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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
6 p7 N4 p( V4 L8 l/ Cglobals[
% O2 S$ G$ U* l( S1 V5 pxmax
0 {/ R. k' p# D+ q5 ?+ lymax$ c- G8 s& Z& D8 ]& o5 ^
global-reputation-list" c; C0 M* F& E( ^4 z" B/ C8 n8 Y
2 a- f9 a# G6 k, r8 C) G* t
;;每一个turtle的全局声誉都存在此LIST中
6 k9 Y% B! J3 Ycredibility-list
- W* b; e/ g9 r, z; n/ S;;每一个turtle的评价可信度( r% a1 P# t4 k3 A
honest-service
6 p6 G2 c, z, `" X0 F% U: Eunhonest-service
$ Y d+ A6 K. `# ^- @oscillation
' ~2 r0 D/ P: B3 Zrand-dynamic9 F) r" J2 J* X. p) F
]
- _( W/ r5 z' ?) b
7 @) F8 E0 P3 x: _: Yturtles-own[
- M1 ?% [+ y1 N# {+ _9 Ktrade-record-all$ r- }% U8 J4 S7 x% R! o4 J g
;;a list of lists,由trade-record-one组成
6 ?- E" e( Y6 L! wtrade-record-one' a" C4 y4 Z+ e+ v
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
3 a; S( b; M( |9 I* q& p w* r' ^+ I# G# G- ?
;;[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 Z5 ]* `! V9 r$ R/ ^- o: c
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]* R3 ]% C- y/ Q0 ?- o' ?$ u
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
* [7 b% A; ^, F9 s. ?neighbor-total) q4 S+ s' J9 ?% l. p0 q+ }
;;记录该turtle的邻居节点的数目! Y* w, g; v* Y3 n0 X+ f" x; @' L
trade-time0 C& |! w1 F. }2 I1 i) a6 Y# E
;;当前发生交易的turtle的交易时间
" Z( V3 M3 k: @: r3 v1 c* f3 ]appraise-give
. A; p( Y- D" l1 V;;当前发生交易时给出的评价
; v! t: Z0 J" ]$ m vappraise-receive
. p/ _1 c! U3 _$ o: ]% P3 ^;;当前发生交易时收到的评价
9 i, H+ ^8 Z( O5 r% x6 aappraise-time
( @3 Z4 I8 t! ];;当前发生交易时的评价时间
; r6 ]8 |) H% u# g8 A' X4 Mlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉1 t/ u9 x+ r% v" o9 o
trade-times-total
+ G) n4 v2 T. c/ i;;与当前turtle的交易总次数8 ?" K) {/ `2 N5 Z5 {4 h( N2 p. U
trade-money-total& v4 S1 o5 D' T# g5 w
;;与当前turtle的交易总金额
) K* \+ \. f" @$ vlocal-reputation
5 _0 }' @. c$ T/ J6 W( u# d2 Hglobal-reputation/ S! Z' H( A* c3 ?; s
credibility
" L ]" }: Y, b) O) A;;评价可信度,每次交易后都需要更新
$ B: F f1 Q/ x3 J# A8 a7 R: \credibility-all
2 b. d! z2 W x2 i" |/ Q3 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% C3 S8 h8 y* _8 v8 F9 `$ D# m
; g8 b' u3 V$ s2 T2 x8 V
;;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 M, A, B4 s: Z( S" F- v
credibility-one
" f, x, `2 T4 f; j% t7 b$ T;;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6 O0 W5 u0 a2 N; \2 Z# b2 F! J
global-proportion
* j4 J" K+ H; e; b2 Xcustomer
' ~2 ~- K; e% {0 |customer-no
6 U- o ]7 V$ E. vtrust-ok
1 o' Z# w/ d0 z8 K9 B4 S2 Ctrade-record-one-len;;trade-record-one的长度
j& h" a; [7 T8 y]
1 K! R1 D- L7 { s- H; _/ r
3 S; A( F! L! P; B+ U/ `( K% S5 r;;setup procedure
/ M+ n# v& u! [( y. F! N9 w0 \
9 }) q, b P* e- v4 G7 Qto setup
6 k) l9 p R5 ?1 `$ n4 N& W" c5 A5 E M% W
ca, f3 F% b3 c- ?# X6 d5 h
: h! O8 D! v2 s% m
initialize-settings( }. y# B+ v/ X/ _6 k" M5 K
: r5 K0 z# w! t' C# [; D, zcrt people [setup-turtles]
- o- z1 ]1 h# B3 i7 b7 t
z6 c) A+ o/ T* F) e1 T; treset-timer
