total 09 t' i9 ~: C+ W. o+ t: E
set customer nobody7 x& t5 h; ~. q# o u2 i1 [, P
set credibility-all n-values people [creat-credibility]0 v' y: ~# V! ~
set credibility n-values people [-1]- @8 ?: K( C( n4 |2 q7 M
get-color
, H6 E& Z4 P/ N
) p! Z) J* [( A+ M5 y% xend, j3 @3 ~6 F# e# ~8 T# l
' H, v1 m- T4 n% x2 xto-report creat-credibility* E7 n& z/ H" C$ A0 S: B5 p
report n-values people [0.5]
0 ^5 j( c2 e) {, o; N) E L( Q }1 c' \end' R7 ]" ^9 ~' l2 j; P
- i" H" @% O0 R+ Q/ `7 |7 zto setup-plots& q$ j& w# [& @( t3 n( ?& K
# ]' O" q0 t1 q
set xmax 30
( r6 V% i/ w+ t! \; M y
2 C4 o7 A8 q+ D& I) wset ymax 1.04 g3 M; a ` g% Q
B! V, \- c( Z4 Y
clear-all-plots
* B7 e% ~/ K. I6 ^! `
0 V2 h* Z t% \' k1 g% r0 g; O) a% ]setup-plot16 B5 c6 p& |; l3 J
, ]! `: P4 b/ isetup-plot26 L) o: j# y9 t. ~
9 W5 K0 b" k2 g+ G4 x+ Fsetup-plot32 A* j% [& n6 w- e# `( a* l
end
7 \# Z9 y o1 |: y. O
/ e; C5 R2 O" @: X" S9 r;;run time procedures
# w% ~- X. U" |- n8 h9 \9 q* F
: @" I; |( J. Q* L* {8 p0 I8 d, }; Yto go
. F2 B0 V: s# K6 V3 y# @) ~& J* f4 B2 Q' [' d0 l! \/ \ X4 a9 `% }; U
ask turtles [do-business]1 F7 |& n3 T! D1 m& ^% e6 E# h
end# l" K9 d4 h/ i5 V
: y. W- N4 {6 u0 H- K
to do-business 6 v! O/ u* x8 B0 \
* j& H$ a% p. i- t* j
8 f3 u" Y$ b! lrt random 3608 Y0 k2 r8 h2 S) ?) A+ K
* b8 ~4 I; c& Xfd 1* R6 D3 x& I: A) x
& P7 k' K7 L# k. u: o* I2 d: [ifelse(other turtles-here != nobody)[
: m" s- j, P) a( Z; `4 [' C2 _. H0 w) q5 X [) ^
set customer one-of other turtles-here+ o T& A1 H8 A% w: i" S% i
: ?& k2 U+ K! J% h) \ K;; set [customer] of customer myself1 t2 _9 S0 l. d% D, \
8 }* s( g7 b2 Y
set [trade-record-one] of self item (([who] of customer) - 1)
7 A4 @: ~' D( E; R2 V2 L# H% h[trade-record-all]of self$ L& V" ~, O3 z+ q6 @; `3 O4 g
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
# x+ |" L+ ~" E% z4 d0 n8 h4 U3 p
set [trade-record-one] of customer item (([who] of self) - 1)
! C8 A+ [& I% b2 Q! }[trade-record-all]of customer% J( Q! |- u% R% m8 N7 e
% Q3 N" v' Q8 ^; k1 c& E, u4 U% }
set [trade-record-one-len] of self length [trade-record-one] of self
3 }* U* l% O+ t/ c1 ]7 d: v: ?2 j1 U9 L( M$ g
set trade-record-current( list (timer) (random money-upper-limit))4 g( H8 F, c9 `! ^) Q m# u0 d
; O1 m) w1 W9 Z3 ^. X7 Q' Wask self [do-trust]- K+ l0 w. O. N" p
;;先求i对j的信任度
1 H+ L# O0 k# ?" K$ @
0 A5 `: k F u8 ]if ([trust-ok] of self)
1 ^ L- G( M" x: ?) V;;根据i对j的信任度来决定是否与j进行交易[- C9 I% L- k% g7 l5 `
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself5 ]/ A/ J4 ^3 H2 M. d
: U8 c. ?! y% N% G+ y- r8 Y
[& ?) R5 i: `# s$ t% p2 I% j3 S; E
$ t& w: R: E- r" F$ Q# q% q
do-trade
- c9 Z c% Y' V" B) ^) L
$ b% r, e" @% W$ gupdate-credibility-ijl
1 C+ B- P! [+ O5 i
' _1 D$ N. M( r2 D# r, x9 Tupdate-credibility-list
/ \# ]/ z! ]: A
- u5 t) f; N0 S) B3 w. w# `4 c( ?# v6 v# U- y% _) m2 z$ A
update-global-reputation-list( }' {: B% {" H
) u4 z/ S2 D3 w& K6 Npoll-class
6 n4 |; t0 e/ G8 w5 y9 m1 J5 r, I$ d' s6 t: [" z, ^, V
get-color5 B% m7 |# E: [- z
- j7 u) U' F! N" |$ m# S
]]
4 K- l' g1 x+ O: ] n) e6 w( D w' W% v+ k1 i2 M
;;如果所得的信任度满足条件,则进行交易
3 H5 }3 V% q7 Y. H9 t: w. R
