|
|

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9 s" d3 T* V7 p4 b! @: ]# _% D
globals[0 Y7 m: C, {9 v% G
xmax+ F% F3 [7 E2 u: w5 u
ymax
5 v5 Q2 Z6 j6 i X3 Z! t" g% Uglobal-reputation-list
2 L0 e( K" g& `/ M' }
6 G$ u7 O: }& r% S' J% o;;每一个turtle的全局声誉都存在此LIST中" c; \$ S! {7 |
credibility-list/ W* K6 a" q7 D1 t0 K
;;每一个turtle的评价可信度5 Q- X# ^2 |) V: S# f
honest-service% J+ Z8 @$ b0 x: M
unhonest-service
$ w* B* A/ A/ j$ j: a1 f8 A2 z5 o. Uoscillation' l' U5 i0 G/ c
rand-dynamic8 r. \8 E W1 f( @: O
]
% T% L+ s: K- P
# g" L. A) @% J9 N) x# pturtles-own[
# R! y" z9 J. d/ t6 gtrade-record-all8 [7 |; k" P* o% Z
;;a list of lists,由trade-record-one组成# ]( r1 @+ K6 @3 P2 S, ?) y
trade-record-one, D; w5 d, ~( q' o7 O+ 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
" n1 N7 T$ r1 c1 j V, n7 j! @, m# M) @& \6 w3 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]]( S% g! j, ^& K% \8 x/ g" u0 r
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]8 S4 F# U$ m; r& j- G
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: J1 S, K5 |. v1 M4 r
neighbor-total
7 A @5 m2 h; y3 x5 B3 V;;记录该turtle的邻居节点的数目0 A7 D- x9 |/ P2 c9 P
trade-time- }( b" k/ J+ f$ x
;;当前发生交易的turtle的交易时间
5 O( C! \7 h4 `& Iappraise-give
& e' X7 R; ]0 P$ o. o0 [;;当前发生交易时给出的评价
4 d4 i! D8 S) f( ]: Z6 a, p3 q5 xappraise-receive
; b! m N# p4 e2 D J! u. l;;当前发生交易时收到的评价- E* w% w, Z2 A: E1 b2 u
appraise-time- Y7 D/ g L) w: X1 X1 R* y
;;当前发生交易时的评价时间
. ?1 k# E3 _' Qlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
4 n4 {% o. F+ p. \& X' r: `trade-times-total
5 G0 A, l( _9 }. M- `- t;;与当前turtle的交易总次数" S% l5 A5 x$ s4 x- y, C: H
trade-money-total
9 [; K, ?# H2 e7 Y;;与当前turtle的交易总金额
+ _$ t) z' D- Z- ~" ~9 J/ Slocal-reputation
' {- I% L9 m; X9 v* cglobal-reputation
5 N9 z; I4 J$ N! n: g) T. E4 Ncredibility' Y2 R* L5 L7 N# Q
;;评价可信度,每次交易后都需要更新
4 q0 g9 Z1 U( ]( Ccredibility-all
; [9 z' m/ A R E1 T;;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! P) R* h0 q3 R" \, Y' ~
( M7 x- d0 P9 a; ^; @8 S2 H! L' D;;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
4 a! d* e6 D) e$ w7 bcredibility-one0 |$ d4 i0 w3 Y d# y- @2 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% T1 M, d; \4 @. W
global-proportion
! d, k* h( j; V$ A4 Mcustomer
2 l8 W! I* \: ^7 g. Vcustomer-no
, \, T& E1 m( n9 ]' l6 Utrust-ok
! C# j, U/ Q' p% r& Y' A1 Ktrade-record-one-len;;trade-record-one的长度2 `& O$ R) [: E. [" ~! V( k, W1 ]9 k
]$ ]1 o8 Y% A% `( o3 H
5 g2 K% h0 c/ Y;;setup procedure, ]9 m/ m' u0 T$ p6 ]! I
4 J; H, Y9 r3 d
to setup1 M( V" L0 d& l s" I) j: p
- z% I: [' u, N% O+ Z+ N+ v Z9 y7 k ^; g
ca
