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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
2 L6 x' t8 W/ X6 M! K* Wglobals[
. T% q" e# p7 a. {% A0 C' txmax
$ Z- H! A( W4 I& {6 xymax
/ D m [7 s1 Cglobal-reputation-list
7 L3 q1 V4 x7 C+ R6 @ ~* ^
( T1 P$ D \8 X$ D;;每一个turtle的全局声誉都存在此LIST中- [. r' t5 q& }5 f3 w
credibility-list5 s/ l" n& X- H: q, ^5 ?
;;每一个turtle的评价可信度6 `# \' @" X6 x( J% a7 L
honest-service
% n. U( S! |9 ^' funhonest-service" F" {% H( G1 T. E; m
oscillation
5 B, C" L ?( \5 p9 Zrand-dynamic+ |1 H1 C& Y% u+ D. f
]. d- I/ s6 U {+ x
! m! f, w$ @# e+ S8 H3 A- J
turtles-own[5 f% K# k1 Z z
trade-record-all
, B8 \& ]: Y$ T- a: _( ]5 p# o, X;;a list of lists,由trade-record-one组成
+ [/ p$ [/ r' _# ntrade-record-one
0 ` u I. K0 \1 C8 B;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
4 I1 H$ G" f3 T# ~* g4 x" Q6 _; _' u( O0 b9 D2 F/ d
;;[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 q/ A% e. o% N& n0 G( Vtrade-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]
2 u$ `5 K) N+ \7 M8 vcredibility-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- J% G- [+ C4 ?/ k5 T6 f
neighbor-total
9 S4 o/ h0 y* Y o; ^4 I5 ~;;记录该turtle的邻居节点的数目
6 Y* V9 R/ c6 O* Z1 ttrade-time
6 M" X, y/ t# l4 L. m# O+ ];;当前发生交易的turtle的交易时间; \% p! r( z' v! E
appraise-give
$ q% y7 C4 a+ ]- N+ q; C;;当前发生交易时给出的评价
- z$ Y1 W. [2 r. ~ bappraise-receive9 K; p/ M$ P+ V. U* J. d c
;;当前发生交易时收到的评价# z0 |9 p0 j1 c4 | {8 ~0 m
appraise-time- _4 M1 P. x% Q# b
;;当前发生交易时的评价时间
; E! Y7 G& `3 T! I2 R* g% ?local-reputation-now;;此次交易后相对于对方turtle的局部声誉
( X1 `* T/ y1 d" ~trade-times-total
% @( a. q! s2 z e8 P- J0 I; _* h;;与当前turtle的交易总次数
5 s, x& N ^3 Ntrade-money-total
* @) p2 {# U- S Z% _;;与当前turtle的交易总金额
; B# c2 ^) U) ` Z Q3 x, Llocal-reputation
/ [* X0 h- u1 h+ Y2 p$ e: Mglobal-reputation
3 r- G; I% `% m8 }credibility; a+ N* K1 M+ b- l8 m
;;评价可信度,每次交易后都需要更新
/ W x/ v2 x' @2 `7 [credibility-all: r# H6 _8 e8 `" 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
+ X9 M' `. N! g/ A7 L8 T# r# D0 j n4 R% [9 F2 l0 X
;;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( r- L0 b0 P$ M, k
credibility-one
5 C$ D9 M) l/ F5 i;;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: ~/ U0 R' _" Z; N
global-proportion
: u5 ^* z# w4 u$ fcustomer+ s" o# g/ g% _" x. f3 t" D
customer-no
9 p) o5 T$ a6 {. }. b' etrust-ok
' W, i" S( @0 }% ^. d( F; @trade-record-one-len;;trade-record-one的长度/ V% Q2 A0 E6 g+ s: |# A' X$ z& D ]
]
3 F i2 Y) G, o1 \8 ]+ F2 l
6 l" o8 D$ ?. B;;setup procedure
' d; I4 ]9 d7 ]7 p/ K3 P* H2 N4 x! K( K
to setup" t3 {; o' W) y
- A$ ]' w1 T1 L, S' b# v$ o
ca/ ?# T) ?) N( h7 T
6 s$ P8 q* P" i& a& {) Winitialize-settings; g! w. Z3 u/ } ?9 s! l
: |* U( c; g( X3 e; X" Mcrt people [setup-turtles]
6 f1 D* S5 ]* O% B
4 Q' Z/ Q' r* u7 V% l, T1 Q5 _reset-timer
" d) Z3 }' `7 d2 x, Q7 I6 a) i4 b `, Y8 i. `
poll-class
* l) Y' Q7 l' o8 J. c
R" O/ l* b5 o3 o& B3 e2 A2 G# Hsetup-plots
8 p& w& g/ K5 @2 O# [& H g E7 v, t% `- B# P1 S
do-plots+ W, V% W, O* _! F, {7 ^
end; T5 T- ?9 @- l e1 J: X3 V ?
