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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4 r) E+ K& @% b! v; H+ G
globals[0 a5 N/ z* b! y( G+ A/ r9 S6 O$ h! o
xmax
* V7 n/ l3 c% Z; vymax& A7 A+ v0 g/ f, b% i) d
global-reputation-list
. D8 x7 A- D9 f: _2 U* C2 K! P) n4 [) c: k a3 U! E; d' V. {1 `
;;每一个turtle的全局声誉都存在此LIST中# i& J* `% S3 ]4 }0 A4 v1 L
credibility-list4 w: t2 x2 C9 {; n% K( J3 R
;;每一个turtle的评价可信度0 Y9 w8 P2 C& B3 A
honest-service
# c) Y6 H Q/ p, Zunhonest-service2 \5 p& P* z+ t
oscillation
9 k- E( W& u; g4 j3 erand-dynamic
0 [: J, m# y, x3 A9 N]
$ h/ n6 I* @' L l) o
E/ h% o) }* ?# r" X" Tturtles-own[
6 S" E4 h4 u. e% A U& e0 Etrade-record-all
; D$ A5 z) \" H$ l4 @;;a list of lists,由trade-record-one组成& h. p! |! F/ A l- [
trade-record-one* B/ I% @% [6 Z1 @
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录$ a; q! ]2 u; [1 B6 v
9 N/ [8 L" S- R# x6 ]9 O- @% n Q5 k
;;[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]]$ g" C* F; d- j; D! I
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]
; X: Q/ e' F6 R4 j. c: P: ]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
* ^9 \- Q0 H; U& Fneighbor-total
6 m4 u# \8 e" ^( E# ~. L;;记录该turtle的邻居节点的数目& P! |. ?% C+ x8 S' J# w2 K0 r+ N
trade-time
5 x4 |# } b7 s; D" e$ k;;当前发生交易的turtle的交易时间
5 e$ b9 C6 q$ X8 W d- aappraise-give* T4 n7 T( C1 w
;;当前发生交易时给出的评价
! `1 c8 R" }0 Pappraise-receive6 c, R. ]+ w: c
;;当前发生交易时收到的评价8 R+ u$ Z- P8 @* f& k' O a" R
appraise-time
* O& I' q$ N/ |9 w+ U;;当前发生交易时的评价时间$ ~3 L% t+ `1 i! ]
local-reputation-now;;此次交易后相对于对方turtle的局部声誉7 e0 U, d" e7 t: V+ l$ r
trade-times-total4 u/ E1 G$ g2 j# ~. X2 y! U
;;与当前turtle的交易总次数0 p/ I5 Y( l" W2 ^% H
trade-money-total
$ H2 R0 T- m9 f7 c;;与当前turtle的交易总金额& c" n: [; O! t( x: ?- Y
local-reputation
7 ?. A3 F4 n( {2 L1 U. tglobal-reputation
7 v3 k/ X% N* x" B& R- A2 ycredibility
" r, T4 \2 L% d2 F7 `! X;;评价可信度,每次交易后都需要更新1 ~- {9 [4 P. W4 G$ w$ `5 e
credibility-all+ a' {7 S- ]. v+ o
;;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
/ n' d9 y. B; A( R, I& A! |' A- T, w' B/ E/ C0 u6 O
;;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
}0 f' y! N& ^# [$ j. Y. L) I0 }credibility-one- G W3 W8 Z4 M, o/ }
;;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
4 s( F) P! D" }# F0 m! Tglobal-proportion# c; z2 t0 [9 g
customer5 m9 s$ T7 _8 z. ^- X/ o1 h
customer-no1 o2 U+ ]" N" p7 P2 Z
trust-ok
1 G' M5 P7 O+ i8 qtrade-record-one-len;;trade-record-one的长度" P3 w/ r. L, p) m8 F% s
]& b" y9 o! j. I. T! s
. U( x8 {$ \/ V, h7 C& H7 I;;setup procedure
3 q4 f& `9 i% I3 ^& p# O [0 p1 V* a; P, M a
to setup0 H' b: E* P. G
2 o& a( x1 U9 q: q
ca
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initialize-settings* L; e6 \ B& y3 X) U0 }' ^% Q0 U3 }