& d0 @% W8 Y4 U' l8 P: K! a M' ?8 [& C+ f, n7 C4 Z) P5 U
initialize-settings
( l1 h! ]& W v* A$ F/ d! \
& }4 x& ~! n, ~6 d0 d' }4 Dcrt people [setup-turtles]
- i, }0 g# l" @( X% Z
! }6 T* ]1 h' [5 s5 Nreset-timer
. @( c6 q( W$ d ?6 v: r2 ] u2 k) R6 r) t2 W
poll-class1 d+ z* {3 L* q1 f$ P, N: [( @
) S; o6 J7 D5 N4 hsetup-plots
* H2 Y9 r+ h# Y2 H, h/ }7 D: E& D m4 n; o
do-plots3 b2 |5 q. g1 ~4 ^9 V
end) Y; b6 A) ~% b9 P
) ~0 n% C- U5 R' B/ ^1 R
to initialize-settings- B: O- H/ w$ G9 g# X1 g: l
0 s6 J$ ?. d: H( ^set global-reputation-list []
0 ? ^4 h/ M- F9 C! ^) w8 y. F! X2 Y
1 |# d8 B7 A8 e8 Wset credibility-list n-values people [0.5]/ p6 l1 ?- y5 {8 D/ D
; M# t I" F2 }+ G+ y' @7 dset honest-service 0
6 L4 O& ~( S, w ~) b/ [ K1 R! S
2 i8 u, L) D$ b7 I+ \' c: [7 wset unhonest-service 0; l* C( d( i# h1 [
7 i+ v" [. M: d6 P5 ?9 y1 l( Sset oscillation 0
' J+ ?# B- `7 {; ~" R
. ]8 X4 U4 `! d; t% tset rand-dynamic 05 W: T) {$ ~( J8 y( n v Q
end) ^' k$ d& Y8 ?8 Z! T5 }
% r6 K" y$ _( N0 Y7 Q; M) x5 E* h" `
to setup-turtles ! X g0 \1 [9 E4 n2 {
set shape "person"
: ]: y' u% }! _3 [setxy random-xcor random-ycor" n, [$ }8 O8 x4 o T: [5 H( \7 O
set trade-record-one []
?' L8 I2 I: Y
0 W7 U; a! j6 uset trade-record-all n-values people [(list (? + 1) 0 0)] ?2 O+ Q. I: @& S0 B0 `$ V
1 T$ J% E1 p! k) U6 _; A5 E# s: w* \
set trade-record-current []
; L3 I3 J/ [) Hset credibility-receive []9 ~& ^2 b- N$ j7 {7 T% l& n! E
set local-reputation 0.5
. T6 C; r+ q# E9 Zset neighbor-total 0. k: @9 y/ p: h J# [
set trade-times-total 0
& h, H, d# g) c; @set trade-money-total 0
0 t3 W, b# P! k0 Hset customer nobody
/ J* K9 z; I3 a4 b5 L \set credibility-all n-values people [creat-credibility]: ]. H8 y8 G7 J: Q4 z! v
set credibility n-values people [-1]! c$ F5 z3 F+ S
get-color; ^# V" e; d" q5 @; E
i$ B8 h2 s3 x; [8 [2 V; R; ]; h5 ?end* P0 `; D; }( z9 y
) l3 Z6 z+ _9 j$ O$ b6 j
to-report creat-credibility8 P9 W4 F4 E; g
report n-values people [0.5]
! {8 P5 q$ O! u* hend
7 a3 S4 ~. b# I4 k5 B' n- U. j0 D8 T/ ^1 {" B* p! {: j0 j
to setup-plots' Y$ \$ j+ U5 t5 Q' r* [0 A6 ~
7 Z8 [! b& h$ d/ n% Q2 }set xmax 30
U: t* x7 f( H; Q' d/ E6 _' v: {* ~3 H; D$ U( J0 @1 F, y9 C* m
set ymax 1.0# \0 J4 h7 F$ {. U
& j/ u8 |( X$ Y
clear-all-plots# O! `( O' L$ s# d: ]! N
8 g# k0 f: j/ z, m' K1 E4 `setup-plot1
f5 M; U) i( ?/ `7 {" N/ ^, N* {! i8 P# f5 @2 I0 Q
setup-plot2( q+ f+ v# g! ~* y5 s* T) t3 y
% N# O; r: z1 K0 |! I0 J
setup-plot3+ @1 S z4 A" X7 J H
end
: n0 t8 W- }" W7 |" P- S4 c
1 A: z- m H/ `0 `$ h& z" F" P, ~3 K5 D;;run time procedures
# w% D2 v" |* i! v2 l% |" N- X- D' }: r6 u& |3 g* A2 I2 D" y
to go" s3 h$ V3 z, B1 S/ e/ N
