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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& D8 @" D# F1 D) P6 D/ B( f$ k: C/ ?
globals[
& s* l8 Z) a. V% j& }xmax
3 c, Z' H) d* q% y* P' {# Mymax
* W$ u/ n9 K! \5 ?0 R* i# }global-reputation-list
. `; h, z5 }5 @$ {) _& t/ W5 v) V! P
;;每一个turtle的全局声誉都存在此LIST中
- _; E; F: @# e; U- Hcredibility-list \/ G7 v0 |9 `/ I9 W* g5 F: A/ y F
;;每一个turtle的评价可信度3 R0 M* e( @( V, x2 @3 s- t
honest-service
+ Q$ N" c8 f% G1 B* U$ funhonest-service# \' h8 H$ l/ N2 {" A) J: R
oscillation; U7 [: m. Q* X9 a
rand-dynamic2 ~) P* E H7 _1 L- P
]% u7 J6 M) N* Y3 [* _" Q
- U3 Q* Z' W8 e2 x# t6 o8 [turtles-own[
$ p3 J- N* x" { l8 t4 Gtrade-record-all
' g( K0 t( I% h- v6 S9 }% ?, _;;a list of lists,由trade-record-one组成2 r, [* P( `1 K) J, L: x! e$ E1 O0 `) ]
trade-record-one
! r/ ~1 A+ V! |, x;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
- B6 i: \: \8 l8 y2 Y0 k; v. p* o( g& \/ i, U. g+ Q1 a# u
;;[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]]
. J$ I: h& @; z. |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]" C' d) z$ N. e2 e: s( w$ p- K
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* o# L0 h* h% K( v6 E, J9 p# o" F2 M4 {
neighbor-total
( @% b& ^8 W% k1 o+ x1 c;;记录该turtle的邻居节点的数目
4 u( n L: M( I- a; ?, W2 P5 |trade-time/ a4 Y7 j q2 f! k5 X) c
;;当前发生交易的turtle的交易时间
% }# Q" h. ?- L- s$ A- n/ E4 A0 X) pappraise-give1 Y$ X& w. l$ f: B* S
;;当前发生交易时给出的评价- \. ]" f; Y l# S, D
appraise-receive
+ _) X, z( S4 |7 [3 p1 a. q;;当前发生交易时收到的评价% E( q( b4 T8 R3 j" W$ @% |
appraise-time
+ @5 F% I, D2 i;;当前发生交易时的评价时间( B7 I" _ J( a8 ~; x/ O' \; }
local-reputation-now;;此次交易后相对于对方turtle的局部声誉0 V- L9 O% {/ m/ h% k
trade-times-total
) {/ S& A! W& _" A4 _$ f2 Z9 ~;;与当前turtle的交易总次数) ] u" v; v3 T' l/ r. o* r$ e
trade-money-total
% o4 k. o0 A9 t0 L;;与当前turtle的交易总金额8 {6 K. Y" d# V& w
local-reputation7 m: D8 \( X) {1 p$ `/ Z
global-reputation3 M( N6 Q/ ]- o. E3 K! P
credibility' M- g; C: {. z
;;评价可信度,每次交易后都需要更新/ g2 s) J" L9 o! [- l1 g
credibility-all
' D- d: R3 R! j( R;;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
7 _/ s3 j2 ?' Q8 C% A; d
. s! Q+ P8 b- Z3 H0 E A8 C, p;;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: K. b8 ?8 n2 ]; j$ k" F4 W9 Z& M) `
credibility-one
; O+ y" Z/ ^4 p& o+ Z;;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
. f! _) X1 I: `+ [4 lglobal-proportion
6 b( o/ ]$ k6 jcustomer
; P" u! D# q4 q9 d2 Icustomer-no* [! k$ ~* {0 t/ y
trust-ok
5 X, e9 q- {2 O5 f( m& rtrade-record-one-len;;trade-record-one的长度
- g$ W. | J4 M- N v]
- s0 G2 b3 d. M% ^
$ n' `3 e C9 E8 ?4 [;;setup procedure7 v0 ~$ d, V6 z8 _
* m% I8 w+ w3 ?* d4 n
to setup7 N/ @6 u2 o( T6 W6 j- W
" y6 E; a: ^* s% F3 o* q
ca: t; M/ s4 M4 r! n
* Y# _1 c4 d$ ~: F" W% s0 s0 jinitialize-settings! ?8 C: L" R0 ]! u, k4 i0 [# ~4 _