q! E! Y) |4 `' B
crt people [setup-turtles]. t7 F7 c' r6 N3 c- K
# `$ M' I2 j/ p- G/ }reset-timer* _$ H2 Y! l. @* {) v+ Q
& l8 F# ^& X/ a5 O) q8 a2 @
poll-class
+ J5 j$ j' ^8 j; R9 k4 j- M
, g& r7 q& P9 D# e' lsetup-plots0 M+ C& Y1 N; L: X0 G6 n
6 E& x" R% B, bdo-plots
4 _( p; [* ~$ E& r% {1 Vend p" B- E2 n: z+ |2 z/ J
. @1 Q; y3 ~6 L2 w8 _1 Y) L
to initialize-settings/ a! |1 D' e) a y
+ w+ O5 V; q: h3 I7 rset global-reputation-list []+ w. D V# b! e! U1 U
. l; G1 J" R; C; D3 U3 Z3 l' A7 uset credibility-list n-values people [0.5] Q2 f7 w6 J( J( `4 A F' |3 e& N
6 _8 `' Z# F" i, _$ e4 @' Wset honest-service 0" I1 f$ x/ z& \" i1 V& t
- ~ g% I# F' y7 C t& F. q8 t8 xset unhonest-service 0
0 ?: n4 m A5 T- f/ K( M- v. Y& Q& y' V7 Y4 b5 \
set oscillation 0
! C; Y+ b3 P' ]6 F( e4 H/ E9 N# D; @ e! i0 V, u" l4 Y
set rand-dynamic 0 {/ v- w* a3 _9 i, c' E8 Q2 E
end
( A3 U! `4 {# |( P2 H0 K9 }7 Q+ ~
; x/ u3 y& V8 Y% P% P1 qto setup-turtles
/ w% q7 s, b; e/ l5 d1 cset shape "person"1 Y- ]5 {: S% Z; q4 L" [- |
setxy random-xcor random-ycor
! E; i& e' Q2 y. e6 k1 eset trade-record-one []9 E ]0 ]1 O& ]2 y; g) d
4 P+ m, |# m% ]7 v* W6 x' o
set trade-record-all n-values people [(list (? + 1) 0 0)]
' T8 ]2 p0 m1 f% e, Q9 q3 V# ?/ ]: F3 N- t# g, ]& ~' m
set trade-record-current []
# i2 q# F2 n+ h" y& J' Q- _set credibility-receive []4 E) Y8 w% x6 F) E- D8 E) K- y: f
set local-reputation 0.5
X- \5 o0 e6 E) }. Fset neighbor-total 0+ H6 P) q6 B" d% C( A
set trade-times-total 0
* X |% Z. s3 nset trade-money-total 0' Q7 L% i" ?3 R- s
set customer nobody7 E6 [+ U, {& c- a" B$ {& \
set credibility-all n-values people [creat-credibility]3 Y- n b% C: Z0 w; x
set credibility n-values people [-1]6 ^2 h, R' Z' T+ r. s
get-color
7 e8 g D4 \) B- ^
, y0 \0 b p" d8 Z% lend- k, u& Z0 p; c
3 v( U5 L& ]* z- M- J- M& Z
to-report creat-credibility
* c; t4 S4 w1 v; dreport n-values people [0.5]# [0 c% T1 m+ s9 j) ^* u0 t
end
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to setup-plots- p: P0 o S2 M+ G, q5 g+ U! d* z/ |
2 J& ?* k. J$ L
set xmax 30 G, n* K1 _4 |1 z+ l6 g ~
& k1 f0 }) j2 @+ Z# F7 p
set ymax 1.0
1 M5 B& g c' ^- }8 _9 D# i$ a4 w
( I6 }2 z4 [; p, ]: Q7 D/ fclear-all-plots8 Y. c, i, h4 O5 `) t3 d. B) \0 Y
$ T0 x. |1 v, K4 M$ X0 p: \8 s# q
setup-plot1
' u7 M5 B$ V5 g3 G+ ?: u1 B/ f' S
( g" v6 d; `. I5 K' |setup-plot2" r9 o4 x } Z: G: l
! n! O5 e+ g& t _" s1 B$ L( Usetup-plot3' D8 Y) }/ w, w1 z7 x, P6 y
end2 i9 a/ V# a1 R0 K. |
) v7 M/ O! `8 u1 n H# {7 @
;;run time procedures
$ e6 u2 p @( \* d3 p* `/ G% v
; Y2 z l7 a/ _$ [to go
( K3 X9 J3 v2 F# B1 C. Q7 u( s; \' `' \' y' u, a7 t8 p
ask turtles [do-business]! }4 F- P l! p3 b& o$ i# h% P
end, d' K- q: T. D4 U" D( f- f# o! _
) ^* N$ Q; u; b; X, q) P