; ~! O; z8 Q* g; u) l3 X4 Bask turtles [do-business]+ M) y. \7 e0 l1 ]8 i& |0 I% f
end
/ n x( k/ Y& t" O9 X, s
9 d' s; v1 v. \, @' H( qto do-business # A$ b- ^+ L5 {1 \ @" d
: l1 y; d% _; k r* s) b
- W' C5 O( X( ^1 L4 o6 ~rt random 360
2 a5 M. a$ Q z4 w
/ t4 p( G/ j, x3 ?fd 1
$ W1 Q' w7 D9 k9 u/ h# O
/ k+ H& W0 ] U* A$ a% Hifelse(other turtles-here != nobody)[
; k0 J u) X7 k0 {/ {# K( S8 t% T/ L8 {1 i1 i5 I/ S
set customer one-of other turtles-here) B6 v! a, u. O: l. u3 |6 J
4 n# W6 k$ U3 V3 E* o4 F9 U
;; set [customer] of customer myself
7 L6 _5 w: H5 S$ X% R8 x' T
. W' |9 O: M4 _) l2 hset [trade-record-one] of self item (([who] of customer) - 1)
* L' n: `) V+ j3 c[trade-record-all]of self
) H T! U4 H' d9 z7 L;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self& q+ @3 Z9 p a' D
5 s, O k) R; e" K* B: O
set [trade-record-one] of customer item (([who] of self) - 1)
; X4 z% h$ [3 {7 [# W[trade-record-all]of customer
4 v; y. A& ~5 k) @, n9 ?" E
) j% v/ }$ a: U+ U: q+ ~set [trade-record-one-len] of self length [trade-record-one] of self
6 V" ~% |% g) F, J% c
* v0 M3 Y9 f) }5 N, @6 Pset trade-record-current( list (timer) (random money-upper-limit))2 B6 H$ I9 m# ]& s1 U
0 I+ K2 X+ ]# i. X
ask self [do-trust]
( h# u8 p9 _' [2 ~;;先求i对j的信任度7 e% t4 ^5 M s$ K/ p
& p0 C1 [2 x dif ([trust-ok] of self)! v5 }3 J$ @5 ?
;;根据i对j的信任度来决定是否与j进行交易[$ r! Q$ V+ Q0 U4 k4 ?
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
$ G8 r3 t, j; k1 ~1 J6 r, e" i8 g O" n' O. F' j' Y: `: Q- W
[
6 `0 ]; i4 C1 r- ^. S
0 @/ n4 t& d2 i. Gdo-trade
3 J' _5 T5 ?" l. o) u8 V0 T0 S3 F. c j* T d. _. k
update-credibility-ijl
/ m: L. l( D$ E/ Z6 V6 F6 I- B0 o7 m8 J# h7 N1 ^
update-credibility-list
" j# I$ V/ a _# A0 R, X
5 r( e Z; @/ ]0 F# O; @( E! o( y9 B" b* r+ h" L9 ^, M" [" e
update-global-reputation-list' { D- e6 L8 y6 }( u, P; t
( \, L# z: h; ~! A, G) W
poll-class
& ^: M9 G @3 ]' b8 z1 K+ D9 M% {# u9 W. i# O# G
get-color
; U r/ |* [0 d2 J I
2 `1 x2 {8 {" _9 i]]+ [% K9 f/ ]* V. P) U/ ]+ R1 ^
! o/ b" H6 A, X/ u- d1 [. _! X;;如果所得的信任度满足条件,则进行交易
# i% B' o1 N. @- C' z; r5 B# c4 b) B& r% Q: l9 b
[6 w1 d5 T' q' J, n8 i. Z
: B2 i/ j% u V; t' S
rt random 360
0 K% r. j- x B2 O1 S, Q! g2 Z" h# U- d; k) D
fd 1 K: A5 f. X# Q1 P2 Q! M; k
/ X" o$ l) V' U& K' U8 M
]% I6 M4 Z# h( D4 l
- k- @% A( f/ Q) J6 lend! g: ]4 Y ^+ N) W. i; b* n* y$ g
% \8 D) L7 c3 i; y4 O; j" u3 Sto do-trust
9 `1 y' M6 S7 G+ t$ S. ~set trust-ok False- @' {3 B" f! E$ L
W3 x/ u! s; x! j" G) j/ f. M8 ]7 Y4 x% g3 J
let max-trade-times 06 g2 k3 O3 h* \4 }5 N! }
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]0 g& e% K4 w( t