5 s, i# Y% O0 ? l% J; _) s
crt people [setup-turtles]4 g9 v3 l4 l7 }6 m _% @. ~5 n$ @
0 J" M: C6 }' O# A9 D
reset-timer
+ E0 f7 m% A& g9 R! g
, @' }! b+ T6 h) |4 u: A* dpoll-class
* a! I$ x6 j& W8 S9 Y) L' G. Q
6 U6 m5 U/ O8 s1 |4 Usetup-plots% z# ]* f8 G- i' T( X$ r
9 _& ?/ P: v e) R; q1 Q1 O$ Ydo-plots
5 k( k5 J8 u- qend4 X$ k$ F9 L0 L% |8 c
4 ~% Q; q* H, m- N: Q2 e- Vto initialize-settings
- r- r5 J4 t4 K
3 v7 p1 p2 U& O! d; t6 Nset global-reputation-list []
9 I9 E: M7 y7 k9 d! _3 D P2 |1 h
7 [$ I; V) m& r; Lset credibility-list n-values people [0.5]% a$ n* B$ Y1 o' N" v8 N
7 K- s5 g+ e3 L8 s+ tset honest-service 0
/ C3 O! I* a/ ~8 H) i; O* `0 y& N: }) _2 L1 {3 @5 e+ Z) ]5 @
set unhonest-service 0- W1 ~5 g/ D& t) M O$ a
$ h& s# k, a% N) ^0 Z! E0 c7 |
set oscillation 0. N3 s0 _" \, }; e; \& u
6 B) k& {8 c5 ]/ cset rand-dynamic 0: o1 H0 m( \1 t. c0 Z* F
end/ Z: G. G; O/ \1 ^
! E: h [ N! {$ U3 y, [! H5 n( M2 Dto setup-turtles
* @9 T+ t2 B) e- {' \! Zset shape "person"
' _ \, y9 b8 ^1 @setxy random-xcor random-ycor
; z) x/ J' K. {5 ~5 |) @set trade-record-one []
, c3 H4 S% H l6 Q$ {
& G( z$ |2 L5 w" e2 Uset trade-record-all n-values people [(list (? + 1) 0 0)]
0 u4 W( q0 l0 c; w, Q$ ~) ?6 v! O) R& W! |( }2 x3 T
set trade-record-current []1 T: U, I4 p: t4 H
set credibility-receive []' ]% n+ y6 C. t0 ]9 f
set local-reputation 0.5* E. K V; J# |5 b! Y! L
set neighbor-total 05 X( \; w4 {/ E3 |" I$ u
set trade-times-total 09 L/ J* _1 _. Z9 i0 F: `
set trade-money-total 09 `5 F* `1 Z% {1 i1 {3 A
set customer nobody
( G4 _: s3 d4 Z1 {' Eset credibility-all n-values people [creat-credibility]
l: h+ P7 E- ^1 r+ K" {# o8 o& ]6 ~set credibility n-values people [-1]
/ a9 Q. |! }( O7 cget-color6 S$ n. Z- a! t* {- n% R
9 g+ V2 v J4 H) k2 ?( j4 r0 f* O( V
end/ f0 ?1 K4 z% {0 M
' S# z- f& S5 B5 L9 r
to-report creat-credibility
1 U/ k E# a7 W7 b/ K- r" q$ [report n-values people [0.5]
O+ b& G! l4 `# F$ Z, xend$ c; a. }# c& s5 I& P# |3 g' M3 u
% a6 o6 e( `8 q" yto setup-plots) J c& b) f4 d1 w6 {
" F( {' [+ l# b2 Uset xmax 300 y" z9 ~1 c6 J- c& f
& j: O) T6 F& T2 K$ b. Zset ymax 1.05 O: t4 N5 p8 w$ y1 s) x% Z
+ Y8 l( x1 @3 K# uclear-all-plots
! \, S8 I0 T ?1 `8 t8 j8 ^- W: e: ^# G
setup-plot1 C, ~0 k4 r+ |& ~
0 H( f/ {6 q2 B4 @' o/ `4 ssetup-plot2
3 y* l1 d( m$ W2 N0 h( b1 {9 R2 s
6 c/ m e c1 p4 @, V9 xsetup-plot3
; q6 T! F4 `4 H1 a; u7 `end
$ k" f9 v8 l7 D* K- D% b9 R7 m. G# Z
; q3 Q2 K" R1 c7 p3 {+ u6 ?0 Z/ y;;run time procedures$ J% W+ H2 \, ~5 k. r
/ c8 N0 R8 f0 \- k: D
to go$ b* w, _1 Y z. D8 c( v4 v
$ }! A+ l3 u: C
ask turtles [do-business]
1 R. m: f# r3 j# Wend( B, K: W2 ?3 q8 l h; z
( Q6 q+ K! V$ F! d% s- O p3 \& J/ R
to do-business 8 \" L% z* e" w0 ?! c2 S2 i
2 G; ]& E: ] ]6 ]7 a4 U% C3 v- ?: G
rt random 360
1 A8 ]5 H) k2 T& [$ o6 D$ D/ j: h" P s( r- Y) Q
fd 1
- l' n# B" V/ ?