to do-business $ {+ v: ~3 L3 v; j( R5 D
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* y, H6 v) |( p
rt random 360
. r. ]/ m9 m2 m8 f$ }0 R* }. {, U- x" ]/ i+ k
fd 1
f/ q. y+ s) x% }6 d: G' Y- x/ j" h- u0 ^$ }6 s% G7 l
ifelse(other turtles-here != nobody)[
# h* b/ I" u7 c8 D0 O, `! }1 P3 [6 F5 r8 Y
set customer one-of other turtles-here. q/ H2 p0 ?6 V0 }+ |
; \8 X2 j8 h. S Q5 R;; set [customer] of customer myself6 B% `" c* j0 E2 m' g/ Z/ F
9 S4 {: Q7 L- U1 N. `set [trade-record-one] of self item (([who] of customer) - 1)
- |: t. K' d" i* q+ n, E: W! }% Q1 r[trade-record-all]of self/ V4 c! m, i) d7 d+ V
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
+ O' K2 ?' l: W z/ }0 D3 ]
P4 {: ]3 U- `1 S; l6 W+ f% Tset [trade-record-one] of customer item (([who] of self) - 1)8 | ^8 Q& W) y& i' p6 N1 @
[trade-record-all]of customer
7 f' n% [5 S; v) V& D( b1 h* r1 ^6 n+ K" V4 }, C
set [trade-record-one-len] of self length [trade-record-one] of self9 u0 W" J/ `: W: Z- y W- |
9 m- g- ]$ t: u, l$ |/ W
set trade-record-current( list (timer) (random money-upper-limit)) ]! ?) c7 d, c: D1 E* G4 Q0 A/ x
! W! I9 ]+ s2 i9 Y& Rask self [do-trust]
* R. P5 N8 i* p! b4 B l- p( N;;先求i对j的信任度
: T4 N/ b: g; S! E Z
4 c5 h; y. |; x: k2 `; i4 Bif ([trust-ok] of self)4 J1 x9 s3 O# q. j$ ~
;;根据i对j的信任度来决定是否与j进行交易[
# ?$ r- s" F, s/ jask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
1 }2 Z8 B; }# x! H" ~8 g+ R6 H# F8 M. q F6 ]- E
[
9 U: S' v' {6 L! U: o- [
4 w4 F( M5 U$ l& Q/ pdo-trade
& v. X" \ a! O6 K- r9 i+ n) d/ `
update-credibility-ijl
1 K/ C" a4 X& W( ^& A# A
1 o" ]7 W0 b. P! ]0 m; Dupdate-credibility-list
5 g& E, u) r" K
7 E& S+ {/ A5 b6 t2 Z5 e8 R1 {7 X, @: O
update-global-reputation-list
& }" `3 P! G) z; @3 I9 A' Q& ?) \* s ?1 A
poll-class3 f$ M8 T3 `2 {
% p0 w* O5 D1 h: A. v/ d$ \get-color1 i1 M4 @/ @# ^
9 F$ d7 s- V; _: |
]]% a- Z/ I0 h+ d
0 @ `" b$ h: J( D1 C
;;如果所得的信任度满足条件,则进行交易6 x0 t; L5 A8 K
0 `: H/ \( ^% A/ H1 e" |
[$ u6 W: g6 @# Z8 E& S3 P
8 a( L2 [$ ]8 Q5 m8 zrt random 360
5 u) a& U1 a) y B2 B4 k3 L- m& f& n4 g" w. w
fd 1
; s7 Q! D2 {, _" O1 J& C+ k1 h4 A! e& G. C$ h! L
]: ^( D3 n3 z/ X7 w: j
% n& |2 y, p; e7 h. v, }end- F: G% G/ u& F
0 J9 ^, [8 b) Q( q; O( z
to do-trust ; K# P$ t# T# ]$ k3 b: h) R' j h7 X
set trust-ok False8 a. m& x: T/ i0 X4 H2 U% D/ R' I
$ W0 ^0 ~0 h4 r/ J/ K% B" d
' H. L5 p3 g( N4 Flet max-trade-times 0
* x) v+ E v0 K9 Aforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
) u2 E+ V+ Z3 ^" t7 r9 h! G! _let max-trade-money 0
4 {* L* R+ f- Eforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
: k7 B9 T: J4 Dlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))# G6 |2 |" O6 w2 |* k7 {
2 |" z! C; R8 f9 u( w- ?& e% ]* g4 t/ R, P2 a' T, ?