; P+ _! G; z7 k3 P, ~
to initialize-settings3 I% Z6 q: ]7 m! S f1 M! h( s
$ p5 `- u6 ^- w! A" R1 [' ]1 d$ @# u6 Oset global-reputation-list []
9 H1 R4 M. t1 d7 [3 k; Q) D' K# }
set credibility-list n-values people [0.5]' {5 F7 _ f+ ]7 t
% W5 I# M5 U5 {: U% Q$ b/ oset honest-service 09 t, H l8 k z a9 Y
. ^6 u+ m0 ?6 c9 dset unhonest-service 0
7 n5 i2 d6 H# a( ^
# A6 A* y+ y0 `7 g+ `& e2 |% ?+ Zset oscillation 0& y- @5 o& z& J. R. H
/ K& c( x9 P9 k) [( i
set rand-dynamic 0
; |0 v6 p: Z: d$ Jend) L4 O) {/ k' ]; T
* t7 H# W- ~7 g+ y
to setup-turtles
1 T" o2 ]: e$ i4 G8 L' D- oset shape "person"
- c) _" p0 A0 U& S/ t& ysetxy random-xcor random-ycor( ? }& B' M3 Y5 T1 w% s" v
set trade-record-one []
0 c& k2 r8 {+ a5 I$ f) Z% O4 ~4 l6 `9 Q
set trade-record-all n-values people [(list (? + 1) 0 0)]
* M! x+ T0 R# U# ? H: V B& E: R. ]: o: w5 \% ^
set trade-record-current []! z/ R6 s( ~$ u. d1 F$ {$ ^7 M
set credibility-receive []" N* x; z6 l- H4 u
set local-reputation 0.56 _ s7 C9 s% A: j
set neighbor-total 0" @! x8 }! @- B8 ?! y& J
set trade-times-total 0
3 [% [% S, y% i- o, z* `4 |$ X" Qset trade-money-total 00 n+ o v% E) G; }
set customer nobody6 ?6 q1 w- W1 D5 _) x+ ^% u
set credibility-all n-values people [creat-credibility]7 B, P6 G% W4 F1 w
set credibility n-values people [-1]
# a; ~* G( w' s9 hget-color
n) ?. g+ ?. Z* V/ [5 U ?+ h7 R8 ^/ \- r- X' Y
end
2 ]! I. \3 \) }. x6 ~
y$ G4 |# E" ?to-report creat-credibility
( \( e* y9 {( vreport n-values people [0.5]
3 T+ j& w" Q+ j9 rend( d5 J) l2 r' m% l1 X/ m
& x+ n( Y' P0 m! v6 {
to setup-plots
" |; e/ T5 e' s; o5 X+ B4 l( k; q7 k. y# [; W
set xmax 30
$ g% _0 r# m/ L8 q2 L, W6 h7 ]
) [7 r% V+ D2 {8 z8 b7 N0 n( eset ymax 1.05 f$ x: s! z/ f, V
3 R: [! Y% f% B1 Lclear-all-plots5 Z# z* i9 ^( e
# A- f# P8 ?& Q8 d/ y% c4 ^setup-plot1
+ s$ R/ ?& u- `! E6 D3 |6 ^6 i
, B O( x) @. ?/ c! A% p: Jsetup-plot2
( h/ N2 s* F# ?" a) s/ K9 [
; q! _$ l) y4 k @, I# X, Zsetup-plot3
8 c+ @* u2 W; `8 ^end
" m6 ` M# p p% g' K3 ?