: Q5 q8 \6 x ?% w
, H: U# F7 k) spoll-class
$ f! F/ e* l& e; O+ U' H" {/ a8 I% S2 z7 n' R: L; j. r+ `& o- l" l! w
setup-plots2 R- ]' M$ K6 \5 |! J4 f W) V
1 s8 C& G8 z6 t" O' L, d+ U
do-plots8 i* g5 P I4 q2 A7 i1 I
end! _! |& q& u9 O
- C6 A! o/ d) j7 \$ |
to initialize-settings
o) H: |- s7 P7 p ^" y5 m5 u" T U8 b
set global-reputation-list []
9 y9 O' d5 v% v" z* W0 O F. E+ ^% n+ U( ~9 Z# X! F i3 S
set credibility-list n-values people [0.5]
. q6 }% a2 M2 W" r; o7 K) B7 f* J, f' S
set honest-service 0
: _2 i, m$ |% Y2 n$ D% }4 g6 ^, S8 J, S B
set unhonest-service 0% K* L: ], b" k7 v
. A& L$ V- i# U
set oscillation 0& K( N4 G4 o6 |6 ~. _) V
4 J2 ^5 }; Q, T8 G5 S8 X* ?. Iset rand-dynamic 0
4 _4 ^3 W' S' h" G4 `) c& H3 C9 O- Xend) a D) b* ? }' N& c: c5 t
0 s' B0 l8 h& I/ D% Q" Rto setup-turtles : N# G- v% o$ k! Z; a8 f1 R) X
set shape "person"
; Y/ U; d! J, U9 c8 T- rsetxy random-xcor random-ycor
! M# Y& ]2 l: E" Rset trade-record-one []
5 ^4 a# l$ V: Z) u: ^
6 {. b1 C* \( b. ~" c" gset trade-record-all n-values people [(list (? + 1) 0 0)] + @* y: n2 K3 X( |$ m
. x+ A+ R( p0 f2 iset trade-record-current []6 I/ o. r( `! h( y4 t4 P* ?+ ]* O
set credibility-receive [], m' w2 j4 o3 g5 i% i1 p" r
set local-reputation 0.5
- o9 U; O9 F$ S2 t' X) c( E" fset neighbor-total 0
* M$ r+ y, r$ O( m# M) F; Dset trade-times-total 0
2 O. `9 Y, c" }. Tset trade-money-total 02 L- @1 W7 L+ o
set customer nobody; K X: R) }; ?" B
set credibility-all n-values people [creat-credibility]
/ w+ i- ~% y$ z! b5 x$ l3 Tset credibility n-values people [-1]
. \! E ^, q: P- Pget-color
" P% E. X9 y9 r9 N& o1 Z1 ~- T- o5 A3 s6 Z H0 e) E
end) q: z& D3 q, F1 S& Y+ [# r
3 M" O) v+ D+ O% ?- B4 p! j: Nto-report creat-credibility0 c* Y& m1 G, h8 O
report n-values people [0.5]
2 {. U+ j6 j. A8 bend
2 z8 J3 L0 S* Q2 W: R1 X
! ^" t e( @! J6 o7 {! tto setup-plots$ X" j! _& q7 I4 W+ G
/ x: U& q- f( J1 m1 b3 A) hset xmax 30
2 _% q+ U' [2 L2 R. S: @
3 j' @, P' ]3 _; s f+ ]set ymax 1.0
% G: m9 v6 n1 {- w2 t, r2 ?& u+ U! z! Z4 ?5 t ]8 b
clear-all-plots
* o( i }, s! t& K0 G
# N5 w' A( }3 Q+ Lsetup-plot1
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setup-plot2
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setup-plot34 u2 e, S! ~ P6 `7 v
end
! p: V, ^/ G/ a1 |' `6 `/ q v
y9 q! @" G- x8 n;;run time procedures' L3 B! m( C7 T V- j
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to go" q2 H8 `! m) C
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ask turtles [do-business]0 g9 G' ` x: Z- Q0 W& e Y
end+ u% O. j) c% p: n/ i- f
' l' u$ n7 j1 y4 }# i5 J) U8 O Gto do-business
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c, `( S9 |5 K+ b. Z& U4 J ~; X- ^6 `- ?3 Y; J
rt random 360
& ~5 O5 U! X. i& I5 G8 b% q; n1 W7 v- s/ d" \6 h7 B
fd 1
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ifelse(other turtles-here != nobody)[
* u# T( w2 z; @1 ]' h' N$ m" f. ?