get-global-proportion
. |$ g* f7 s8 t9 h- Llet trust-value: q s# c/ G' ~; @ I l- L
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)
% C% n) H/ z# s5 ~$ ^/ q6 xif(trust-value > trade-trust-value)7 \+ K$ |7 w& ]/ R1 ?' F8 }3 Q' M
[set trust-ok true]( v$ D1 Q, [. `4 I2 A. S0 Y i) O
end) u3 b( \5 E) i
6 w$ h1 o m7 [4 T" F! V) `+ g$ n
to get-global-proportion/ O7 _& B% v. ?$ R( A& j2 H
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)# E7 i; K. J$ o
[set global-proportion 0]
3 _/ r% A) V* x7 E R( U! s[let i 01 ?$ Q: H% \4 H, H A! s
let sum-money 0. @9 U# n1 C' H' |# Q) G
while[ i < people]
* l2 F; l( ^' X& p% t[! x8 S) L/ n( m9 M ~
if( length (item i
! z1 U2 F+ R- {- r( w6 O[trade-record-all] of customer) > 3 )) ?- E7 H1 R l. a$ F( j+ n
[ u* d; @2 Z* {5 F. `
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
" W! c# W& S, l]! m$ P6 s3 F3 W. v8 S
]
e: D7 c) I4 g1 w% n3 T* O. jlet j 0, S5 Z: b5 Y; R. L6 i* R. i- N* z
let note 0
( K$ D7 O' x! u( c; swhile[ j < people]
6 o2 T; e8 X1 ?# R7 M( w/ T[( r T$ h' y; X
if( length (item i+ S' Z6 X8 _# O- y
[trade-record-all] of customer) > 3 )
0 w5 N) K- j' C+ P8 G6 _( E- z0 N9 u; P[4 w- s* V$ h( k! C( H% m
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
, a- g$ a$ U# v[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
. D4 T7 l$ M0 |4 T/ {[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ e; o3 l2 b$ X% `* d' ~]0 | I X* k& {2 N( r7 `
]
- K- Q3 ?0 D) vset global-proportion note
( d Y& W$ W# q, Z]
# v7 c1 x9 S8 {. S0 M0 fend8 c% _$ i1 U I; i: h
2 {8 {0 s! h0 l, ~to do-trade
. q6 @ B% c/ }2 \, ^;;这个过程实际上是给双方作出评价的过程
# e& ^: r3 ^) Z. K9 B& u! ^$ jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% l( }- S* N# C: P5 G; Sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
7 ~/ b8 h2 d, v% { yset trade-record-current lput(timer) trade-record-current+ n1 i) U: m: }* ]
;;评价时间
: s) X& x4 ?7 Aask myself [# E) |. r$ K. y- G
update-local-reputation1 M; z6 x# a6 b+ m
set trade-record-current lput([local-reputation] of myself) trade-record-current
5 m* u5 t; L, [: P; g) w+ b+ v: d. ?]* ?$ l' p( U/ ?- o: V3 F: t
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
% S3 n j7 i$ ?1 t8 f& H;;将此次交易的记录加入到trade-record-one中
/ g; h4 l& Y7 {set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
% {6 r: B8 |7 n( u3 M0 mlet note (item 2 trade-record-current )" @* O" f- k5 B7 D# V3 z, r. n0 }
set trade-record-current
5 H8 a: G) t8 ]. b5 T(replace-item 2 trade-record-current (item 3 trade-record-current))% W% i3 u! w7 z J K
set trade-record-current
o' W2 J2 r) q* Y2 M! \(replace-item 3 trade-record-current note)