3 s2 Y( D: Y# w# U/ @+ _* q( e;;run time procedures
5 x$ ]4 |3 M2 E6 K" e/ ^, V s4 h
/ {( ^) ? K4 P2 m4 @! L$ D5 Z9 Vto go M4 `1 e, x8 V( M8 w
! U1 q) u5 Z( Z5 b& \6 N: Vask turtles [do-business]
, P( C5 ]: S( q# O+ H. b9 F! @1 gend
) u$ M2 Z4 P* r/ ^) l3 \
7 F+ ?. w3 G, f, Nto do-business
7 {1 \+ J7 b- J3 [0 @& M- q+ d- q3 B, Q3 s& _* e
3 R. v5 r1 G" g2 q! Q* D; \' ort random 3609 J H) _ U( `) Z( D* p
7 }: B) W4 h# Y0 A" Kfd 1
, D+ b: y. L& J4 O. @1 j1 ?4 X% S2 @6 y8 o4 r
ifelse(other turtles-here != nobody)[. D: M+ k2 K3 m e' |1 ]; x) T* _/ J
( d" `/ Y5 J* w! D! G/ \' n
set customer one-of other turtles-here7 `, G- b" x# v( M* [0 h
; b5 C) X/ \ {9 V+ n
;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
1 z5 o" R" F) H6 Z+ b[trade-record-all]of self& R7 ?1 k2 D- v7 o" T
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
- h" F* o1 C( i N
/ c0 b8 c7 U6 W4 {. bset [trade-record-one] of customer item (([who] of self) - 1)
4 k, W/ y5 g# o0 v' j[trade-record-all]of customer
. m* {5 r! j$ i [
/ D/ g/ J4 Q9 R/ g& Nset [trade-record-one-len] of self length [trade-record-one] of self
: ?1 K/ e7 s: |9 p! S. H
6 `5 Q+ x$ |2 U# d' I' vset trade-record-current( list (timer) (random money-upper-limit))4 F$ G/ |3 @$ S6 r6 p/ G
! b2 `2 C3 e( b0 D( J% lask self [do-trust]
' p8 a1 A: K' @;;先求i对j的信任度
; U1 V Q6 |4 N+ M; x" P" Q1 X1 B3 U% v7 l* Z
if ([trust-ok] of self)
; l9 a& X+ s; j' M/ u+ ~" Z;;根据i对j的信任度来决定是否与j进行交易[ U0 O) o) n9 N+ s, }1 S
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
6 `% d; [2 z. a5 {( M$ ]+ \' O
, m2 h9 e) {9 v; u" e[# u9 X9 K) V0 |, J) G! j \3 t/ B
5 k$ d/ b6 W6 N) h: H
do-trade9 P0 f/ O+ M7 V) Q& d* W
( l4 q; {, [9 i8 V$ S0 I
update-credibility-ijl: Z- ?0 B8 P! u. c4 e
+ ` U0 D+ `3 N* D& B
update-credibility-list5 r7 y [# ]4 k
8 Y1 I4 b& P- J$ i. k& V( s% R+ L- e* u" Y8 T
update-global-reputation-list
+ X4 M' M( w9 ^8 Z% z3 o8 ]& ~3 n b* @3 K2 n' K7 b
poll-class
+ ~# h- j& c9 y1 ?3 c1 G0 w* D
) h3 B; x( `' J1 bget-color( x: _' k' r* e* b
" t6 w" S( n6 r; g8 X
]]
( o9 O' n# h+ G- F1 F* S# P6 ]
) |7 L# ^' m3 X3 }& r! n;;如果所得的信任度满足条件,则进行交易
, V% H- R8 O. w3 d" o$ d( |; |* q- p* j" ? m, l3 x* ~7 N5 q
[" {; Y" X7 j% R6 w4 l% @; Y4 ^% k; u
1 D2 `6 R0 ~4 Mrt random 360
) \) d/ q* E. g! |( D& v7 w/ O5 l, k/ `
fd 1$ f' G, `: j K- w! n3 }
0 y4 F8 }6 h k# [! V. \7 _]2 Y" o% I6 u8 T1 g* O1 f
! d+ J% k6 y; t- u+ Cend
( D) M T, a6 D( t
/ P- z7 h5 z; yto do-trust 7 G; M- b0 P% b) ^/ u3 C) [
set trust-ok False
% J4 t) {4 m2 V4 W, z& }* ~. a& H, n* P" n
6 A' B. d0 X! g6 c* [5 Q3 plet max-trade-times 0/ F5 s! K1 {3 Q+ Y. [. @. S2 t
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]0 c; h4 u! U3 C; h* y4 ~( L. U u
let max-trade-money 0