7 ~, d- j" D, d$ }" W5 Y$ B# ^set customer one-of other turtles-here
# s# \4 c$ S: `+ O8 K/ B) d4 }( m. r* e5 g5 G
;; set [customer] of customer myself, z; S. e- s' h8 w
$ n1 w R7 @: O: m& lset [trade-record-one] of self item (([who] of customer) - 1)7 Y* V2 R/ @ N! h3 I: A6 e
[trade-record-all]of self1 x! g/ c6 C6 e( D2 W8 n! ~
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 C3 f1 a5 X6 O- z% z, Z, ]9 W, w
6 K9 _; l! F; ]9 G3 e6 ?set [trade-record-one] of customer item (([who] of self) - 1)
1 u+ ?% G% s8 |[trade-record-all]of customer
. b8 T4 f4 ?1 f+ @9 y
; r% v/ K6 Z+ _# g. k! a' [set [trade-record-one-len] of self length [trade-record-one] of self/ M$ Y* B( ~9 B8 ? I9 Q: b
, T$ I' I) Y: M# [
set trade-record-current( list (timer) (random money-upper-limit))& D6 g5 b, [% \+ p8 M* A5 S+ z
% Y$ `4 K* q* g- V5 @
ask self [do-trust]/ l" X2 m& G1 a
;;先求i对j的信任度+ P/ O% Z( e' ^& R) q: v& }5 ]
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if ([trust-ok] of self)% N, ^0 b" O, E+ n- D
;;根据i对j的信任度来决定是否与j进行交易[" R% i/ I3 W# B$ S' {! W& t
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
# D5 T0 X0 Q0 V" l) b
& E2 K9 y4 y a1 b5 q[) S5 v. P @2 B2 r' g8 X( s* B
& F5 I- O' \% s, B
do-trade
+ W6 w( O" ? Q& m+ H: p5 z7 _, r* m: u" W# b2 r9 ?
update-credibility-ijl% w7 [& V2 p% q( p& t: [! ?( ^+ B
( S. d' Y2 U( ?
update-credibility-list
$ ?& t3 |! Z7 P G# h- H3 O6 G$ W% Q, P2 g. ~1 \) n, \6 n- o9 `* ]- x
G) d2 K+ @ Cupdate-global-reputation-list6 W* A3 a4 B3 y. c0 _
; s" z% b$ }! q$ x, M5 F' E. h
poll-class
5 L6 z; v/ f. a9 H+ ]; v* h' p
8 i! L5 Y; V2 U0 k4 s( E) C4 O- eget-color
- s* ]% G t* Q0 U! l* o& N8 o% w4 N7 e" @& D" u- p
]]
! b' g" o0 ]( Y8 {2 t' w. G Y) d, g z
;;如果所得的信任度满足条件,则进行交易/ a6 w0 s/ m- y! k
1 d; m2 A N2 P5 q7 T; Q5 G" | Q
[
! t3 V" a' O4 R: F( H* o8 r0 \0 f# u1 W/ y: Z2 t
rt random 360
4 u- J# Q0 I! r- B- o' O- T
7 k5 |) Q. k8 X% u% w5 ffd 1& d/ n' k5 G3 f' _* i) G
4 A% z; f2 W% a& g4 X]) i( H, Z/ g5 w7 E6 @4 U
& g2 o8 c) P( ^1 n( y' J0 Mend
; L# A# q! H- Y+ d! g2 X; w) o1 e
8 v3 S1 `7 Q1 \8 D& J9 F0 |8 K( b8 zto do-trust 4 C3 ~! F0 K& _0 T9 V( {& {& E
set trust-ok False: T* O- B) p3 h( l- k
/ y: n$ {9 K( d G
! Q. x$ ~* C' a( Z! T# ylet max-trade-times 0) D) ~! @) K5 ?: u; V& k
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
. q( X* d" ^, Clet max-trade-money 0, u) Y4 ^9 N& f$ b, p. @- j
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) @0 J* m. u- y& X