5 i0 t3 L. s' @1 c. q' A
, f, G$ p% w" w. K
! O, Y/ k1 D0 b) Jask customer [
# _" t; m: w# h8 G% x9 Oupdate-local-reputation
' ?: l! m, L- V( M8 {set trade-record-current
7 Q0 c+ S0 P" \(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
: q1 }" U: J+ M! {* ~* t4 D, F& B# J]
# ~1 \& {! L" d3 Z" P9 v. e* J& M/ n( A
# c: ]$ p' f! \8 b# ?5 s& O
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
. L) _# M; [& v5 T/ _2 F4 b
$ I7 c5 Y$ K) zset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))/ k2 D, Y7 `! v5 x$ Y
;;将此次交易的记录加入到customer的trade-record-all中 a& s- u! Y& L$ t& S
end
9 v# }9 I- Y; b3 F. j. H: u5 ~$ T( ~( K! F2 k J ^: c
to update-local-reputation$ n4 M2 ~+ }7 d# P
set [trade-record-one-len] of myself length [trade-record-one] of myself
' y2 P4 s% V1 L! o% a D' M7 Q2 A! z7 R% H* z, m
0 I+ ^" z* j3 L4 z8 p- a
;;if [trade-record-one-len] of myself > 3 6 v5 A3 z3 K" d( o Y3 c
update-neighbor-total& i* c y0 A3 [( q' v
;;更新邻居节点的数目,在此进行
2 `, C+ K3 {; b4 q/ o2 _" o, v: }8 Hlet i 3, f" l* B4 u' A6 M$ `+ m- t; {
let sum-time 0
7 I" d. m$ s# }5 d2 iwhile[i < [trade-record-one-len] of myself]8 F/ \9 b) u0 t
[
: n# d8 @+ M+ n# y3 y3 v% F. S" Cset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )( z! G6 N7 c9 a+ h7 ?6 g
set i
) u1 q0 E* ^0 M& p! M' I( i + 1)6 `. R3 X) N4 A9 b
]4 f# `7 Q3 D( @0 C% F ~2 D
let j 3( S" Z9 P- g* o t$ Z+ e8 q
let sum-money 0
; h* J; I$ ~3 K7 T0 y, Z" Lwhile[j < [trade-record-one-len] of myself]
. D6 ~ K j: b$ Y[
4 r9 \9 [1 c# }+ M/ F; ]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)& G0 ]* W5 E6 @7 U* |4 ?
set j
- W* ~8 \; z% k" R4 C) [/ B( j + 1)
, L |) w* N( u4 r3 H* T/ K: h7 F4 g]0 K q" E6 @; V0 n* n* C9 U2 W2 [
let k 3' O/ g& h. i1 o. D
let power 0
2 V9 G# f P0 Qlet local 05 e! R) e+ b% O& S B
while [k <[trade-record-one-len] of myself]
r3 J7 b" ]' ~5 o[& v8 Y* _, ~5 D4 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)
5 j( f9 ^; _; v6 y" Dset k (k + 1)
. P+ }* l# ^+ Y7 P- H]4 k! X: S8 {$ F* |) a! Y& f/ U0 w' ]# J
set [local-reputation] of myself (local)
% E B2 S* M9 ~end
0 a/ R5 Z/ H- x( G
* S+ k" T( ]- [; d! f' S$ d7 O& Gto update-neighbor-total
2 }! `' J) J6 R- N0 H* K
5 X( l: s$ s% J/ Mif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
/ i% @2 ]5 Q; R2 R4 O3 f8 r4 n: `4 g% d7 B+ X- P
# N0 U4 \1 g' Y4 G& e* f c4 jend
, U' d+ E' J0 Q; T- ]) e e. e1 U6 |/ }2 I8 [
to update-credibility-ijl & g! m6 [1 X4 h
7 X+ r: J& H# p, h @4 W. A6 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。1 L: I: t$ I' V! k9 V. i& l/ _
let l 0( V8 ^( i3 d8 @5 w3 Y2 M5 g
while[ l < people ]3 u. F) o' b7 W. a3 R H2 U0 H