: t# Y, A' B: Z, C; i; R* s9 V5 wforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]* y8 z Y( l3 U9 h/ |) R% z5 [ O
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))" E/ r& {, R/ ]" f
- L- s7 _' k! r" B' _
% L) @5 f. L/ A" n" f: Xget-global-proportion
9 F+ H, s9 w) l6 h2 o, g; rlet trust-value
8 f2 ?# L3 n& r6 J3 ?- clocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
. Y" m( T: o! r- o2 ^if(trust-value > trade-trust-value)/ u2 r. R5 c) O/ i9 a9 u' d0 u4 g
[set trust-ok true]' N. {3 H0 |0 w
end
3 A& X2 s* [/ {* }' q4 ?8 N N
- J3 ~6 D, H0 T2 M: Y3 ?to get-global-proportion
1 h: w' t" {" u' }ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
2 c4 p8 X: U- e9 u/ ~ L6 K[set global-proportion 0]
4 q! _, H! M) m9 P[let i 0
' \5 Y) ^! G4 Clet sum-money 0( T; F/ Y, S1 q
while[ i < people]
) u+ k' ~$ a) j( W5 r[
/ x& w; N; `6 ]# |3 jif( length (item i
9 c! h+ P) J' K[trade-record-all] of customer) > 3 )' H7 P) Z. a9 @8 L+ |
[" W9 ~& h: O0 T y3 C
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))6 ]# t! f9 q( ^- K4 ~7 \
]4 R/ i- Q4 j" `5 V9 i0 ~, x/ l
]) ]& r4 q. L0 ^0 W4 [1 ?/ H# S
let j 05 v9 S' ]. b8 _9 ?: P
let note 0
+ |$ d0 C" V9 V0 bwhile[ j < people]0 e, Z6 q3 ?& p1 p1 X
[
^2 r g$ P9 \0 D& l( U1 M: S$ b9 Pif( length (item i" @+ T- T: W' J: ?; J* {6 @& j2 x
[trade-record-all] of customer) > 3 )" E3 @8 D: D8 ^# e- J
[( w- d# Z) T6 p
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1); C" n1 d* @1 U; f2 f
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]: A% t0 b& Y; u. p# t2 v7 f
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]9 q. v! |9 f; y R' N, j: x
]# e: O! t6 d! P: I( X s6 Z
]: C5 v5 i, x6 E5 _3 s. B- s1 O
set global-proportion note/ \7 K/ a7 s2 t- V6 x" E9 g. ?& w
]
6 ^, D3 @9 j( q) ?7 E# M9 Zend
/ R$ \& C t: F) D+ e7 B
3 R& k5 ? q0 fto do-trade; i, K8 g5 B) U, N. |0 V0 E
;;这个过程实际上是给双方作出评价的过程
4 m# |0 ^2 m6 F1 t$ l7 ]% l, qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价0 i/ i0 y3 k6 O0 ?/ Z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
3 o1 H2 w+ |+ A( x. W D" jset trade-record-current lput(timer) trade-record-current
% I- a% w9 o; c; j- o# k5 t;;评价时间1 Z5 {2 g. U3 ~: |% R. c
ask myself [
2 I7 D, d7 R) W# z5 }$ z/ G# Aupdate-local-reputation' K! G9 ^' N2 v. Y: g
set trade-record-current lput([local-reputation] of myself) trade-record-current' \4 V, ~: Y/ c f
]
2 D" f3 }6 W. E, x4 Oset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
$ Q9 z! \* n2 E;;将此次交易的记录加入到trade-record-one中
* Z c0 F Q! q; e& F& Iset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)$ f0 T# o& l% }* V, I* N
let note (item 2 trade-record-current )' C. v* ^% k6 i$ {; ]
set trade-record-current