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
! r' X; S! A, O# y% {
) _) c' e# L' m$ ?, h$ M1 e L ?/ U
get-global-proportion) W2 ]1 K0 e( V' I7 Q- z# A6 z
let trust-value' f& w0 P9 T3 W. {0 t" B& b
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)
8 M8 D4 m9 i' h& Tif(trust-value > trade-trust-value)# t# |0 F1 B* E; J1 n) c. Y
[set trust-ok true]9 O" m7 X/ I) [3 A, W) A3 `
end/ s7 o* l3 k3 z. r$ l3 W. ]/ g, ]4 X
: W' | h ]8 \1 k' ?to get-global-proportion F9 q( O Q4 P# ?: k( D
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
! G0 u3 R3 H7 J+ Z& d& k7 g0 N[set global-proportion 0]
! J' {( Z _+ Q& q4 C/ }) s6 T2 l[let i 0* K6 R: G3 Z" w( H4 [1 w% z
let sum-money 0
3 F" T0 E: |2 }while[ i < people]4 r* k& a% ~- \( V b1 h; r
[3 ^6 f. e) F5 [9 U4 l
if( length (item i
3 D3 C2 S( P0 R) q" ?# P5 P6 u[trade-record-all] of customer) > 3 )0 f, A, d1 [2 b! m' Z/ X" o% T
[) }% {# w$ u( J0 f
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
4 M0 D7 l: [3 B4 b]
: C4 b! Z1 R9 q w( l9 H( `+ E]5 s6 @; ?( Z' A# u8 S/ ]( u0 j9 _
let j 0/ M" z6 z9 w8 P* C8 J
let note 09 U5 b v3 y3 T+ F! w6 K/ p: i
while[ j < people]
+ u# N7 I+ J A4 v6 U+ {# v[
) u& r( J5 K, yif( length (item i: D" }# G% n8 C# O
[trade-record-all] of customer) > 3 )0 a) u; T) s, C
[
6 B9 H* {( a* P3 Q) M9 p; fifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
' V( K/ i8 |+ s* y4 w[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)] d; b+ B3 W1 t) g9 k& H0 B
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
. U! j# c ^2 {: R7 D2 h" `/ u]$ r! N% U& ?7 Y; ^2 q
]7 R( q* C2 ]* { \' H& z
set global-proportion note
8 p) R' _, |7 l1 v. H' ^$ J; O- h]& N; x { _0 r
end9 e4 j+ W& n- v" p; }& T1 \ q4 D
. f2 H1 F; W4 K8 l* a' Fto do-trade
# [( k; p+ ^4 P1 D;;这个过程实际上是给双方作出评价的过程
) t( g6 e' @8 B( Q) Y- X9 Mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价. f3 l8 H/ M M4 o" G4 O
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
3 B/ i& P# t8 Z" u# Zset trade-record-current lput(timer) trade-record-current
* A# j% w2 H, O. i) E7 W6 b: T;;评价时间
. `- H, ^/ w; fask myself [
3 x L7 m0 C$ f) \update-local-reputation
2 Q7 d8 t/ |# ^/ ^: [0 s; z1 uset trade-record-current lput([local-reputation] of myself) trade-record-current
7 W; z3 I7 I; N0 e4 G# B]
$ B4 q& ~3 b. N! Wset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself. s' |, k2 `7 u$ A
;;将此次交易的记录加入到trade-record-one中& R. x. Z6 C+ i* `% A2 Z& ?