;;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
2 T. v3 G5 i. A[. e, H; {% N0 E( T! }6 q' g
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)0 D R5 U X" K: f n9 a, i7 R
if (trade-record-one-j-l-len > 3)
7 \7 T- ]5 g3 l+ l4 S$ y2 S4 r, D[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
" h1 l( _( V, o( a# Mlet i 3
6 Q- D9 a8 X% F3 }2 t% nlet sum-time 0% N2 F, \ X2 l6 p4 i
while[i < trade-record-one-len]
6 Z$ e( }8 l% ~ w* Y[ r9 u6 c# H3 S9 y5 t
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
- ]* E# l! q8 dset i1 u2 v% l: `+ l8 D) Y9 Y- Y
( i + 1)
/ x3 @7 C: N' }( F% o/ B; L]& y1 k# u# l! E H4 F( d/ I: R
let credibility-i-j-l 0
! d1 \7 S9 T% z# [;;i评价(j对jl的评价)2 Y6 O$ v; s9 z$ I% j8 B
let j 3
1 m& b0 D+ v glet k 43 [- h- U( C! _& i' I. {. X! g: K
while[j < trade-record-one-len]
3 H- m1 ^7 A( Q9 m* b[
B4 @# p# N* nwhile [((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 y# z& Q) x/ Q! m* Z
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)
8 Z7 }& j+ n+ ?/ xset j
+ {8 z% c' x2 n1 t/ |: i0 |( j + 1)
2 F. L4 a4 A( s, k; b]& g+ b4 [8 ]1 X# C+ |
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 ))7 t- W1 Y: m# Y
0 S2 ^+ z4 i8 } V
8 P$ Y3 H+ r$ k5 r6 h" r8 M3 Slet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)). ?0 b5 u i- \/ S5 M6 Y( R
;;及时更新i对l的评价质量的评价
" e1 U- G% k% g8 aset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 n1 }1 J7 p4 h" g. Rset l (l + 1): \! O, R& ^& ?! j6 B
]
/ ^* y7 `, Q& z# Iend5 v1 e1 m1 N4 F5 e, |9 E3 }5 ?) F/ x1 n
% V% G& A; G' v, A! w M
to update-credibility-list4 O- N! n+ p. j; u( }, R
let i 0
6 B, f3 j. f( Awhile[i < people]
4 z( H f+ a3 o. H[
( O6 V% _* n3 O/ k X( Glet j 0- m4 n8 h: V' e; G% ~
let note 0
9 s3 S8 x" w1 v J9 rlet k 0 V6 D; ?; H- F7 @0 H
;;计作出过评价的邻居节点的数目
4 r# B6 W) x; E, awhile[j < people]
. z& v1 h# C/ ^6 d6 |2 G; x* Z" |[* B% v1 g) |7 O4 [8 A
if (item j( [credibility] of turtle (i + 1)) != -1)9 _9 s5 G( F! D* v) P& W
;;判断是否给本turtle的评价质量做出过评价的节点
; Q* W' X O% q3 p[set note (note + item j ([credibility]of turtle (i + 1)))
% x- F1 I% k8 o, i! [! s1 e;;*(exp (-(people - 2)))/(people - 2))]- T1 b! a- E! F$ [, p
set k (k + 1): J) X& k( N; p' M, q- @& j( r
]
. [3 d+ U! m5 pset j (j + 1)
! h7 K7 v8 L3 T1 `7 H]( Y- y1 F9 K3 `6 S
set note (note *(exp (- (1 / k)))/ k)
7 I/ T$ W8 m% E! g; r6 bset credibility-list (replace-item i credibility-list note)
! P0 w1 p9 X' nset i (i + 1) i8 w$ w `, H$ ^
]' z* p$ O) W" E- H/ r& r/ N
end7 v+ T+ G# `0 K7 f
2 S- Z0 W5 x2 Rto update-global-reputation-list
! z' _/ L9 U# Klet j 0" h- E, X! [) r6 h: F2 k- h: _
while[j < people]0 y: B' h7 M- o