- F' Y* z9 v2 i; h/ C/ {2 [: V# hifelse(other turtles-here != nobody)[$ k9 T$ A, p+ v# m
; F% Y) f) Z3 H2 c3 p! {2 o9 @set customer one-of other turtles-here& m9 N5 X$ g& u/ Q0 \
8 g2 L/ L7 K+ Y9 ?( W* D0 D% J- A;; set [customer] of customer myself7 j2 W: L6 o1 A5 ?5 h6 ]# H
6 A* O! L' n# X1 i. Nset [trade-record-one] of self item (([who] of customer) - 1)
# Y4 a' o% V' X( {( z0 F/ p7 {[trade-record-all]of self$ n9 _8 i: D3 K
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
( B4 N; z+ G x- Q3 W: J: U$ A: k
6 ]2 H+ f$ `; G0 \5 O. `9 jset [trade-record-one] of customer item (([who] of self) - 1)
0 n3 M- |+ U7 y' X0 @. u. ^[trade-record-all]of customer2 }# u5 `! x U2 I- k: y
$ c- |* a S+ F; sset [trade-record-one-len] of self length [trade-record-one] of self7 p! `' {* p5 [7 Q* l
5 o% n* P6 I6 ?0 H% ?
set trade-record-current( list (timer) (random money-upper-limit))
) }9 f" A2 u" n$ T$ C% {* L5 p- b/ P* p! p% }3 x3 l
ask self [do-trust]
& b' k5 i4 [& G U8 P6 t;;先求i对j的信任度
' t9 P5 a Y# s) e- x
t+ A& F) S/ G6 O; X% J' rif ([trust-ok] of self)
" [+ {0 ^5 ?2 J* p4 h;;根据i对j的信任度来决定是否与j进行交易[& l/ K/ N% H- @; g2 P
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( b& z2 ~8 X% u; O
+ E+ u" O/ O y9 J5 D
[
6 ?3 c" F! ^- v, B( ], N" H: T' ]# E
do-trade$ a1 I/ A' @% G; ~; ^
1 L- [6 g! A3 U2 V+ Uupdate-credibility-ijl
* z. |+ d+ I! E8 b2 \; @3 K( @% n# A+ f7 u" c8 I
update-credibility-list
a# h( B0 u7 {& t. ]- ]- s
4 B* |/ G& c" v3 |5 B5 A! i0 v9 L- T! p0 M
update-global-reputation-list
) i. t8 x( f( {" y( B/ }& Q
' F, C8 N1 R( m* K9 vpoll-class
5 T) k" l K' S0 S* @! m d9 D5 }& o3 s. T
get-color# i! p; Z I+ u5 q5 I4 G% S
+ ? g6 Y2 Y' a]]
- \4 p- H. Q2 C0 u# t7 `1 |: ?0 |# x; `# h! E9 r A# I
;;如果所得的信任度满足条件,则进行交易% \$ ?4 Y7 ~1 a2 Z* v' [5 H
1 r9 V3 C9 z7 R- b# H( _) \4 c
[+ M, Y( w1 V( M3 ^ @" F8 b$ a! I
5 }2 |; r2 v8 S/ [
rt random 3609 ^* G( C4 U' l9 `
$ `" ?8 B, F7 u) i. \! kfd 1
, k# L# n/ C) O0 t, S# e4 i4 i' s& L% Q9 M3 d( {9 L P
]
# c$ d4 B' f; n% m( \ n3 f( s O
% _9 Z# W+ A; u+ W; W) \end& q& _+ |% J! y$ f7 E# q
% o4 s, n) I) l5 K- O: b7 E, H# l! ?