let max-trade-money 02 x7 A% ~0 ^$ z8 P) t" F
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) `" a* [- _; y& G' n- s
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
1 g! o; r6 |6 m
3 X3 m' A, o$ b' B O1 v
, E/ P( @- r6 e& C+ h4 Oget-global-proportion4 V, N7 k! w/ U+ s- A$ o# A
let trust-value
) k" }) g H& e7 N3 H2 u7 jlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
1 i& f6 W+ T7 W& R) A# n! Sif(trust-value > trade-trust-value)! M3 g5 V* R# s
[set trust-ok true]% V3 {% n, w! E
end7 }5 W# t3 e. t
- y6 W) s; G/ o7 o% ]: x6 ?to get-global-proportion
3 _5 q9 K6 v! i! g1 A% h! \: lifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)7 a- ]' I. K1 D
[set global-proportion 0]. U( p1 i" T3 l$ b' t9 M8 S! B3 i
[let i 08 d8 u6 A8 {0 W8 o, T
let sum-money 09 u A, |% v3 G! f$ z
while[ i < people]* ]+ Z j: _! `
[
/ ^" ~% f( [$ Q- O9 Bif( length (item i
9 r7 d; d1 X) Y& s' m/ ~4 X[trade-record-all] of customer) > 3 )% n g# R5 X! s' F/ f9 s
[- a+ `4 ~* O" V/ s) ]3 B9 N! j; k% z
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))7 K5 N5 ^4 v5 @: B# Y5 U
]2 K" |. k, q7 V' S- D9 T
]
8 [5 Z t9 ~5 |" P9 `0 H6 Tlet j 0' W0 o- I4 c, J. ?
let note 0
) s, u: v* w, w( Y- Ewhile[ j < people]
4 v6 b) h& T' E+ y, ~[& Y. _6 ~- Q# b: ?
if( length (item i% o2 d7 H. l6 [4 g
[trade-record-all] of customer) > 3 )
, K2 G5 v. s5 F( W[" z& [8 i/ u9 ?( A* x; F
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
$ W, d3 w4 Z/ w( A, L# {3 B[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]" {. w; ^2 q7 S) W! |1 z
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
7 r, X" m. k) F& F]
7 D; G [/ i* {]
* y/ s0 f* S" n6 R8 Q' yset global-proportion note
9 z* V& H- j' H; \- s) `]
5 d) ? L1 |% j+ |, g8 d* ]end
% D/ W X' f X
1 i/ L1 N7 \) y; }2 X2 L$ ^, r* tto do-trade4 H+ N( c' m' }9 j/ q1 a9 z
;;这个过程实际上是给双方作出评价的过程
' p- w% G {% M9 J9 tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价8 J6 t" b* T- ]/ _
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价# W" a4 M6 Y9 i' J; }4 S
set trade-record-current lput(timer) trade-record-current' T" m8 E: \+ d8 a) b$ d$ o2 h. I
;;评价时间
1 _1 w6 r' r P$ _/ b( L' a/ {ask myself [$ @4 Z. a/ L4 `5 z% T
update-local-reputation
6 O; r6 s0 r) y& }. r. Z# t- S, iset trade-record-current lput([local-reputation] of myself) trade-record-current
$ ?+ m' B7 i* \% f* \# f]
' F; r0 ]# f9 `set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
5 `- U8 x) Q( A+ b! C' V( v;;将此次交易的记录加入到trade-record-one中
6 I# q0 L3 e+ y( j- _9 {set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)' X8 G; o$ E( k8 S6 C( D