# Y" h$ G( i) K: [7 T(replace-item 2 trade-record-current (item 3 trade-record-current))
2 D* a: y0 ^* C. Kset trade-record-current9 t0 \4 @' o! M- V3 M* F
(replace-item 3 trade-record-current note)
/ w& L3 R) u6 M0 b: W: P
7 X6 k: c- `2 ?, o: r, f& Z7 x/ e* [3 t9 A. R' A
ask customer [
0 x& l" z7 I) i: k, P- h `update-local-reputation% `/ W+ G0 ^# H. y, U
set trade-record-current9 \# C& X( ~9 O$ F
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 9 Y' A' R# j( k6 A2 x
]
( U; b. m0 m+ H0 D$ o' L. I5 M& H' z7 H1 A2 v% k
0 [) c8 l2 q1 |' I
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
, m8 D: ~, |$ J! Y; e6 g7 h, u
- c4 g9 S) ]' Y/ m! f5 h/ I5 U- yset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
# w( q2 _- ^4 D V+ ^) ~$ X;;将此次交易的记录加入到customer的trade-record-all中9 ?' \) }" h. I( W
end
, |2 Q) b0 ^$ S' N5 Q# p
1 N. ?9 S, G! P2 yto update-local-reputation
0 N) ~, o7 |5 ]2 G& v. v5 I g& ]& cset [trade-record-one-len] of myself length [trade-record-one] of myself
6 x J0 d$ C( s
$ r% Y$ v9 }5 |" Z" S2 e- `- C: E2 `7 n
;;if [trade-record-one-len] of myself > 3
: C) p- ]2 `3 {4 {update-neighbor-total
& `7 W/ j D9 ~' J;;更新邻居节点的数目,在此进行
: p2 T9 N7 W8 ^6 Z; M. Ylet i 3- C | w9 ^. d& L! M
let sum-time 0
; O& ^2 E3 j7 F( Awhile[i < [trade-record-one-len] of myself]
8 b& s% r* `! U) d+ K( K" V2 P[
5 l$ w% Y& q" K, aset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) {9 Z4 x8 }/ K/ D/ ~! q, x% Rset i
: V2 L1 u5 R- s6 e2 Z D& N( i + 1)
! L g8 l+ _! o! w]
. `6 _) f0 N1 F9 k7 R- ]/ g$ slet j 3; L6 F$ W* E% v) A! I
let sum-money 0' f, S* Z% J: q/ }% h
while[j < [trade-record-one-len] of myself]2 r( z& F$ A: i
[' t9 s& [, U4 N$ i0 ]& @3 v9 y$ N. 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)
) B: R6 u! y5 jset j
" W! i( X0 i- @: V5 ~( j + 1)% S) U8 e* E1 R I9 I" A% S
]$ F5 U: f+ L6 `3 ^( M" w9 Y4 k- H8 U: @
let k 3
\( e& Z5 G2 _let power 02 x x" a; P( J+ J2 r- T& r
let local 04 @6 i9 K: X! r
while [k <[trade-record-one-len] of myself]
2 E! M9 _( `# M% \; u& ^[
5 D5 {4 {3 @8 I; t; E& O# 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)
# ]- Q& s& ~: P( hset k (k + 1)- i {6 x4 q, Q; y: X
]: N& S* Y4 I f
set [local-reputation] of myself (local)
8 p4 W' R5 j$ P, _end- C/ Z. ?" W& \. s: G# [ b2 y
6 l2 i( B& l# v( U: v+ U
to update-neighbor-total
6 w1 L" U( A9 v0 s- ?! c. M
. S( w) P8 Y, H7 J2 ~! H4 rif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]; @: R( k, K6 j0 R
8 S+ Y- ^) o9 k5 Y* g$ y
: \( M0 @2 q5 ?, f* p
end
$ E% H, X( S5 [3 ~3 K
, u$ z' m, A6 y0 O; \% Q- u# m& mto update-credibility-ijl . L; D# w- s5 h1 w) K
o7 u' U) S& f& I8 G& m' Q+ U% f
;;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。
8 V7 l2 q: n, M4 q$ r+ ^0 f1 ?7 Ulet l 0
/ i0 g) E5 r: j$ J; ]. ^while[ l < people ]