to do-trust
- G1 M* P9 z/ c; o: L2 ~+ Uset trust-ok False- a$ U: |* C5 O& K/ v. Z+ C
9 C3 w. _9 Q5 S/ V
) y$ q$ x) T: J2 B6 d
let max-trade-times 07 F5 E6 U- ^) v8 l% L B0 D) ^0 K
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
# t3 K3 k6 H! L; Rlet max-trade-money 0
1 f# Q' i% A3 y$ u+ zforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) v8 w5 P& }; j
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 |7 b) D3 f7 k; }
5 {4 I+ s; w0 i2 R2 J: e- |* n
8 `" Y% w. O4 t0 y
get-global-proportion4 n4 t! ^: n* y/ k
let trust-value- k2 P8 N+ Y0 j0 P+ N
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 B' k; d* I6 i+ P8 q+ o+ Nif(trust-value > trade-trust-value)
" ]. h$ y1 T3 c R* h6 g; e[set trust-ok true]
! n u* j+ T+ lend
. l% p4 z& a3 {: D2 l- [; }0 N9 l$ ~$ m; S+ b# b
to get-global-proportion3 r' t7 |. E3 p$ T2 B0 Z
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)2 E5 A" G! ~) I
[set global-proportion 0]
, q' |- K6 R! ^# P[let i 0% i5 s' V+ P/ q
let sum-money 0
" e* V6 S7 {/ F) S. c% l8 O; jwhile[ i < people]4 K. A& t5 P% q: S! l! a
[! `8 N* c( v- c3 D9 C G) i, u0 @
if( length (item i
/ ^/ y! `/ U5 S% }- |0 K9 m[trade-record-all] of customer) > 3 )
7 M. k5 L( B+ r& m& x/ p( P[' W) v+ F/ R2 r5 R% G, o
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))8 Z: S) b9 I5 d, p) M& Q. Q
]
8 V& C+ O$ S1 |( c0 G ~3 p& r]
! t1 K6 {9 Z! e( t' R2 Y1 Elet j 0
$ s9 O) y+ a$ ]let note 0. \5 |) \, n3 H. p7 m% K1 O
while[ j < people]
! m0 f4 M/ i- {: h[
" h0 ]- o+ j5 P! i/ Kif( length (item i8 m. t1 l9 U8 @) i& ]
[trade-record-all] of customer) > 3 )- ?2 G. q! {" h
[" Z5 g1 D* B/ d1 N4 G+ i& S
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( S4 Q. [# \. @4 L6 G3 G. G- L
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; w9 K( R! e8 z3 X0 H[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ [' h% B/ {$ v& v: c+ l]8 X' W j! ?# ?- C: u$ U
]# }) b( o& A2 C- E) _
set global-proportion note
8 n5 f2 S7 t7 X]6 u/ w' t" h' Q7 `
end
7 W+ G& R4 m V1 S* R4 ]) C$ A/ d3 d$ [: A7 n/ f: ?/ X4 E
to do-trade/ Q7 y- r V+ ]
;;这个过程实际上是给双方作出评价的过程" m2 m$ [$ O, S$ x
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价2 g% w! a2 O* J5 S7 N; l8 w
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
$ [6 v$ Q" Z8 Yset trade-record-current lput(timer) trade-record-current+ C# m, g0 p4 C3 n0 R- s. j' E
;;评价时间4 R* |+ w) L7 t/ A7 A' m* a: R
ask myself [
+ j5 u6 {7 g' Z7 A* A- g/ Vupdate-local-reputation B I5 ?2 i# L5 }/ O1 g+ @& p$ I
set trade-record-current lput([local-reputation] of myself) trade-record-current c, l$ W7 e( L& M0 t5 f# u3 m/ |