let note (item 2 trade-record-current )
% q5 j1 w; g+ r2 Lset trade-record-current5 c/ c0 g1 ^6 J* j
(replace-item 2 trade-record-current (item 3 trade-record-current))3 p4 ~) Z" g# B, _9 A' Y# j5 f5 n4 _; H
set trade-record-current: S& R5 `5 o5 Q/ g# s; s! I$ X2 i
(replace-item 3 trade-record-current note)9 w" A6 t) i* K; D
1 [ P1 M3 A/ m2 m
% X6 Q# m1 A% }2 X D. Q# |ask customer [
: J) \ W2 _) yupdate-local-reputation3 ?- z8 s: _* j6 Y6 h) d
set trade-record-current
8 s, @ J% F2 I8 F! f+ \8 [(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
# S0 i! q! ~2 O$ x! A4 p]
/ z9 v4 c! h& @6 _( t. h0 h L" N
/ w1 `8 Y% [7 T& Tset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
' P' U; a0 B) B4 o8 f
$ }/ x! h5 m5 _+ ~9 \/ Bset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))& r g1 e* o/ U
;;将此次交易的记录加入到customer的trade-record-all中
$ i, r% _' \$ {3 fend
' s6 y! x' I& \+ S" L) q3 V. \9 T" b# I7 f
to update-local-reputation8 l0 F* `: N3 F" Y ~! D' t9 W
set [trade-record-one-len] of myself length [trade-record-one] of myself4 y, B- ?; S! M! J" L6 k
' m9 Y& @1 H% S) _2 f% Q& x M/ {7 c
7 E% k1 h' y3 ?& p;;if [trade-record-one-len] of myself > 3
4 N3 ~$ J- p" V& B# Lupdate-neighbor-total
2 H1 `' ~% g- y0 |$ o1 e+ u9 D;;更新邻居节点的数目,在此进行, O0 g' ]1 n7 S/ \7 P2 R# E
let i 3
8 T+ V" |& T! E; |' N# Xlet sum-time 0. C* d1 W R2 C: _' o& c U. `! Q4 T
while[i < [trade-record-one-len] of myself]! N ^ K6 r$ d7 t+ O$ G
[0 ?+ i/ u: m0 `4 j; p, @2 q. Z
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )0 y* L c5 H6 }. x. ^6 A; M6 Z
set i
. R% e' T2 G1 l; H( i + 1)
6 r- [. f) z; d( Q]
- c$ x- {7 A6 b- h6 I( }let j 3. z2 z8 a; K5 a$ o# _- n% ]% X
let sum-money 0
4 J% k- U& x! `2 H7 i; R5 E% }" kwhile[j < [trade-record-one-len] of myself]- ^: r1 o) n6 ?/ N2 M1 `
[
! b/ W- F1 ~, eset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)+ D5 J. H4 I7 v9 c/ w3 n4 M6 _
set j* }8 v: {# o: t1 r- p* }6 g
( j + 1)
8 q( H% z9 X, l# z P% ?9 j]/ L& y2 u, W9 T5 X
let k 34 M. c2 L2 s! c, S& B
let power 01 A2 q+ e7 o9 O+ T1 p; j
let local 0
6 M9 |" O# M2 zwhile [k <[trade-record-one-len] of myself]2 p. I9 H0 C* a. X5 Q3 o8 y
[* R1 U/ P; P( a; B6 I# ]/ Q8 `" |
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) ' y* R2 \, U# n
set k (k + 1)
7 J) K' A% E7 u]6 x* t" d: b# O' g' m, ]/ y9 ?, P
set [local-reputation] of myself (local)9 V) |2 s7 J" `
end
; y. l$ \( o8 y$ Z( n) s4 r/ z: c* S3 Y+ W- U/ `1 \' N+ O- `/ L
to update-neighbor-total% `" a% c- Y$ t8 }
( j" H( B5 P; @
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" ^: y/ e" \, b5 V+ l9 U
2 U }! u% O+ s4 o( b
6 I% h8 u; d; A% Y& I/ R% t