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)9 ?$ Z- ^; A; F+ m% H+ u' g
let note (item 2 trade-record-current )
' N. [0 P9 p4 X2 }+ [0 k# I8 y5 Nset trade-record-current: Z3 T* c* ~' E* [$ D
(replace-item 2 trade-record-current (item 3 trade-record-current))
0 t4 P5 H9 L1 Z8 \5 [$ F" m% dset trade-record-current, e( |8 j9 v. |1 V! M% o2 O
(replace-item 3 trade-record-current note)& I. ~' ]5 s9 B4 S, z
( L' i1 V3 [2 r' x t2 t# |! i' w8 B0 i( B1 I, E
ask customer [$ W; W' s7 }! N
update-local-reputation
3 e( d9 D! K: F% E. n+ u" Kset trade-record-current$ v2 Y0 L! @8 G8 Y1 D1 ^
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) + s$ X3 U% ?8 c4 i8 L0 m: e
]$ j7 k- }7 i' e/ F: w f
8 p8 U# R+ ]2 ^* j+ |$ x% E
# i6 k; `; i6 h* k. W# K# c! a3 ~set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
4 a: L+ x% F2 _8 Z4 l$ @( T( i# e6 f) z, `& \! O; D( T
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
& i1 a! ?% y' t;;将此次交易的记录加入到customer的trade-record-all中
% J( I- H- {# {/ Fend n; e2 v$ g3 \) m/ t5 b
$ T/ }- T, l9 {/ c1 b7 g& [3 P- t) v# p
to update-local-reputation
' E7 M( E1 L4 ^) C2 }# nset [trade-record-one-len] of myself length [trade-record-one] of myself
8 M$ S4 [. a' @5 K# ?1 B7 k& ]1 w7 O; W* }3 K
' H9 \1 [! Z. G: Q3 p" };;if [trade-record-one-len] of myself > 3 . Q, h$ ~8 ~; Q0 Z
update-neighbor-total
8 Y0 t. B' L4 s( @' J) ?) i;;更新邻居节点的数目,在此进行7 x! Q! F6 R* U
let i 3
. X8 T. E1 S% u. s2 E" v2 ?% Slet sum-time 0$ G7 B* M0 `$ X+ d; F
while[i < [trade-record-one-len] of myself]$ E: o" q, D8 ~/ g' n3 H
[
" C [8 N) ?* W* wset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )$ ?1 w& ^6 o1 P* O$ n
set i' k0 G E5 F) l7 M3 s. ^& _
( i + 1)
% a* p8 ~0 \1 w]( a) p( V# Q3 ~! p- t; q+ E
let j 33 ]6 _# U1 p0 G- \1 N. I, p* H
let sum-money 0
1 l9 v' b" p$ k6 I8 i5 Jwhile[j < [trade-record-one-len] of myself]
- g4 u3 E" X3 L[* R( g. W+ C2 U1 F: _, _; U
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)+ C$ b) t$ G" k; }8 ~+ r A# ~' ]
set j
( W1 \/ i$ y7 n9 N( j + 1)8 d/ N+ h V" U6 d* W( t& U
]5 O3 I8 `0 \% M+ Q; V7 Y3 |
let k 3+ M; A5 I( Z4 K9 Y+ ~
let power 0/ F3 ]& b' N I& u! M+ p8 e
let local 0
+ d' v e6 l5 n+ iwhile [k <[trade-record-one-len] of myself]
Q# [5 G/ _1 C; Y1 {[) G3 `& N: o7 b' K- V
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) + o/ R' R: U- z" X) g& a
set k (k + 1). O, o Q7 u9 w: O
]
1 y: Z( m% y3 j3 @5 _4 t$ Bset [local-reputation] of myself (local)
" D' E2 D6 R) \end8 J" D0 X, ~1 g, S
4 F9 n& [6 f* w% ]
to update-neighbor-total+ j1 W; n( d0 T! T! G
: R9 I& u, O3 l9 M' B4 g3 wif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
' [3 Q7 t! N$ l( X5 X3 _, }* Z7 L3 ]4 }+ D
& G) N4 U4 S p |6 @end
5 h) U0 n2 R y3 m$ m# h
6 X# j- D' p+ Y- D# B6 Yto update-credibility-ijl