]# A& Y( \0 Z" D* K3 r
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself! k& P5 W- }5 M0 ]
;;将此次交易的记录加入到trade-record-one中( K) h" }+ k# l+ q4 r
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)3 G( r7 U9 `1 z3 l' D- S! u
let note (item 2 trade-record-current )
' e5 I1 \6 _* T7 A, ~' Kset trade-record-current
% v4 u+ C! }" z" E- J& ~! K5 x6 R(replace-item 2 trade-record-current (item 3 trade-record-current))$ U7 G- D# s/ ^
set trade-record-current8 m3 E; V( \4 G# `8 ^* _
(replace-item 3 trade-record-current note)
V2 P- l& J" X- h# m8 ?( q3 f" v ~& ~% }1 W" ?* Y
/ d2 d; y2 w) {! Z5 @& k+ m
ask customer [
& V8 I! t3 a, r! m9 lupdate-local-reputation$ c7 @8 ~9 G/ H# O& W: y0 T
set trade-record-current
: M9 o9 l7 j4 X3 W) k/ n(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) " B& K% g7 ]' B4 F* |$ A- j
]* a6 o, { r# l
$ G9 `7 g$ {* m7 ?3 u+ a# b$ v
1 h: \( e9 p% @% Iset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 G( b4 ^- U) |
5 D8 z4 [# w5 B1 s# z2 J9 l R4 ^
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 C2 n, D: o" S5 u1 k
;;将此次交易的记录加入到customer的trade-record-all中
: x; y% d' i3 J# c7 m; m2 Pend
4 s3 y) z; P+ k5 k- n7 i. \( Q" x% z6 T. F' ^
to update-local-reputation
$ }( ?: E1 U! p( q- Rset [trade-record-one-len] of myself length [trade-record-one] of myself4 n! a) C) K1 i; X7 d/ K
6 t; P7 R4 |: c4 v, O* d6 A0 {( Y
% ]: w, Y1 c8 ^' s1 M
;;if [trade-record-one-len] of myself > 3
5 v+ T& x% E8 b, k+ u& hupdate-neighbor-total: T3 t. C! {6 g
;;更新邻居节点的数目,在此进行5 s2 c. l# N* H
let i 39 P8 X( {1 C; W w7 P! R7 h! \8 i
let sum-time 07 ?% U8 j* D4 F8 V+ b
while[i < [trade-record-one-len] of myself]0 o$ g, J9 e& r3 Y' |
[* ~. L4 w ?6 J2 t- M: p* M0 G
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) z) c1 F( j H/ S5 `6 b) n! [7 i
set i
! W! p5 Y, T! `$ C: ]( i + 1)
! a9 Z0 Z1 v/ s& F7 [3 \]
, i1 \+ ]$ F& a* P, jlet j 3# ^: J# _+ B7 D: U7 U( H7 c, C
let sum-money 0
2 i2 H) K! a8 D% w4 i3 q% |* Iwhile[j < [trade-record-one-len] of myself]9 I" I5 D z1 Q4 Q( h
[
0 R3 ]8 V# w$ a6 Sset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
7 q. v: m; t: t( rset j) s% r3 N5 x- L$ X4 b% j
( j + 1)
9 i1 `. c! t, X* S8 n8 O6 S2 r# }2 M( a]
; L8 B ?; \' S* flet k 3
- A" O8 D) w- x8 slet power 0
! P' |* \: H! q" G3 i4 Wlet local 0; Y( m# x6 J8 d) M) U2 u a# ~) V! @( r
while [k <[trade-record-one-len] of myself]
4 S6 w, p: h# |& F; T[
; o" W) Z0 _1 h' ]! ? Q! `2 u+ eset 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)
" f0 M5 j. l3 N7 h- {; mset k (k + 1)
7 }; ]# c8 j/ M6 n0 k% Y7 M]