( G1 e1 \4 [$ F5 c9 N6 X* v, n[% e* }, }5 }2 [
5 Q T: D3 o& C6 a8 r
rt random 360
! y+ |8 ]5 K: I6 c* A4 F9 Y
9 K& Y2 J' ^% D. |2 S/ c8 W Nfd 1
- e2 l% r, ^9 R/ X9 C- U
3 c0 l& }# H. Q% m]
9 b* X! U8 H8 K0 x5 a( q x- M# b/ n" z% n
end+ w6 {; T: W- N7 N
0 R, x( D0 w( o7 u8 w9 j. y# eto do-trust 5 _& ^9 C& q" e% j
set trust-ok False
$ s+ r. h9 y2 H, \
+ v7 @+ `2 c' s/ \
~4 [0 C7 I; D5 V V8 }let max-trade-times 0
5 G/ r( {7 |3 G' Nforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
& y) A! k3 T3 z5 K% x( k _0 Wlet max-trade-money 0- g1 B: y9 l" X# U
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) X, j+ p$ y% x3 v/ Z
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
8 g) v0 {/ d* f% `, g' G3 O3 G" y0 Q. ` X; F& k; N
& g( b7 o% ]6 a" R- C& r6 L
get-global-proportion
* K, S2 {8 G% V' w) e. Glet trust-value4 A" c, ?# r4 A: b& y/ \! e, 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). u4 Z) ^: R5 P5 a
if(trust-value > trade-trust-value): M! J2 X1 @% h, t) N8 Q
[set trust-ok true]/ ]' k$ E1 f' K6 D
end1 Y2 U3 g! n( ?$ l$ m
% P6 q8 w) Z2 `' v9 A M& U% Kto get-global-proportion
, ?$ J1 N, d" J5 |( w. Lifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
/ y! O! c$ V6 A# L[set global-proportion 0]" q1 }( N F. Q# f! o% z9 p
[let i 0
) s8 C1 f; a3 ilet sum-money 0
9 N1 K; ~2 }* y& X/ J; Awhile[ i < people]
5 `, w9 X, s5 G+ U3 u+ M, w% u/ d[5 i0 D6 B0 Z7 y9 w
if( length (item i9 m+ ?! X& T8 r7 A
[trade-record-all] of customer) > 3 )' C9 G7 B3 \, G. [1 ^ V+ O4 o
[
8 V- J: P! q0 o& }3 m( @2 _set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
# h( ?; e3 v+ S+ G( Z2 h: ?6 V]8 N u- V" C7 [' g% c% ]& j: O
]5 n7 w! D4 `7 h- {) a% l
let j 0' h4 u6 B9 p( d! n
let note 03 u: b% @" ]3 a3 ^; P2 k7 J
while[ j < people]4 d* j, o6 l" M
[
" G: {1 a, L+ n) N- N. {9 aif( length (item i
: S4 \" {7 v! @. h; d[trade-record-all] of customer) > 3 )% z5 g" u+ q( m, k
[
# R( }* Z5 m$ q( Rifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( P% j$ f( C( h7 |; `
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]. _: y* j$ S* l* Z( I! ~: B
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]: {' V7 y! J1 |; ~ A- B
]8 a$ W7 S8 O. ^( g- v4 D2 r$ r
]
4 c8 G8 \! X0 w5 H# r4 x, y4 Kset global-proportion note
' e; f, r, p- I1 N0 G0 E/ Q]
$ b0 Z- ^" O8 B1 i6 \+ X( n Send7 X1 u2 c) G; k$ X# L
/ b+ M* G, I* W
to do-trade
2 i1 V, U1 R! X$ g;;这个过程实际上是给双方作出评价的过程
% O4 S+ `, ?7 Z4 ~. A0 rset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
: F* A$ R. U! [6 O9 A% x: f3 Y/ |set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
" R( g3 [( ?- I$ i2 N0 P" Rset trade-record-current lput(timer) trade-record-current8 Y7 I% ]) Y0 _$ ?7 O* O: P. s
;;评价时间$ ~2 B' r B7 a) E- u+ e; I
ask myself [& b: M* l$ V9 R- P+ Y) |
update-local-reputation" l" N. K7 I: y, U" M! t* r* ?- B
set trade-record-current lput([local-reputation] of myself) trade-record-current
6 \0 i, o( x! Y6 q]: ^+ E: ^$ W/ V- P( l T/ U7 _/ h
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
& u# b! `; A' C. U1 U( |8 U% b;;将此次交易的记录加入到trade-record-one中/ `/ p/ F# U- H1 s$ L
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)! ] }; o5 b% Q0 K. z/ B