end
2 N% V2 ^1 J. k6 B! @
' L! ^7 v$ q: H) Nto update-credibility-ijl p4 h+ x6 ]: d, s8 [! b
" p' o- p U+ U! u" d3 J; K;;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。+ u4 l, W) l" R: _. E. x5 j' `
let l 0
; }# o& R$ x; ]+ }- g# fwhile[ l < people ]
& h* q9 ?9 ]8 W! N3 Q. g$ X;;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
( y& f& L# s7 h[
; S% {+ d7 {0 w" xlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)! T9 ?% g0 v- A) A$ p. ^
if (trade-record-one-j-l-len > 3)/ W! Z% ]+ W3 i1 v. Z" N* v
[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. e' g. o: L/ X; P$ Q
let i 3
3 ^3 w$ t0 P$ W! d6 O+ T3 ]let sum-time 0
! e* w" W5 @4 h( ^9 Z1 Fwhile[i < trade-record-one-len]; V; N1 L+ i3 o7 C8 ]- P2 y
[, f7 P6 P& E0 N+ x8 _: q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
! {9 l' T4 ~6 q% \" jset i
% h: q: d6 c" g8 F! w4 T f- T. U( i + 1)( O# l" D, Z1 p0 P, g# q
]2 F( r6 R# k9 Z% K9 a* u7 n1 i
let credibility-i-j-l 0. D7 N. o% b6 [& U. \
;;i评价(j对jl的评价)
: X1 {( T7 `+ O. I" [, elet j 34 A& U T' T; u4 @
let k 4
& x# z. I: h* Z4 k0 w6 R4 \while[j < trade-record-one-len]' e9 l" S E3 |1 X
[
4 k9 ^: X N5 ^4 I$ ywhile [((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 C, o& ]! S& ~$ {4 J5 a
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)
* r5 a1 V$ [8 ] Q8 \( L0 o5 @/ M! Zset j9 J( C+ `0 g9 B( `% \. S* A: F6 ~. @- _
( j + 1)/ [" n" I3 U0 q) s" W- j& |8 N
]! W6 M" _$ R: C: B5 h. T" j# c( }* @5 z. P
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 ))( `' I- u1 U% ?& w1 I! e! w( D
7 F) D- {5 i$ d
6 ~7 X9 S+ ]6 L0 q" _
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))7 W4 N& X8 `6 D3 B( m* w9 z5 c( {# M6 T
;;及时更新i对l的评价质量的评价; c8 t1 E' h, X: c8 o4 U$ v
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]9 e N- }3 \. |( ?8 k4 B
set l (l + 1)4 A) q: ], |& B7 y/ e3 B
]) n+ ~9 t$ n# K* i& |6 Y! I
end; L% ^/ l9 E8 Z
7 f* `% Z2 V, M" y( T% x* H" O
to update-credibility-list
' N7 \# G2 N% p, g1 {( c* i x! H* Clet i 0- Z: W+ B5 j' _$ ?
while[i < people] [5 N' K% M# ]# Z
[
. y: b z: p! Y& t# z! ^! glet j 0
. b$ H$ C. K) i. Q! glet note 01 [( j4 j, C: G% ^: X
let k 0 N% u3 F9 M2 C$ {% {2 Y: q* v
;;计作出过评价的邻居节点的数目- K9 e$ e- {7 V3 T8 D
while[j < people]
+ \! D; R9 v, J$ P) P[
) S9 h1 h7 a( O# t0 iif (item j( [credibility] of turtle (i + 1)) != -1)$ c. c ^5 C8 `& Y2 u) k0 u9 r
;;判断是否给本turtle的评价质量做出过评价的节点
1 ?9 I. [ C# R" A" k[set note (note + item j ([credibility]of turtle (i + 1)))3 q; q2 \6 W: y3 Z( o+ W: S
;;*(exp (-(people - 2)))/(people - 2))]
1 q* ~' y: t9 wset k (k + 1)& f8 R# d3 y1 c5 t9 z/ q
]( O, q7 x5 P, R- U4 [" W, E( ?