[
* \5 A2 O3 C9 D/ z ^: K" H6 nlet new 0/ U/ I4 V& D- N2 K& H' G/ d/ G4 t
;;暂存新的一个全局声誉
; h9 e8 p7 C; a" v Zlet i 0
# ?- {# @1 Z8 wlet sum-money 0& x% o# B% S4 }
let credibility-money 0
. N( ^/ q0 W4 d+ I! @" a; p0 I3 rwhile [i < people]
8 B0 ^- X7 g, ]$ h# `& |: d[
' k& B4 b& ?4 Tset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
! l4 _! s+ }+ s" y1 d- r, Sset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))/ T/ o* O0 x) J3 X7 D# S3 }
set i (i + 1)
& R! A- L" j5 @& L/ a]
9 I# Y9 g& V% G$ V. ~. ~! f9 Glet k 0# r( a% d i! A( c* P
let new1 0
- ~ q- W: D' x& `( p* B8 ~while [k < people]4 @1 r- S4 f- y: p
[- P9 X$ i1 k+ c6 }
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)3 |" k; y( P2 Q
set k (k + 1)! j2 ~. ?+ A0 _* W' ]
]
* Z: F0 @6 J6 O2 ?7 Z. X, Dset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
% ]! c1 ?& C9 p: `) |set global-reputation-list (replace-item j global-reputation-list new)
. W$ |! b, A: O% k5 _set j (j + 1)
, {& v: Q% d/ W8 B* t- C, O H], H( @3 {0 E' J) W& E
end- O5 }6 w2 [1 N: ?1 z
0 E/ J( d1 t: Q: t) s0 _# a3 z2 C7 ~. K7 X$ w8 E( E. n# O% z
& w$ |4 k: k- \9 O
to get-color
) { N p4 b5 @( e- q, Y
. H3 d, l3 _6 Eset color blue6 y' Y4 d/ S7 T7 h+ n6 T) U
end
U; P2 k7 A$ c' f C# q1 t$ U: t! V4 N# ^- K1 T( M
to poll-class$ G; ]0 y7 s0 G# K" c
end
( {1 O1 d8 m# a2 r% T
; [# A$ T( j( q% [3 @to setup-plot14 x8 t+ m4 h& c Y3 Q6 }& |7 H; l
" T4 ^- s1 i+ B/ w
set-current-plot "Trends-of-Local-reputation"
& w! }. w8 G+ M1 [/ @( T9 E# U* _8 K6 C/ |8 }$ C
set-plot-x-range 0 xmax
: \% n- O0 e! o0 l4 l: b: z% A$ Y2 U, k# R9 x/ ]' X
set-plot-y-range 0.0 ymax
: ?. y% Y. J" M7 ?2 Z' jend( n6 b. {( A- q4 Z- w
0 x( h7 d/ e5 G8 v+ v5 ^to setup-plot2
& p" _1 A; B5 ^6 V1 v5 e0 b5 R: @8 r8 ~8 {0 D& y
set-current-plot "Trends-of-global-reputation"! g0 S6 ~8 p1 `: }. ?
2 x4 O3 O, B( Aset-plot-x-range 0 xmax! a6 e P0 w0 o% W$ K
( L- o5 t5 |: ~- }set-plot-y-range 0.0 ymax
w' t: ?( V1 G) A. z6 a7 T6 ]end
3 p! j* E* e" l) X$ T. Q" c: V) O; K
to setup-plot3
' f7 R5 \" h- f) z% l6 ]. ?' n! Y# Z4 }6 n9 Q+ j
set-current-plot "Trends-of-credibility"
; Z% j" C8 G n& f7 s" K w: {9 b u+ b# s
set-plot-x-range 0 xmax
E3 L" x1 P8 ]: x% _# H! H* d& }' Z7 y+ H* Q
set-plot-y-range 0.0 ymax
' X) {1 o$ ^: A: \- |* a6 f9 Zend3 b5 {% a: [: {
8 e$ M' r4 x2 ^5 q% f! V+ oto do-plots6 d. S* ?2 j* v6 ], c: g
set-current-plot "Trends-of-Local-reputation"
( B4 |2 e% I6 |6 d3 q: D0 R" ^8 qset-current-plot-pen "Honest service"0 Z7 m z( e- J0 G8 {
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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