let note (item 2 trade-record-current )
0 s2 C7 \( y) a# q/ l+ h2 `% o% I+ lset trade-record-current
: ?# V r/ G* e(replace-item 2 trade-record-current (item 3 trade-record-current))
( V5 U0 E ^/ ~1 o' t6 O; _set trade-record-current- w& D$ h `3 M
(replace-item 3 trade-record-current note)
8 X8 U, g' f. [2 P2 f& C, S B. m* r
% W( u/ g! f9 B- z' V5 L9 s
ask customer [
/ K3 J, j" s" \8 Bupdate-local-reputation- M$ A+ Y) |) F8 j w& s: S* Y
set trade-record-current2 I s' z \) _ Q$ x$ o- v% U* I
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) d9 S7 E: `7 q. f0 G
]+ u g/ Z- g2 w# X! h/ h# C
* ^; \+ r, Z6 P0 |# j* u
. {' Z Y8 b' s' Yset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
: w: k% A, ?& E6 s% e1 j( w6 n# k) s# s6 \
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))9 O% B' h- C9 Q' }- [1 e9 \
;;将此次交易的记录加入到customer的trade-record-all中
) E( O6 R; U7 K0 Z% O- T! O* M) kend/ l' d/ E/ x( p/ V) q9 f3 S. Z4 ^
* Q) g3 k4 P" \1 ~1 Q
to update-local-reputation) K) B3 D$ @7 M& p( x
set [trade-record-one-len] of myself length [trade-record-one] of myself
9 s3 S& h; A, d$ f5 }4 D7 p2 |0 s
/ B+ n5 c: a' \1 @5 I$ J( d
;;if [trade-record-one-len] of myself > 3
- k# v% @" T5 t% @4 yupdate-neighbor-total% {& b6 Y8 w9 j5 v4 Q' e2 E0 w6 W
;;更新邻居节点的数目,在此进行6 U' v1 I+ g2 f0 w. B
let i 3
+ S+ K( i5 M* y+ I! `1 y- n* {let sum-time 0
! X$ w8 I$ M7 M1 o( c* f, Awhile[i < [trade-record-one-len] of myself]0 t3 Y( C. Z; k9 E, `% T" M2 P
[
! i; X% V8 L. C! R8 nset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )( N. F3 D4 j/ F) W$ o! y
set i3 X; G3 U2 h. U
( i + 1)# k& N/ k5 S" p9 U
]/ i& Z3 R. ]1 }" d. Z
let j 3$ V& l$ @ E& X* a. {9 y% h
let sum-money 0
, s2 O. ?- d# h/ B4 F' ^8 owhile[j < [trade-record-one-len] of myself]
% H4 w5 S/ g7 _! ~8 u7 I* t[$ [" y$ b5 v3 D, o
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)! j. g3 V# C0 M# A: F8 D
set j1 K& ?' P% s" ?0 A
( j + 1)! B6 c3 K8 I1 g+ }+ |- q5 I% _
], G$ D) d# ~% H7 Y8 N+ z# x
let k 3
; \4 T6 r- W- H/ d$ ^* o S- xlet power 0
0 W! S/ J* L8 M3 A; B0 k/ Wlet local 0
/ q3 A i* J) t# ^+ mwhile [k <[trade-record-one-len] of myself]
0 Y4 I6 J z& v: @- B$ ][* w: n5 H- o/ u) L: @. O* g3 U* p
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) : b+ s4 g4 x* k+ |/ n' V8 q
set k (k + 1)! a$ Q$ V3 k/ t/ \# y% I9 G
]4 N6 M- k! j+ j7 v
set [local-reputation] of myself (local)
0 q; E/ c" e* m6 c& @& ~" f$ ?end
2 q; a# j2 E5 ~2 e' W& m- X
$ `, k& a7 {: ?8 M+ _to update-neighbor-total
$ {' `% ^! `; v! ]. A5 F. O* @4 Q. _/ C7 s
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ] t7 `' ~% [* v* v/ L
& {; N! R3 _7 B- O$ S m: p+ {2 w" p |6 f0 \) C
end$ b, }& Y+ G% q, i0 f; I/ D' } N
3 c% I7 K# D3 d/ L$ gto update-credibility-ijl 0 D* |* f. f: T I+ N+ i& e: c
& V. I+ q7 P- L2 g" n;;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。
4 h5 C5 @! C4 alet l 0
$ H3 J" ~5 y! X' H5 j! d& Ewhile[ l < people ]
( W/ l* |" Q; }- T* R% b;;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% f5 f- G6 S. }2 c* ^
[/ h4 [/ K; G$ t+ }" x) G
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