set j (j + 1). S8 l$ ^7 r0 t d: {6 p
]7 W( j1 h! h/ T, Q6 B% h
set note (note *(exp (- (1 / k)))/ k)
0 V8 d' E! u8 I' f* D0 T! }$ ?set credibility-list (replace-item i credibility-list note)" F& n4 c( X, S) m% D) T
set i (i + 1)! m2 j0 g9 I7 l8 a, o' c
]
# w) r' Z7 v! L ~& j$ eend
0 C2 s% r( [ S5 S1 U
4 z. G, |" v: @7 @: X/ g* c' Jto update-global-reputation-list- Q. v& ^' w7 V! W: @
let j 0
+ a7 p- A! G. o8 n, [! e7 Awhile[j < people]
+ H% I4 a" O7 g& g[
" d, V' p5 \$ x. Y( w7 u2 alet new 0
" \5 @9 c5 g+ f, R4 R;;暂存新的一个全局声誉; K9 Q7 H* W1 l" {
let i 0
- {2 W( u8 Q1 ~( ^$ w& Jlet sum-money 0; e; v. V0 X7 L; h6 ]% p
let credibility-money 08 P+ P& G9 @0 }" M1 z0 b
while [i < people] H( [) c$ C& R0 L+ l& N
[
$ I$ z0 @+ W& g5 H* r( Cset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! o: V z9 x6 O! U8 l! B( c
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))9 T* s& R/ f. O" n% }9 M) ^
set i (i + 1) _: ]8 L0 o' g' b8 y# U8 `
]4 @) O ^4 Y. z& g
let k 0
3 i9 V. ]* n+ B: b3 q) p: e8 blet new1 0
( z/ k" C ]' r6 V' l' p5 Wwhile [k < people]
' f+ H' S( w/ j" u[
$ Y7 s# T x9 o$ C& i- H3 Rset 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)
p6 O1 ^0 {& x5 e9 lset k (k + 1)1 w6 L8 P7 m9 b, O4 f
]
8 j# q6 |; q% {; V' Bset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) + |; G) U, d! S C
set global-reputation-list (replace-item j global-reputation-list new)
7 J/ G& P" d1 T7 pset j (j + 1)
+ Z3 s: Z0 o$ m9 y! A" F]$ U8 h9 s( ]7 i6 q0 t
end
6 R: b& y+ B+ c: S: ^8 ]& ~" T" Y* \. R. a8 }
4 n% B3 `- R7 u- E E
* `" I4 u2 P: a; A ?1 }to get-color
! c S2 I4 U# Q# [' U$ b! H! p o/ S+ O& I' z
set color blue
2 H' C. \% [ ~- V Hend* {) {5 x2 @& Z' X6 d) G* O
7 f' E r" t* c
to poll-class
9 b s" J. p( u! ?, ]6 @end
Z7 z& d0 [: R- ?8 c
0 @* K- k' u3 Z8 l" O0 B) Ito setup-plot1' l% W$ b, O# g
; D" j2 K; k! k: X! _set-current-plot "Trends-of-Local-reputation"
4 h$ y/ X- b- e
! \+ i! `- ?( Q* W- Tset-plot-x-range 0 xmax
& U" ^7 Z2 \' y9 A& t
$ C! N7 c5 |" t+ c! yset-plot-y-range 0.0 ymax
. v9 o. o3 y: E6 Uend
+ w! _- A7 j6 }$ `* u
i% w1 R$ J/ L! W1 r- _to setup-plot25 O2 a7 B) X5 ]1 E/ o
+ p, s G& E" ] Vset-current-plot "Trends-of-global-reputation"$ o, C4 f3 c( v
) i0 v" O$ u- T6 h9 M. g7 vset-plot-x-range 0 xmax
$ Z/ M" Z8 r U7 Y1 N1 r6 W {, o3 h3 P
set-plot-y-range 0.0 ymax' w" V* X8 [0 g- F$ i$ G+ U
end* c4 C6 G. m7 D7 h4 t q5 u+ ^
! `8 V8 F$ R1 f ?
to setup-plot3
# Y# s' v% R- ~' N- R# Q5 ^. `, _, H0 C0 M5 @' B, N1 m7 K' _- b0 E
set-current-plot "Trends-of-credibility"2 I7 j1 S$ y. S! K
) P" ]' H1 f! H& t4 v, a
set-plot-x-range 0 xmax% g, A/ _: |( U3 d9 r( k
. Q, I/ H7 X! ^9 x$ H2 g3 w- ~* Tset-plot-y-range 0.0 ymax; ?8 @' @2 E5 @1 y. S
end' F6 Q: H3 ?3 T/ w( ~/ P: G
, t9 \% C) X1 D
to do-plots
! g2 ]) c2 e" Z6 lset-current-plot "Trends-of-Local-reputation"
. m. J4 F4 i8 z8 Hset-current-plot-pen "Honest service"
& R% E1 {4 {9 K9 b send
p4 W0 m0 r. I' q3 S2 e. x2 o! q$ O7 M8 f1 {% p+ o
[ 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
|