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0 S1 X3 G" R: W;;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。
; \7 F. m" z" |- T; E! [" B1 Alet l 0
$ F# n, A; b% Awhile[ l < people ]
% I' {/ l, g) F X$ p. f- ]6 A" |;;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)
- J' c' {7 R! f/ J1 wif (trade-record-one-j-l-len > 3)( I! E( a6 B v% C' M9 Q- Q( ]# L
[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
9 I, N% Z6 ]4 R2 |/ g9 o& A0 x4 L# clet i 3) D" Z7 V4 ?6 X) [
let sum-time 0- g4 h& S3 D& y
while[i < trade-record-one-len]1 A! R2 ~7 \9 p# y" k4 A/ ^; H
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )5 ~0 K5 }$ e6 J' X4 Q: X' i. a( j( b
set i
- w% B' d% ^% g5 a( i + 1)3 \1 ?* z( U2 }. B
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let credibility-i-j-l 0' ~0 v! ^0 p R- g0 o8 f/ g8 x' H) e6 i
;;i评价(j对jl的评价)
% C3 v) L8 G; s; {! n7 V dlet j 34 E# B1 K; `( A, t/ }% ^ [9 n
let k 48 \ D" S' l% l5 c
while[j < trade-record-one-len]
( a- ^- j. n+ O% E( K2 V[
. w! c, g( O9 pwhile [((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
# U# p/ J2 f' a' rset 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)
I1 h) g3 D5 Hset j
- ?( ~# e+ i; v. k- L+ W" k( j + 1)! J' d( N% w$ T
]
+ l6 S8 g2 V& O& ~ v6 Oset [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 \9 u. Z7 f, b+ g9 Q6 z" T+ N+ ~) G
$ L+ u+ y4 \$ x9 d
5 u S' k( \: X; w5 H1 v, s& Y. clet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))8 [" K/ i) B& }* F
;;及时更新i对l的评价质量的评价
1 C: @, j# j- g( Cset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]' S, G) j) U$ G5 Q
set l (l + 1)0 K* W2 S6 L' j9 z2 y
]
! s) a# D/ |+ [: R* [- Z6 tend
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to update-credibility-list
) p8 q% J& z; o* e1 o/ blet i 0
- q1 ?; z- `/ |5 O2 ywhile[i < people]0 ?# G$ J+ M0 N" ^
[
5 W7 y" s% m# W: A7 z* X* K$ Ilet j 0+ u' o% V! V$ h, ?
let note 0
+ ^- m6 [ }7 V- ^: v- Plet k 0# A0 D: b& X1 C/ Q( D
;;计作出过评价的邻居节点的数目' B7 R, |4 S2 c9 D+ A( B
while[j < people]
3 T& O0 `: f$ P2 B" n[& a1 g$ `/ R& t4 w
if (item j( [credibility] of turtle (i + 1)) != -1)
9 g6 \% b; V: o5 b- v' H5 w;;判断是否给本turtle的评价质量做出过评价的节点
( n7 B' L q }7 P1 Q4 u9 `[set note (note + item j ([credibility]of turtle (i + 1)))
8 E3 r5 h9 @$ S t- H( {1 |4 Y;;*(exp (-(people - 2)))/(people - 2))]
7 ^) ?& p& Z) W1 a- G$ Rset k (k + 1)
& ?! H1 {& z6 h]
; T. J& k2 M- K$ E/ Wset j (j + 1)
! o; g/ V) a0 y1 t& y8 J2 }]
* g: q6 `+ f9 U$ Y- oset note (note *(exp (- (1 / k)))/ k)
+ |0 T% j5 M7 l6 A5 p/ jset credibility-list (replace-item i credibility-list note)4 S) W' U1 k6 `: b
set i (i + 1)/ \& `% X; Y" _3 l0 z
]
* {- k. s0 G! W7 z" o9 Z& ]end5 } D' g) T; v2 R# |
1 V I2 m" n- {" f' \8 p
to update-global-reputation-list, Q' s( V$ ~) r' ^; h% E
let j 0