& x! h8 b, o* n9 L;;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
" x; z, o( L8 A- \% l[
% X' T: u4 l+ S) I. s0 {let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
# }* R1 V0 t1 T8 X8 m5 Sif (trade-record-one-j-l-len > 3)4 u% Z2 x% z% ]/ ~$ I' B
[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 |: W* Q9 H* Hlet i 3/ z& K6 ?/ ]5 D3 ^
let sum-time 0/ ~! e1 Q5 F2 U, G* |; T9 Y
while[i < trade-record-one-len]
( f8 l C( _6 q. G, H1 U$ P[/ V5 a9 @3 s' X f& x4 x
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )8 C) o( S& U$ b- p j
set i) o2 i0 W) s! Q% h9 ?- y# ]$ K
( i + 1)( d9 ~$ L4 T' Q- G6 M5 S5 e! W
]' f' M! K$ ], C/ }- |* V
let credibility-i-j-l 0, i% `8 b8 d, t/ T; L
;;i评价(j对jl的评价)
4 _* _4 `, a: p1 \1 O9 O( L$ }let j 3' I; Y R$ A# j8 h7 R+ Q
let k 4! i2 c0 e) x: G4 J9 V& s; `3 g
while[j < trade-record-one-len]
. S0 w3 l8 O% K" N5 p" @* S[: V; z1 ^0 k c! W
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
' f1 k0 a+ y- d# n0 S1 C+ c/ D! K4 ]2 ?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)
m4 {/ p! i; R( \9 Qset j) Z) q. d a# Q
( j + 1)
8 C4 M2 ]; b8 ~. v9 P8 v* e9 V]
7 m8 ^$ g, b1 Z' jset [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 ))0 ]% O" R9 s0 K+ m
1 G4 [9 U; L4 Q0 ?0 u9 u9 a
# b% {, l# ?7 a6 f9 llet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
' o$ t1 G. t# C Y0 ?, C I: A;;及时更新i对l的评价质量的评价
& Q3 p* F) ~2 i% k8 K7 fset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
; X7 S n" ~: w* Pset l (l + 1)( X1 L; _4 l; y' J; q2 l
]& { {0 p, L0 r$ }+ p
end
: t: f P: t9 x& }9 `" d) P' r" P2 V& f* R: z4 b$ B% Z
to update-credibility-list
( U- [6 R* ?/ [* R! Flet i 0
) d* R( b4 b! q ]/ {4 r& Wwhile[i < people]
3 I; ~7 m0 F' ?- \- l% H# B0 ~' ^5 k[
+ T1 h* Z1 {" k2 Llet j 0) p% `$ ~+ _/ @# d/ O
let note 0
) K2 h+ [+ R0 M2 i4 Jlet k 0
- ~7 A" K L+ g) f [;;计作出过评价的邻居节点的数目5 B4 q: `+ i1 K; V( X8 Q
while[j < people]$ b- A* `5 B- h5 e' i
[9 O5 A0 J6 x+ K# j/ J4 q& Z9 H2 G& z# Q
if (item j( [credibility] of turtle (i + 1)) != -1)
: ^, S, ~$ P1 {2 E7 ^6 O/ };;判断是否给本turtle的评价质量做出过评价的节点- I3 o. X p0 c9 t" Q1 Z
[set note (note + item j ([credibility]of turtle (i + 1)))& @9 Y6 v, F6 `9 L$ D
;;*(exp (-(people - 2)))/(people - 2))]* \$ N8 O" b4 m& W Z0 p
set k (k + 1)7 Y4 S7 W; i6 {" d. r( [3 T. p j
]
% \5 |# c; |7 `" X# o; ] r6 Nset j (j + 1)
; T n6 m' K( V* []
! |, B' x2 x' P. Hset note (note *(exp (- (1 / k)))/ k)# ?- b9 Q" ]' ?8 ]) K7 `
set credibility-list (replace-item i credibility-list note). y! s8 U& t$ Q1 D& s& y
set i (i + 1)
/ R3 C e' n! Z1 l]
$ t; X6 b) ~' N+ v* _! v+ lend u5 Z( [. {$ R5 Z$ B! u% `
2 X \, N J8 h; K$ {5 g% p
to update-global-reputation-list
' \9 b! N% t* P3 t5 |: C/ S: Hlet j 00 B( ]( r& q# R1 I" U2 r) z