1 @# i- k H/ G1 g' ^% ]* Tif (trade-record-one-j-l-len > 3)
P' m/ H7 d" E+ E8 Z! m [. Z[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
2 h* g- V; u, k' ?let i 3$ S0 R5 E: J6 \9 S$ d" a
let sum-time 0
2 n5 }! ~& D1 ?# p jwhile[i < trade-record-one-len]. d; s# j% e6 D( M1 U3 s& f6 F
[0 }6 a6 O) O2 z$ K: v: G
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ) X: I2 x) d- Z' u& ]' f8 `
set i0 G* Q0 f. ]# W1 R& U( c7 a
( i + 1)
; h8 E) \8 A4 ^6 Z' A]
0 A0 f# ~. R) Y6 ulet credibility-i-j-l 0
8 ?# D2 i$ k* `( |;;i评价(j对jl的评价)
O% m2 d* G! V$ A0 F% d \! llet j 37 f5 n+ ^! p& C, K3 h
let k 46 n- n7 Z/ |: R" R* L, f; Z
while[j < trade-record-one-len]
2 e" q1 |( `2 M/ B' k4 l& r7 {[
! m' o N) q9 s8 x, h+ f6 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. O) Y& s( h+ t6 R# `' Q
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)
$ J/ v1 b2 m3 _* V. [ Fset j' D8 {) y, f9 q7 o! y) x+ `* T0 ~0 q
( j + 1)/ Y. o- c1 }# ~+ d3 C$ `7 G
]
& j/ v+ B7 X$ h4 ?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 ))6 \6 G: s5 q) n i
, k$ _6 y5 S* x) G: P, q% w
; }( Q7 r/ m! y, o; y2 Q
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))' v& P/ E$ s4 Q( t) Y- {9 `+ ~
;;及时更新i对l的评价质量的评价
5 A4 J) d( B: M& s- a9 {set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 J% N0 h5 b# E1 u: iset l (l + 1)
0 B7 n- D- N% f$ f$ P]
! e5 T* l4 v9 Y- eend1 \9 g* K9 v$ K; P& V+ i( Q' u
& q& h* m! ]1 k3 q4 ~
to update-credibility-list; ^& B6 W6 v9 F8 P
let i 0
' d. S4 G; C' b3 V6 J5 }while[i < people]
; {$ y; A9 L& F0 S[
* Y: @8 h- _1 llet j 0, X' [. X& n {1 |
let note 07 Y6 ~* i) y S' ^5 n( k
let k 0
; i, u! S0 h& K! }0 Y$ B8 C;;计作出过评价的邻居节点的数目3 \; ]( O2 b5 z# G% P9 u
while[j < people]
, M, a; O" Q ?4 u9 { c[
% i( L! V/ E8 _9 _$ b2 vif (item j( [credibility] of turtle (i + 1)) != -1)
4 f+ m9 m0 I$ ~$ W L& z. B;;判断是否给本turtle的评价质量做出过评价的节点5 K1 {- [) `* S
[set note (note + item j ([credibility]of turtle (i + 1)))
# L$ S: e1 B. l3 g0 Y J3 C;;*(exp (-(people - 2)))/(people - 2))]
3 H% j$ l, r1 @set k (k + 1) d) e, v, c7 n* e d6 H. L5 Z! f
]; l& [# D" z/ d0 I( a
set j (j + 1)) ]& E! [; V9 I) G) F* d p
]* \+ `' I& b. d7 K; U
set note (note *(exp (- (1 / k)))/ k)
, G4 m2 f" r1 B& |$ kset credibility-list (replace-item i credibility-list note)( J) P0 |+ i5 N U: Q- M+ c0 f
set i (i + 1)/ h1 t/ b) m( g) V+ j( G
]' h6 M* g1 x( C) t* n; H
end2 k; E' }; ~1 W2 M" J% X
+ b! R2 @% X; R2 b) B9 r
to update-global-reputation-list
9 W! s5 I W, X& D7 w0 flet j 0
2 ?; J* \, n# A5 w% w" pwhile[j < people]4 k, B# k# t: z a
[
5 @" C3 f) M$ |. [4 a) i6 M& @6 Glet new 0- u9 k, H8 U; a! _( e$ K' u5 ^$ v7 T
;;暂存新的一个全局声誉5 z$ V6 I# R/ I$ v# M
let i 0
4 B# p4 t6 P- y* Vlet sum-money 0
0 }. ?% ?$ n* f# o; g, jlet credibility-money 0" a# A3 Y* X( O' H- e3 x- @
while [i < people]
0 i: t- \5 m2 C+ e' k0 C# _. J[
/ z4 {1 `$ \! J+ c: nset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 ^8 s- H, `" i/ B- Vset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))% W8 i* {& }5 T
set i (i + 1)3 Z1 M& S5 h _5 O, h
]4 w# O* o, Y! {
let k 0( I3 \8 y5 l! R. s
let new1 0
$ l0 N1 Q3 o2 pwhile [k < people]3 k- b' Z+ r) a& D- ]( R2 ?