3 ?: F6 f/ E) Q' A2 @6 hwhile[j < people]( B: f7 Z/ C2 H, A; a0 h# J0 F
[4 n9 ^& ^/ I% g x$ t9 u
let new 0
( ^1 I B6 l' z8 S;;暂存新的一个全局声誉
. N& W6 J% n2 Ilet i 0
; |5 M6 h. p/ t! nlet sum-money 0% d; `$ K" r" u6 _: H; e$ ~
let credibility-money 0
$ u" `8 m( C4 c3 R3 Z. E1 s6 Cwhile [i < people]
! C; N: y! ?. D3 ?* N5 x0 Y) \; H/ L4 `[
# p: F$ k5 o1 H+ V% ~set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
2 i* \ l" }% A2 V2 oset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))" ^% j/ b- W& m9 S
set i (i + 1)3 ~, z6 _) s' d
]
. z" \' {3 G: z$ A5 o! f0 o0 k9 ^let k 02 x% q' ]2 @3 z* h/ T5 L% L* {
let new1 0! B& ?- [" W5 \
while [k < people]' q$ ^: n Y. S5 Y
[3 k2 L9 @6 Y: c+ ]0 V. V
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). {( i0 n4 ]& ^. ?/ G
set k (k + 1)3 s: A6 Y7 A. f3 s+ C, w
]
' k8 C, X! a6 p( L" ~9 H6 Uset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
V3 e$ z! ]& O4 s. O2 s5 wset global-reputation-list (replace-item j global-reputation-list new)- D3 M6 m* x' U) p; w
set j (j + 1)# q9 v' G( j. k4 o- B
]
* t0 [2 c* h6 h$ Eend
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3 Q# ^9 Z; z6 z. j
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to get-color; U7 ?+ \7 L" h: W u& W
8 w% l) K9 D- M4 S- Kset color blue
3 n: N1 ?, _7 Q0 v) Jend
' }! e" k7 P' ?$ E5 i$ Q& H$ m
9 Q0 Z, Y1 P. Xto poll-class
# H8 o/ u7 c- V3 Y! [: Qend
) s) X1 S4 }# K& X4 V# S! t; ~
to setup-plot1
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" C" Y1 M$ f" _9 `7 b0 j8 hset-current-plot "Trends-of-Local-reputation"! }9 f% t. ^$ r" ^; ]- M
$ S& e' @* [$ Xset-plot-x-range 0 xmax
# Z4 j1 U0 P9 H8 f6 r& r' s Z3 o+ c0 q$ o; a& T4 P2 G' Q( V9 h
set-plot-y-range 0.0 ymax. g; V, v0 X7 h9 V
end! `5 [' y! P: G) }2 q
- A8 ~+ a7 b& y' p
to setup-plot2
0 o% i! R, m. h9 m8 }8 ]2 N- x# g" @. c& f$ W
set-current-plot "Trends-of-global-reputation"
6 c9 d# U# p. F0 x1 ~4 O3 e: D" |; i0 g) W5 p0 }
set-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax
$ w- i6 ^3 ?8 R- R1 t' U, W/ nend. y+ k. v' h8 E3 c5 r3 j O
4 }! R( I9 H3 I3 B9 wto setup-plot3
2 k S& v& q: O( [- l+ m0 G& G, A; L4 U0 k
set-current-plot "Trends-of-credibility"
+ \' }! F# x* }4 o* u& J1 C6 e9 V" W' u( a- e
set-plot-x-range 0 xmax
4 T+ i3 z+ W0 X- o4 \# {
4 e, [; Q% N) A& Mset-plot-y-range 0.0 ymax
6 d$ x- Y- H6 `# o. V& Dend& x! Y& h. g5 n# X- z
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to do-plots: x3 \7 A6 C8 ^4 R
set-current-plot "Trends-of-Local-reputation"8 K; b' K( {9 }0 [* |
set-current-plot-pen "Honest service") C9 p( Y! f* i" [7 ]' e4 {' N
end
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6 Z" |/ I: ]# L/ U6 A( M5 z$ s[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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