while[j < people]
: Z9 V0 F: r9 E" |* T[6 h: ^4 d2 S' Q: Y- w4 O% Y; j
let new 0
1 L4 s2 c% T+ m) r. b1 }& B;;暂存新的一个全局声誉$ E1 t4 T: k& t! Z$ d$ L
let i 0
8 r5 J0 n$ B- `; V$ r# t Wlet sum-money 0
& m( r2 I' K: G0 `+ O/ l! w9 elet credibility-money 0
S. q2 f9 a' r8 i7 vwhile [i < people]
% W$ @7 u' g4 G0 B1 y: ]' t[2 D4 v1 M6 l2 k/ l$ x2 _3 H
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
* r3 l" H3 S! o, n4 {set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), D ]) H' q3 H* M( i8 ~
set i (i + 1); N0 w; x% [2 M L3 D8 c; e* l* D
]4 D. p# W' u1 z; d
let k 0
. w, B3 K: U/ Rlet new1 0* V) B4 L" x7 f5 g( j; R2 P
while [k < people]
; U( P! d) d" I( _1 I# E/ G[% U/ ^+ q& N9 T' ~6 K- P' o
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)! H6 a% }" F; l, @$ R( d
set k (k + 1)
% x& t2 u& C* B( c]+ x( Z1 w* i( ?( K* J
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
7 y7 V8 D7 A0 S3 T8 Fset global-reputation-list (replace-item j global-reputation-list new)7 G v& [& B9 p4 O
set j (j + 1)
) p$ R: q }0 j; o/ `5 {]
1 Z. g7 i. ^# {8 Rend
& t% M# ]/ v# m9 w. M6 q
4 ?% D, d2 y; V9 V
/ q2 S. R9 V1 v/ ~- n
$ n4 ^2 ?7 J1 B$ dto get-color# D, J+ ?0 k( v
9 J/ l3 Z/ |$ R2 g) }/ D8 A0 ?7 iset color blue
% C8 c9 e3 l7 k) @6 Uend# z- I2 M% B2 ?% l2 H
7 p" a* G* p. l3 \( `to poll-class' H& x; ~9 b7 u4 ]: V
end" ?' m' U( ]- i6 t) N
+ F0 p' ^1 y7 n/ @4 Tto setup-plot1
- z0 {' @0 V3 m7 b2 n9 U
# `0 l, Q* H* H9 p, O2 d3 H9 ~1 m5 J2 W8 R/ Vset-current-plot "Trends-of-Local-reputation"
) A$ M; U! u/ l$ y
! o+ j" ~! z5 M4 i: P* Cset-plot-x-range 0 xmax& Q( I- G: M( J3 m7 Q1 T" e3 @9 i- n
; b5 ]' g8 Y9 Q& G( w, Fset-plot-y-range 0.0 ymax
* D1 O/ A6 r+ Rend( g2 \$ j f9 y. i/ I3 j
, g2 L* J g8 Z, p( l5 I
to setup-plot2
8 T/ G4 T8 Y% L* d: q: d! y3 J- T- A6 m- z; k0 p
set-current-plot "Trends-of-global-reputation"
T+ f- g7 [7 i7 t
0 v: ^/ w) n: @3 F% u/ Hset-plot-x-range 0 xmax
! E) F9 `3 ]5 C6 R ~
' ~8 u- n9 o' q5 Gset-plot-y-range 0.0 ymax
" E: W- \- }- ^1 D) }6 ~end' a: k; N* i: h/ x
1 @7 u' Y8 V3 D) _; g- Kto setup-plot3+ y- l0 R* S% Z0 R4 F" M9 v
5 J. n/ `! T1 e1 O
set-current-plot "Trends-of-credibility"
$ Z4 J6 W* c! B- J$ \
1 U# @ i2 Y5 j5 T( dset-plot-x-range 0 xmax6 G. H4 i' N' X
x5 e4 i, t8 V# W1 j2 o0 a
set-plot-y-range 0.0 ymax0 Y6 Q. [5 j" _4 q+ `
end5 t6 H) j, I& W; a5 \) \6 Q" F
5 u* Z% @- H+ C3 t$ @( d; X6 ?
to do-plots
3 Q# l5 v7 K: y4 T E+ }set-current-plot "Trends-of-Local-reputation", G$ p" @5 J% }( p- k, W. l6 K
set-current-plot-pen "Honest service"
1 b- A5 C1 X7 p7 Oend
h# X: p q" g3 L; v( C
- Z# _6 ^9 i3 s% H# C0 B[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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