[7 J. b, H4 a- o0 S" P3 C$ ]
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)& a6 f9 w: `% Q
set k (k + 1)
& M* D( T6 k6 y1 f]9 a% b/ N8 [- [
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: [: U- _- U( Nset global-reputation-list (replace-item j global-reputation-list new)
" B- {7 V/ {, X" \set j (j + 1)9 l9 c- C0 w" ~- t, N+ x# j
]
3 B5 `# o% j' n+ j2 h) nend
/ O9 \8 g4 Q& V
; ^" a% H9 R" v& U! d* m3 m6 a; }+ K/ z) C# B. N( H" U* k( c5 ~2 ^% m
5 d/ j. F' `* h5 z$ sto get-color
y. G5 ?( |- a
4 S+ F0 j) B& y1 `. Zset color blue2 ^9 h/ i( H# `3 U9 V% V
end
r* D* q1 X. B6 Y# Y
0 Y9 p) z- m! t2 N& V8 I$ rto poll-class* Z' r9 c: w% e0 \/ v- z
end
+ a6 g% |) o/ o- z' Z; ^" c4 a7 \+ a5 V2 W& \" {
to setup-plot1
2 t1 i) h ?/ } \, C2 P- ]8 d3 o3 g* N
set-current-plot "Trends-of-Local-reputation"
8 M5 v4 o) Q: ^ a, B: J/ d) K0 J C- E7 ~% L
set-plot-x-range 0 xmax
0 }7 @- D% k1 ^+ ~* H
# O) }2 t: s) D) T5 z# qset-plot-y-range 0.0 ymax# F8 d2 ^$ \& {7 Q& C- r+ N
end
7 G' V' r3 D; O) K& N! X4 C* T2 \7 H2 o1 b3 o: Y' P* P
to setup-plot23 R1 o5 z4 z$ n: M/ S [
( }3 m: s- [& |& T- qset-current-plot "Trends-of-global-reputation"
4 }% r$ D* n' b1 }4 u" Y! U( F) P* [ S8 V; }# @4 @& Y
set-plot-x-range 0 xmax9 O* n! ?" `. M7 _% C
' a6 T2 P; P1 R' qset-plot-y-range 0.0 ymax8 h1 Q5 _4 b& S- F
end% X/ L: E0 |) \8 a9 M
5 \% x2 u( o6 L; m8 tto setup-plot3
8 t; s. ]% c' Q% f8 j1 Y" W4 Y( J! W* k6 S
set-current-plot "Trends-of-credibility"4 b* f* y/ a* ~ a
' }( l( u! d( R0 L+ d5 g( {: R; Uset-plot-x-range 0 xmax
* ~* v/ ~1 b! o) m7 q8 G* L3 v$ S5 f, v/ \6 q9 v- Z8 r
set-plot-y-range 0.0 ymax
) d$ E, f& ]$ L7 e$ J9 ]" Rend
8 ?) w6 Z) V7 o( u- m- h& v1 c9 R7 i' q, _
to do-plots% |' H, h: h/ _# ~% E5 |3 X
set-current-plot "Trends-of-Local-reputation"
6 U4 E) J- d3 q0 v; g4 {1 eset-current-plot-pen "Honest service"
0 W' v9 z' i# i5 S7 y$ u# aend5 g' v+ K# \9 S' x6 b% W$ \1 _
6 [6 ?; M( J# i/ |2 o" }# Y[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|