9 S" H# v+ k+ F: l* uset [local-reputation] of myself (local)* I* H) v0 s& |6 m) ?
end) ?0 b8 R& Z0 A7 \* \7 D d
/ m m9 S# h1 ~& \9 Mto update-neighbor-total
" x x0 Q: Q/ a ?: L$ L
3 u- w2 O. C$ l) rif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]) U! ?# b9 L7 `* Q5 S3 K
: T: G3 ?) `2 \, B) I6 B4 f
- |6 n/ T. x8 q! @4 P* {5 B8 B" G8 ^end' l5 Y- ]0 d6 u, X6 y8 c8 m
: V- f7 f }1 u& \# z) Sto update-credibility-ijl ( S+ }- B7 x$ g* \" D
3 \- Y( R" z9 B/ X8 X
;;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。
! m$ n" T) m4 Z6 plet l 0
! K, d8 c, g1 C" H& ewhile[ l < people ]
. I- J3 t$ P( T' G, J! N;;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7 V. h3 i& i4 l# m& z
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)2 u4 ]% \9 Y& t6 R2 N! |
if (trade-record-one-j-l-len > 3)
* ?2 A2 c7 R7 D; S/ A& G[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-one7 \1 m F0 A" q, t, V
let i 36 `/ @ f' X; D+ B( C
let sum-time 0
, w2 x& a9 _0 R% C* l6 X) U- P( Iwhile[i < trade-record-one-len]
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8 R, ^, ]" a) j! `$ Yset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- N' c. K6 K( C: L: n' @% w4 k% v
set i
- w& J1 m/ I& C) y) o9 ^5 F$ a( i + 1)6 }9 s* ]7 G+ O; m! R+ e
]2 c; I5 {- h- D H: l
let credibility-i-j-l 0
l) D* h8 m% e6 f. {3 g;;i评价(j对jl的评价)9 C6 ^$ p# N! s3 n9 n7 ^, g. f7 {
let j 3
- ~' k) u- G3 ilet k 4
- R: F" V8 ]. T" S+ W3 Xwhile[j < trade-record-one-len]
( H7 ^7 H) v# H3 ~- g2 Z1 i[
1 _# `9 L3 E) ?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
8 {% I2 X3 w' x0 Aset 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): y' }9 M" O5 Y' P7 a$ S2 {
set j
' u. ?/ o @# t c3 j t/ Z/ M( j + 1)
* [ m+ s' o) d8 \# d5 w]1 C$ L6 F' u* O {* E
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 ))/ B3 L% f* c3 I" C
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 I. l1 s2 q# R% n
;;及时更新i对l的评价质量的评价2 ~6 o7 h( Z; q8 B6 }2 D
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 O7 q0 S( ~8 Mset l (l + 1)& A- i% O2 G% s [4 G r9 z0 }! C
]
) T r! C6 u: E3 P& b& Rend
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to update-credibility-list2 M! e2 W1 J9 c
let i 0
0 i3 ?1 ~9 |, Rwhile[i < people]* [& X( K- q7 z) _ T/ Y& E
[
: ^- ~! ?, U: M4 Zlet j 0$ c2 |: V- j7 M! m( u( L Q
let note 0
9 d$ J# P9 r# B$ m* Zlet k 0: j1 D# _5 x( i7 ~$ \: P7 t
;;计作出过评价的邻居节点的数目# a& N4 o3 _: I" A/ D* q- ~: T
while[j < people]% ~7 R- g. J7 k: y
[4 ?3 ?. r: N' j% ]
if (item j( [credibility] of turtle (i + 1)) != -1)6 _% Q/ ]- z' O2 a7 J% w# |
;;判断是否给本turtle的评价质量做出过评价的节点
/ ~+ O, o8 n! Q3 ?) G% L) A[set note (note + item j ([credibility]of turtle (i + 1)))# y0 | G1 a0 }" ~. ~$ `# p$ f
;;*(exp (-(people - 2)))/(people - 2))]3 h5 G9 D# x8 }
set k (k + 1)
E1 Z) _$ U, D, z4 T]
6 ?$ ^) b( |5 ^- f/ |8 g8 hset j (j + 1)* B- }4 C! ?$ j. `% w5 a. y
]4 Q4 @3 ^! v% E! U( A
set note (note *(exp (- (1 / k)))/ k)
* R% U! r; ]1 Vset credibility-list (replace-item i credibility-list note): X' a0 K6 H- R9 _
set i (i + 1)4 t- I( q/ X6 t9 H
]
\1 r3 X) w, E# z% A1 M+ Vend5 s2 E& v q7 ]- q& U
0 H0 C- Y5 N; [5 h9 n- c( H }& cto update-global-reputation-list* W4 E$ ~4 ~1 F
let j 0+ o. i, T8 s3 H& D {; D
while[j < people]8 l& e6 i3 m# J/ x. r4 |/ \+ u9 L
[
- f) V! e D( \4 g5 \7 olet new 0
+ F& w# f, q6 X6 B. e; N;;暂存新的一个全局声誉0 l9 h- a6 z% N. v
let i 0
' R3 x! ]+ j' @' dlet sum-money 09 E+ K, Z1 U- v* v6 I. g3 Z- Z! Y9 s
let credibility-money 08 U) i1 K" \3 H. A) M$ P% g/ k2 t
while [i < people]+ u) z, A, t+ ~8 M# H& {
[
! x @3 U q' E& i5 Kset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
( ]1 q' s: h \ [; `set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))9 c: X2 E& y2 P. J- c( y* r4 B4 q
set i (i + 1)
1 v+ F: N) `& p, } c. } k) E Y( ~]
; W7 A6 J3 l n- F6 `let k 0
$ r2 _/ x$ W1 f8 u3 o2 Jlet new1 0
3 i* n# F+ @6 e" xwhile [k < people]5 ]& a6 ?8 `0 Z2 o
[
# K4 H8 Q4 Q) h" Q: R9 J# cset 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)
A% P9 G3 W5 k8 aset k (k + 1)1 V3 h' b' k( }; o/ ^( q# |: Q
]
8 H J8 y6 H, C- Rset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 1 e( |% r9 @8 b0 B, }, m
set global-reputation-list (replace-item j global-reputation-list new)
6 q. h _- o- Q F) Q6 b: f- Wset j (j + 1)
* P5 a4 h4 ?7 a% m]
( ~; Q; x! x7 V [4 n# |end& S [8 s; Z$ y% e1 t
0 v& i' [0 n( U. i
. t6 r8 m' l% A1 J0 w9 V: W
0 t& R; L$ V1 |9 E. b& X
to get-color
" H: g9 w% }7 P% \9 m0 N4 S) p/ I; B9 n8 T4 h
set color blue
" {" W6 C; ]/ e; i3 _end
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to poll-class" ?* U! [$ y! \9 K, g* b# F! @# A5 x; z
end
" m; k p0 G" }2 g3 e0 |" \0 e9 {$ m) F4 m
to setup-plot17 [4 w, q. A% j0 }
7 W' _( w m, m- I- Lset-current-plot "Trends-of-Local-reputation"# T- s' s- u2 n3 T% z4 i' x& O
# l. }( X% n, u/ }5 a0 Y! N
set-plot-x-range 0 xmax( Z+ N0 U& g) M. s: L+ m8 c/ Q
, {( @/ i; t7 v- h
set-plot-y-range 0.0 ymax
- v c; ?+ K' q; X3 W& h8 w' send
+ ^; f; M% t5 L5 c) H0 F) Y# r) X/ k5 A5 ?% c6 A* h
to setup-plot2, m2 R/ I3 \8 h, O% p% Q
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set-current-plot "Trends-of-global-reputation"
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set-plot-x-range 0 xmax2 L' Z9 ] ?5 h1 u: T: L
' q5 n6 E! O. Tset-plot-y-range 0.0 ymax9 O8 @$ t2 \( ^7 u7 r4 j5 r
end
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to setup-plot3) w. L- D3 w$ v2 c* ^! `
3 I+ U- r# r& S; `5 G0 U4 H. J
set-current-plot "Trends-of-credibility". s+ {' N' @; k6 [1 n
* @" }" X6 P4 q8 Pset-plot-x-range 0 xmax
& F4 A8 S, I2 a7 b S9 `. { E
' y. R, H; d! t# d. Wset-plot-y-range 0.0 ymax3 p3 `8 U T' N& \* B- J2 @' w* Q
end
! F8 K: m( q+ w9 x4 g8 C8 e* P' j( M9 |+ S8 N
to do-plots
+ \3 C& F6 `' {set-current-plot "Trends-of-Local-reputation"
: ~4 l& ?& n0 L, s+ ~# V& qset-current-plot-pen "Honest service"
8 z' d; \) ?5 ]& R: wend- X; c8 G4 E8 c" Z+ t& p9 r4 b
; k; B0 a5 \1 I: N: m[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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